established · 2.6 capability schema

OpenAPI

Score 29.9 / 100 184 providers 285 APIs Search apis.io →
Variants seen in the corpus: Open APIOpenAPIOpenApiOpenapiopenapi

Providers using this tag (184)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 10 Complete, well-documented, and agent-ready
Xquiksocial-media-dataX / TwitterSocial ListeningData Extraction3 APIs92.3OpenMercantilBDNSBORMEBusiness RegistryCIF18 APIs87.9Elation HealthHealthcareUnited StatesEHREMR32 APIs84.1APIs.ioAPI AggregationAPI DirectoryAPI DiscoveryAPI Indexing11 APIs76.1Zoho CRMCRMSalesMarketing AutomationLead Management106 APIs74.1InfobipTelecommunicationsCroatiaCPaaSMessaging47 APIs71.0Cvent Event CloudAttendee HubAttendeesBulkContacts42 APIs69.6MatomoAnalyticsWeb AnalyticsOpen-SourcePrivacy61 APIs67.3Adobe WorkfrontCompanyWork ManagementProject ManagementMarketing Operations5 APIs66.6Tvarka ATK APIAuthenticationDigital SignatureeIDASQES9 APIs66.6
Strong 20 Solid coverage with minor gaps
Autoderm – AI Dermatology APIdermatology-apiai-dermatologyMedical ImagingTelemedicine4 APIs66.2StayingAPITravelHospitalityaccommodation-datahotel-api5 APIs65.6PostmanAI Agent BuilderAI AgentsAPI CatalogAPI Client39 APIs64.5BloombergAnalyticsBusiness IntelligenceData LicenseEnterprise5 APIs63.8EDF EnergyEnergyUnited KingdomUtilitiesElectricity3 APIs62.9AirOpsCompanyApplicationArtificial IntelligenceContent1 API61.9Act! CRMCRMMarketing AutomationContact ManagementSales1 API61.5CongaCompanyEnterprise SoftwareContract Lifecycle ManagementCPQ3 APIs61.5ClayProspectingGo-To-MarketSalesEnrichment8 APIs61.3CriteoAdvertisingAgent SkillsAnalyticsAudiences4 APIs59.0Atmospore Pollen ForecastsWeatherPollenAllergyEnvironmental Data5 APIs58.9PhotonHealthcareUnited Statese-PrescribingPharmacy3 APIs58.8ETSITelecommunicationsFranceStandardsStandards Body24 APIs58.4ReachdeskCorporate GiftingDirect MailSwagB2B2 APIs58.1Swagger CodegenClient LibrariesCode GenerationOpen-Source5 APIs58.1ZuploAI GatewayAPI ManagementGatewaysPlatform13 APIs58.1Observe.AICompanyAi AppsContact CenterConversation Intelligence1 API56.6AmunCoreDatabaseAPI ManagementBackendNo-Code1 API56.5TreblleAnalyticsArtificial IntelligenceDeveloper ExperienceDocumentation15 APIs55.1EventXCompanyEvent ManagementEvent RegistrationTicketing1 API54.5
Developing 40 Usable, with meaningful gaps to close
IBM WebSphereApplication ServerCloud-NativeEnterprise JavaJ2EE35 APIs54.2MagniteAdvertisingProgrammatic AdvertisingSell-Side PlatformSSP1 API53.1DreamThreadsdream analysisdream interpretationNatural Language Processingstructured parsing1 API53.0OnshapeCompanyCADPLMProduct Data Management42 APIs52.9SweepCompanyCloudSalesforceRevenue Operations2 APIs52.9NetcrackerTelecommunicationsUnited StatesBSSOSS4 APIs52.8StotlesCompanyProcurementPublic SectorGovernment2 APIs52.8Microsoft Power Platform APIsBusiness ApplicationsCopilot StudioDataverseLow-Code9 APIs52.7RittenCompanyBehavioral HealthEMREHR1 API52.2MuleSoftAPI GatewayAPI ManagementEnterpriseIntegration8 APIs51.9NetBox LabsCompanyNetworkingDCIMIPAM13 APIs51.9JenticAI AgentsArazzoMCP8 APIs51.8APIMaticAPI TransformationCode GenerationDeveloper ExperienceDocumentation6 APIs51.6SpeakeasyArtificial IntelligenceDocumentationMCPPlatform20 APIs51.0WindmillAutomationInternal ToolsOpen-SourcePro-Code-API-Composition59 APIs50.6Citrix NetScalerAPI GatewayApplication Delivery ControllerApplication SecurityLoad Balancing9 APIs48.6OpalCompanyConsumerMarketingContent Planning3 APIs48.6SwaggerHubAPI DesignAPI ManagementAPI RegistryDocumentation9 APIs48.4BlngCompanyJewelryGenerative AIDesign3 APIs48.3Dream SportsCompanySports TechnologyFantasy SportsOpen-Source62 APIs48.2VMwareCloud ComputingContainer ManagementHybrid CloudInfrastructure59 APIs47.7AGNTCYAI AgentsInteroperabilitySpecificationOpen-Source5 APIs47.6LimitlessArtificial IntelligenceWearablePendantMeeting Notes7 APIs47.4Bump.shAPI ChangelogAPI DocumentationAPI HubAPI Governance8 APIs47.3Vehicles.devAutomotiveVehicle DataVIN DecodingVehicle Valuation10 APIs47.23GPPTelecommunicationsGlobalStandardsStandards Body117 APIs46.4QR Code CrafterQR CodeQR Code GenerationStatic QrDynamic QR1 API46.4TwentyCRMOpen-SourceRESTGraphQL9 APIs45.9BTC War Live Market Data APIFinanceCryptocurrencyMarket DataBitcoin1 API45.8Hey APICode GenerationDeveloper ToolsSDK7 APIs45.7ClerkAuthenticationUser ManagementIdentityPasskeys24 APIs45.1Harvard UniversityUniversityHigher EducationEducationUnited States14 APIs44.4Adsmom Inc.CompanyAdvertisingAd IntelligenceCompetitive Intelligence2 APIs43.8BomboraIntent DataB2B IntentCompany SurgeAccount Based Marketing7 APIs43.6ZallyAPI DesignAPI LintingAPI QualityOpen-Source3 APIs42.1ScalarAPI ClientAPI DocumentationAPI ReferencesCode Generation30 APIs40.3FintaryCompanyFintechInsuranceInsurtech2 APIs40.2KagiSearchPremium SearchAI SearchSummarization6 APIs39.8OpenAPI GeneratorCode GenerationDocumentationOpen-Source2 APIs39.6AmbassadorAPI DevelopmentGatewaysIngressKubernetes11 APIs39.3
Thin 59 Limited public surface area
Microsoft Power AppsApp DevelopmentBusiness ApplicationsCloud PlatformLow-Code7 APIs39.1RedoclyArtificial IntelligenceAPI CatalogAPI DocumentationArazzo8 APIs38.9MosaicResource ManagementWorkforce PlanningProject ManagementAEC6 APIs38.8KiotaCode GenerationMicrosoftSDK1 API38.5Rugspull Read APIBNB Smart ChainBSCwbnbRead Only1 API38.4XanoNo-CodeBackend-as-a-ServiceAPI BuilderDatabase7 APIs38.2CyberArkAuthenticationCloud SecurityConjurCredential Vault10 APIs37.8KubescapeKubernetes SecurityCloud Native SecurityContainer SecurityDevSecOps7 APIs37.8ReadMe.ioCompanyDocumentationAPI DocumentationDeveloper Experience3 APIs37.2PurplebricksReal-EstateUnited KingdomProperty ListingsOnline Estate Agency13 APIs36.9RestateDurable ExecutionWorkflowsMicroservicesOrchestration9 APIs36.9WAODAOAI AgentsArtChainHuman and AINFT Metadata4 APIs36.8SpeakeasyAPI LifecycleSDK GenerationClient LibraryAPI Design13 APIs36.3DatabookCompanyVertical SoftwareSales IntelligenceAccount Intelligence1 API36.0FernAgent ReadyArtificial IntelligenceAPI DefinitionsAsyncAPI1 API36.0TrieveSearchRAGVector SearchHybrid Search21 APIs35.5Open Charge MapElectric VehiclesEV ChargingCharging StationsPoints of Interest9 APIs35.4Rocket LawyerLegalLegal TechnologyLegal TechLegal Documents8 APIs35.4StoplightAPI DesignAPI DocumentationAPI GovernanceAsyncAPI6 APIs35.3University of California, BerkeleyUniversityHigher EducationEducationPublic Research University8 APIs35.0Politecnico di TorinoEducationHigher EducationUniversityItaly17 APIs34.7DoctaveDocumentationPlatformPortal4 APIs34.6An API of Ice and FireGame of ThronesASOIAFA Song of Ice and FireBooks3 APIs34.5DeveloperHubAPI ReferenceDeveloper PortalsDocumentationKnowledge Base7 APIs34.4NASA EarthdataEarth ObservationSatellite DataClimate DataRemote Sensing7 APIs34.4Manage OpenAPI via GitHub DemoAPIs.jsonDemoGitHub2 APIs34.1Refitter.NETC#Code Generation2 APIs34.1PatchClimateCarbon CreditsCarbon RemovalOffsets4 APIs34.0SnykSecurityDevSecOpsVulnerability ManagementApplication Security48 APIs33.8Inductive AutomationSCADAHMIManufacturingIIoT88 APIs33.7YieldmoAdvertisingProgrammaticNative AdvertisingAd Exchange5 APIs33.6KareoHealthcareMedical SoftwareEHRPractice Management8 APIs33.4Test ScriptsAutomationCI/CDContract TestingQuality Assurance11 APIs33.4FilecoinDecentralized StorageWeb3IPFSBlockchain6 APIs33.2OgenCode GenerationGoSDK1 API33.1what3wordsGeocodingAddressingLocationThree Word Address20 APIs33.0API-FiddleAPI DesignCollaborationDocumentation5 APIs32.9LAPISSpecificationLLMAI Agents1 API32.5LayerZeroBlockchainCross-ChainOmnichainInteroperability5 APIs31.7OrvalCode GenerationSwaggerSDK1 API31.6Vert.xEvent-DrivenFrameworksJavaJVM7 APIs31.4APIs.guruAPI CatalogAPI DirectoryAPI DiscoveryCommunity1 API31.3ApicurioApache LicenseAPI DesignAPI RegistryAvro23 APIs30.5Oapi-CodegenCode GenerationDeveloper ToolsGo1 API30.4RapiDocDocumentationPlatformWeb Components1 API30.3Microsoft .NET.NETASP.NET CoreAzure SDKCross-Platform2 APIs29.7Serbia Company DataSerbiaCompany DataBusiness RegistryOpen Data2 APIs29.5Morgan StanleyFinancialInvestment BankingWealth ManagementBrokerage6 APIs29.3AutoRestCode GenerationMicrosoftSDK Generation6 APIs29.0Stoplight ElementsAPI DocumentationDeveloper ToolsDocumentationInteractive Docs2 APIs28.9LiblabSDKSDK GenerationCode Generation4 APIs28.8OWASP ZAPSecurity TestingApplication SecurityVulnerability ScanningTesting49 APIs27.742CrunchAPI SecurityPlatformScanningSecurity6 APIs27.3ScalarAPI DocumentationAPI ClientOpen-SourceDeveloper Tools8 APIs27.2SourcegraphCode IntelligenceCode SearchCodyAMP10 APIs27.1Pennsylvania State UniversityEducationHigher EducationUniversityResearch7 APIs27.0QuarkusCloud-NativeFrameworksGraalVMJava5 APIs26.9Test FirstBehavior-Driven DevelopmentBest PracticesMethodologySoftware Design5 APIs26.6CAMARA ProjectAPI StandardsCAMARAGSMAGSMA Open Gateway30 APIs26.3
Emerging 49 Early or largely undocumented
ReDocAPI DocumentationDeveloper ToolsDocumentation1 API25.3Agent ReadinessAgent ReadinessAI AgentsAPI DiscoveryAPI Governance15 APIs25.0FernAPI LifecycleSDK GenerationClient LibraryAPI Documentation5 APIs24.6HelidonCloud-NativeFrameworksJavaMicroProfile4 APIs24.6OpenAPI TypeScript CodegenCode GenerationSwaggerSDK1 API24.0NSwag.NETASP.NET CoreC#Code Generation1 API23.5StainlessSDK GenerationAPI ToolingDeveloper Experience6 APIs23.5TypeSpecAPI DesignCode GenerationProtocol Buffers6 APIs23.3Nexon IncCompanyConsumerGamingVideo Games1 API22.6SchemathesisAPI TestingContract TestingFuzzing1 API22.2ISO 20022Financial MessagingPaymentsSecuritiesBanking4 APIs22.1Hanyang UniversityEducationHigher EducationUniversitySouth Korea2 APIs22.0ChainguardCloud-NativeContainer ImagesContainersDevSecOps6 APIs21.8FlotiqGraphQLHeadless CMSContent ManagementREST1 API21.1NMFTAAPI StandardsDSDCDigital FTL CouncilDigital LTL Council6 APIs20.5Versioning ProtocolsAPI DesignBackward CompatibilitySoftware DevelopmentVersion Control5 APIs20.2API Style GuidesAPI Style GuidesAPI DesignAPI GovernanceREST11 APIs20.0FastAPIAsyncHigh PerformancePydantic1 API20.0FastMCPMCPPythonFrameworkOpen-Source6 APIs19.7SpectralAPI DesignAPI LintingAPI Style GuideAsyncAPI1 API19.2VacuumAPI DesignDocumentationLinting1 API19.0SpecLynxAPI DesignAsyncAPIDeveloper ToolsJSON-Schema6 APIs18.8ApiNotesAPI ReferenceDeveloper PortalDocumentationInteractive1 API18.3CrowCompanyArtificial IntelligenceAI AgentsMCP1 API18.3SwaggerAPI DesignDocumentationOpen-Source5 APIs18.2Test SpecificationsAcceptance TestingContract TestingDocumentation8 APIs18.1ParadoxConversational AIRecruiting AutomationHigh-Volume HiringChatbots10 APIs18.0CoupangCancellationsE-CommerceKoreaMarketplace1 API17.5RESTAPI DesignArchitectureHTTPREST4 APIs17.0TemplatesTemplatesAPI DesignCode GenerationDocumentation6 APIs17.0Loa Healthcare Pricing APIHealthcarePrice Transparencymedical pricingHospitals5 APIs16.7OpenAPIDocumentationRESTSpecification1 API16.5KonfigSDK GenerationClient LibraryAPI DocumentationDeveloper Tools5 APIs16.1ConnexionAPI DesignASGIDesign-FirstFlask2 APIs15.8API SpecificationsAPI SpecificationSpecification LanguagesAPI DesignContracts13 APIs15.4DapperDoxAPI ReferenceDocumentationDeveloper ToolsOpen-Source1 API15.3API LintingAPI DesignAPI GovernanceAPI LintingAPI Style Guide10 APIs14.4OpenJS FoundationJavaScriptLinux FoundationNode.jsWeb6 APIs13.7KonfigAPI DocumentationCLIDeveloper Tools1 API13.2JargonAPI DesignData ModellingDomain-Driven DesignDomains1 API12.8MediaCaption APIYouTubeTranscriptionCaptionsSubtitles1 API12.6RoxyAPIAstrologyVedic Astrologynumerologytarot1 API12.6JD TechnologyCompanyTechnologyCloudCloud Computing1 API12.4OpticAPI GovernanceBreaking ChangesContract TestingDiff1 API11.8PortmanContract TestingPostmanTesting1 API11.8DreddContract TestingAPI TestingAPI Blueprint1 API11.4Catena-XAPI StandardsAsset Administration ShellAutomotiveCatena-X11.2Python Standard Library and PopularFrameworksLibrariesProgramming LanguagePython8 APIs11.2API InsightsAI ReadinessAnalysisAnalyticsAPI Design1 API11.1
Minimal 6 Almost no public developer surface
OasdiffBreaking ChangesChangelogsDeprecation1 API9.3CenturyLink (Lumen Technologies)BroadbandConnectivityEdgeFiber5 APIs8.9RESTful APIsArchitectureHTTPRESTWeb Services8.9Adanos Market Sentiment APIMarketSentimentStocksCrypto1 API7.3island.is (Digital Iceland)Digital GovernmentGraphQLX-Road2 APIs7.2MyriadCompanyFinancial-ServicesFintechPayments0.1

APIs with this tag (285)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 6 Complete, well-documented, and agent-ready
Xquik REST APIOpenAPI 3.1 REST API for public X data, connected-account write actions, monitoring, signed webhooks, expor...92.3Elation Health API (Full v2.0)The complete, provider-published OpenAPI 3.1.0 description of the Elation Health API v2.0 - 201 paths and 4...84.1Infobip OpenAPI Specification APIOpenAPI is an industry-standard specification for defining REST APIs. It allows you to generate client libr...71.0Matomo ApiReference APIThe Matomo ApiReference API exposes 3 operations of the Matomo Reporting API (module `ApiReference`). Reads...67.3Adobe Workfront Planning API v1Version 1 of the Workfront Planning API, published by Adobe as an OpenAPI 3.0.1 document covering records, ...66.6Adobe Workfront Planning API v2The Workfront Planning (Maestro) API — workspaces, record types, records, fields, views and permissions — p...66.6
Strong 11 Solid coverage with minor gaps
StayingAPI Agent SkillsPublished portable SKILL.md agent skill in the stayingapi/travel-skills GitHub repo, referenced from the SD...65.6StayingAPI MCP ServerHosted MCP server (Streamable HTTP, OAuth 2.1/PKCE) exposing 7 read-only tools mapping 1:1 to the REST endp...65.6Bloomberg BLPAPI CoreThe Bloomberg Open API (BLPAPI) Core — the foundational service-oriented, socket-based API used by the Desk...63.8EDF Kraken Customer Migration (Data Import) APIA second, separately published first-party OpenAPI 3.0.3 document describing the Kraken customer-migration ...62.9EDF Kraken REST APIThe REST half of EDF's Kraken platform API, described by a first-party OpenAPI 3.0.3 document that EDF serv...62.9Act! Web APIJSON-based REST API for the Act! CRM database exposing contacts, companies, groups, opportunities, tasks, a...61.5Clay Public APIClay's REST API for programmatic access to the GTM platform — search Clay's proprietary database of compani...61.3Photon Website APIPhoton's public website API, covering the onboarding funnel and newsletter signup: create or resume an onbo...58.8Zuplo Openapi APIThe Openapi API from Zuplo — 1 operation(s) for openapi.58.1Treblle API DocumentationTreblle API Documentation automatically generates real-time API documentation from live API traffic and SDK...55.1Treblle API InsightsTreblle API Insights is a free governance tool that evaluates OpenAPI specifications, providing scores from...55.1
Developing 149 Usable, with meaningful gaps to close
IBM WebSphere OpenAPI APIMicroProfile OpenAPI documentation endpoints54.2SpringServe UI APIThe SpringServe ad server REST API — the machine-readable core of Magnite Streaming. Two versions run concu...53.1DreamGraph APIREST API for dream text parsing and interpretation. Includes a keyless public parser and liveness endpoint,...53.0Onshape OpenApi APIGet the OpenAPI specification for the Onshape API.52.9Stotles Public APIREST API giving programmatic access to UK and Ireland public sector procurement data — notices, buyers, sup...52.8Power Platform Connectors APIAPI for custom and certified connectors that extend Power Platform capabilities across Power Apps, Power Au...52.7MuleSoft Anypoint Design Center APIThe Anypoint Design Center API provides access to the MuleSoft web-based API design environment for creatin...51.9Arazzo EngineOpen-source Python engine that executes Arazzo workflow specifications alongside OpenAPI operation definiti...51.8APIMatic API Transformer APIAPIMatic API Transformer converts API definition files between more than 15 supported API specification for...51.6Speakeasy Contract TestingAPI contract test generation using OpenAPI specs and the Arazzo specification. Generates both test code and...51.0Speakeasy DocsMDGenerate beautiful API documentation from OpenAPI specs. Automatic synchronization keeps docs current with ...51.0Speakeasy MCP Server GenerationGenerate production-ready MCP server code from OpenAPI specifications. Deploy on your own infrastructure, c...51.0Speakeasy SDK GenerationGenerate idiomatic, type-safe SDKs in 7+ languages from OpenAPI specs. Supports TypeScript, Python, Go, Jav...51.0Speakeasy Terraform GenerationTurn your OpenAPI spec into a production-ready Terraform provider without the manual work. Automatically ke...51.0Windmill openapi APIThe openapi API from Windmill — 2 operation(s) for openapi.50.6NetScaler Next-Gen APINetScaler Next-Gen API is a modern declarative RESTful API built on the OpenAPI 3.0 specification that allo...48.6Dream Sports Openapi APIThe Openapi API from Dream Sports — 1 operation(s) for openapi.48.2VMware Cloud Director OpenAPIModern RESTful API for VMware Cloud Director defined using OpenAPI standards providing cloud service delive...47.7Agent Connect Protocol (ACP)A standard REST interface for invoking and configuring remote agents: agent discovery and descriptors, stat...47.63GPP Forge APIThe 3GPP Forge (forge.3gpp.org) is a self-managed GitLab instance where 3GPP publishes the machine-readable...46.43GPP TS 28.104 Mda Nrm APIOAS 3.0.1 specification of the MDA NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the...46.43GPP TS 28.104 Mda Report APIOAS 3.0.1 specification of the MDA Report. An OpenAPI 3.0.1 data-model-only document (no paths; it defines ...46.43GPP TS 28.105 Ai Ml Nrm APIOAS 3.0.1 specification of the AI/ML NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines t...46.43GPP TS 28.111 Fault Notifications APIOAS 3.0.1 definition of the Fault Supervision MnS. An OpenAPI 3.0.1 document with 1 path(s), API version 19...46.43GPP TS 28.111 Fault Nrm APIOAS 3.0.1 definition of the Fault Supervision MnS. An OpenAPI 3.0.1 data-model-only document (no paths; it ...46.43GPP TS 28.310 Energy Information Nrm APIOAS 3.0.1 specification of the Energy Information NRM. An OpenAPI 3.0.1 data-model-only document (no paths;...46.43GPP TS 28.312 Intent Expectations APIOAS 3.0.1 definition of scenario specific Intent Expectations. An OpenAPI 3.0.1 data-model-only document (n...46.43GPP TS 28.312 Intent Nrm APIOAS 3.0.1 definition of the Intent NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the...46.43GPP TS 28.317 Ran Sc Nrm APIOAS 3.0.1 definition of the RANSC NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the ...46.43GPP TS 28.318 Dso Nrm APIOAS 3.0.1 specification of the OutageAndRecoveryInfo NRM. An OpenAPI 3.0.1 data-model-only document (no pat...46.43GPP TS 28.319 Msac Nrm APIOAS 3.0.1 definition of the MSAC NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the s...46.43GPP TS 28.531 NS Prov Mn S APIOAS 3.0.1 definition of the Network Slice Provisioning MnS. An OpenAPI 3.0.1 document with 2 path(s), API v...46.43GPP TS 28.531 NSS Prov Mn S APIOAS 3.0.1 definition of the Network Slice Suubnet Provisioning MnS. An OpenAPI 3.0.1 document with 2 path(s...46.43GPP TS 28.532 File Data Reporting Mn S APIOAS 3.0.1 definition of the File Data Reporting MnS. An OpenAPI 3.0.1 document with 3 path(s), API version ...46.43GPP TS 28.532 Heartbeat Ntf APIOAS 3.0.1 definition of the heartbeat notification. An OpenAPI 3.0.1 data-model-only document (no paths; it...46.43GPP TS 28.532 Perf Mn S APIOAS 3.0.1 definition of the Performance Threshold Monitoring MnS. An OpenAPI 3.0.1 document with 1 path(s),...46.43GPP TS 28.532 Prov Mn S APIOAS 3.0.1 definition of the Provisioning MnS. An OpenAPI 3.0.1 document with 2 path(s), API version 19.2.0,...46.43GPP TS 28.532 Streaming Data Mn S APIOAS 3.0.1 specification for the Streaming data reporting service (Streaming MnS). An OpenAPI 3.0.1 document...46.43GPP TS 28.536 Cosla Nrm APIOAS 3.0.1 specification of the Cosla NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines t...46.43GPP TS 28.538 Edge Nrm APIOAS 3.0.1 specification of the Edge NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines th...46.43GPP TS 28.541 5 Gc Nrm APIOAS 3.0.1 specification of the 5GC NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the...46.43GPP TS 28.541 Nr Nrm APIOAS 3.0.1 specification of the NR NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the ...46.43GPP TS 28.541 Slice Nrm APIOAS 3.0.1 specification of the Slice NRM @ 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDS...46.43GPP TS 28.550 Perf Meas Job Ctrl Mn S APIOAS 3.0.1 specification of the Performance Measurement Job Control Service @ 2025, 3GPP Organizational Part...46.43GPP TS 28.561 Ndt Nrm APIOAS 3.0.1 definition of the NDT NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the sc...46.43GPP TS 28.567 Ccl Nrm APIOAS 3.0.1 definition of the CCL NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines the sc...46.43GPP TS 28.572 Plan Management APIOAS 3.0.1 specification of API for managing network configuration plans and related jobs. An OpenAPI 3.0.1 ...46.43GPP TS 28.623 Com Defs APIOAS 3.0.1 specification of common type definitions in the Generic NRM. An OpenAPI 3.0.1 data-model-only doc...46.43GPP TS 28.623 External Data Mgmt Nrm APIOAS 3.0.1 definition of the External data type NRM fragment. An OpenAPI 3.0.1 data-model-only document (no ...46.43GPP TS 28.623 Feature Nrm APIOAS 3.0.1 definition of the Features of NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it define...46.43GPP TS 28.623 File Management Nrm APIOAS 3.0.1 definition of the File Management NRM fragment. An OpenAPI 3.0.1 data-model-only document (no pat...46.43GPP TS 28.623 Generic Nrm APIOAS 3.0.1 definition of the Generic NRM. An OpenAPI 3.0.1 data-model-only document (no paths; it defines th...46.43GPP TS 28.623 Management Data Collection Nrm APIOAS 3.0.1 definition of the Management Data Collection NRM fragment. An OpenAPI 3.0.1 data-model-only docum...46.43GPP TS 28.623 Mn S Registry Nrm APIOAS 3.0.1 definition of the MnS Registry NRM fragment. An OpenAPI 3.0.1 data-model-only document (no paths;...46.43GPP TS 28.623 Pm Control Nrm APIOAS 3.0.1 definition of the PM control NRM fragment. An OpenAPI 3.0.1 data-model-only document (no paths; i...46.43GPP TS 28.623 Qo E Measurement Collection Nrm APIOAS 3.0.1 definition of the QoE Measurement Collection NRM. An OpenAPI 3.0.1 data-model-only document (no p...46.43GPP TS 28.623 Subscription Control Nrm APIOAS 3.0.1 definition of the Subscription Control NRM fragment. An OpenAPI 3.0.1 data-model-only document (n...46.43GPP TS 28.623 Threshold Monitor Nrm APIOAS 3.0.1 definition of the Threshold Monitor NRM fragment. An OpenAPI 3.0.1 data-model-only document (no p...46.43GPP TS 28.623 Trace Control Nrm APIOAS 3.0.1 definition of the Trace Control NRM fragment. An OpenAPI 3.0.1 data-model-only document (no paths...46.43GPP TS 29.122 As Session With Qo S APIAPI for setting us an AS session with required QoS. An OpenAPI 3.0.0 document with 2 path(s), API version 1...46.43GPP TS 29.122 Chargeable Party APIAPI for Chargeable Party management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.1, published...46.43GPP TS 29.122 Common Data APIData types applicable to several APIs. An OpenAPI 3.0.0 data-model-only document (no paths; it defines the ...46.43GPP TS 29.122 Cp Provisioning APIAPI for provisioning communication pattern parameters. An OpenAPI 3.0.0 document with 3 path(s), API versio...46.43GPP TS 29.122 Device Triggering APIDevice Triggering API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.3.0, published verbatim by 3...46.43GPP TS 29.122 ECR Control APIAPI for enhanced converage restriction control. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.0...46.43GPP TS 29.122 GM Dvia MBM Sby MB2 APIAPI for Group Message Delivery via MBMS by MB2. An OpenAPI 3.0.0 document with 4 path(s), API version 1.4.0...46.43GPP TS 29.122 GM Dvia MBM Sbyx MB APIAPI for Group Message Delivery via MBMS by xMB. An OpenAPI 3.0.0 document with 4 path(s), API version 1.4.0...46.43GPP TS 29.122 Monitoring Event APIMonitoring Event API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published verbatim by 3G...46.43GPP TS 29.122 Msisdn Less Mo Sms APIAPI for MSISDN-less Mobile Originated SMS. An OpenAPI 3.0.0 document with 1 path(s), API version 1.2.0, pub...46.43GPP TS 29.122 NIDD APIAPI for non IP data delivery. An OpenAPI 3.0.0 document with 6 path(s), API version 1.3.0, published verbat...46.43GPP TS 29.122 Np Configuration APIAPI for network parameter configuration. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, publi...46.43GPP TS 29.122 Pfd Management APIPfd Management API. An OpenAPI 3.0.0 document with 3 path(s), API version 1.4.0, published verbatim by 3GPP...46.43GPP TS 29.122 Racs Parameter Provisioning APIAPI for provisioning UE radio capability parameters. An OpenAPI 3.0.0 document with 2 path(s), API version ...46.43GPP TS 29.122 Reporting Network Status APIAPI for reporting network status. An OpenAPI 3.0.0 document with 2 path(s), API version 1.3.0, published ve...46.43GPP TS 29.122 Resource Management Of Bdt APIAPI for BDT resouce management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published verb...46.43GPP TS 29.222 AEF Security APIAPI for AEF security management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published ver...46.43GPP TS 29.222 CAPIF Access Control Policy APIAPI for access control policy. An OpenAPI 3.0.0 document with 1 path(s), API version 1.4.0, published verba...46.43GPP TS 29.222 CAPIF API Invoker Management APIAPI for API invoker management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published verb...46.43GPP TS 29.222 CAPIF API Provider Management APIAPI for API provider domain functions management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.3...46.43GPP TS 29.222 CAPIF Auditing APICAPIF Auditing API. An OpenAPI 3.0.0 document with 1 path(s), API version 1.4.0, published verbatim by 3GPP...46.43GPP TS 29.222 CAPIF Discover Service APIAPI for discovering service APIs. An OpenAPI 3.0.0 document with 1 path(s), API version 1.4.0, published ve...46.43GPP TS 29.222 CAPIF Events APIAPI for event subscription management. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, publish...46.43GPP TS 29.222 CAPIF Logging API Invocation APICAPIF Logging API Invocation API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published ve...46.43GPP TS 29.222 CAPIF Open Discover Service APIAPI for open discovery of service APIs. An OpenAPI 3.0.0 document with 1 path(s), API version 1.0.0, publis...46.43GPP TS 29.222 CAPIF Publish Service APIAPI for publishing service APIs. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.0, published ver...46.43GPP TS 29.222 CAPIF Routing Info APIAPI for Routing information. An OpenAPI 3.0.0 document with 1 path(s), API version 1.3.0, published verbati...46.43GPP TS 29.222 CAPIF Security APIAPI for CAPIF security management. An OpenAPI 3.0.0 document with 4 path(s), API version 1.4.0, published v...46.43GPP TS 29.512 Npcf SM Policy Control APISession Management Policy Control Service. An OpenAPI 3.0.0 document with 4 path(s), API version 1.1.7, pub...46.43GPP TS 29.514 Npcf Policy Authorization APIPCF Policy Authorization Service. An OpenAPI 3.0.0 document with 5 path(s), API version 1.1.5, published ve...46.43GPP TS 29.520 Nnwdaf Analytics Info APINnwdaf_AnalyticsInfo Service API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.1, published ve...46.43GPP TS 29.520 Nnwdaf Events Subscription APINnwdaf_EventsSubscription Service API. An OpenAPI 3.0.0 document with 4 path(s), API version 1.2.0, publish...46.43GPP TS 29.522 5 GLAN Parameter Provision APIAPI for 5G LAN Parameter Provision. An OpenAPI 3.0.0 document with 2 path(s), API version 1.3.0, published ...46.43GPP TS 29.522 A Io T APIAPI for UE Address service. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.1, published verbatim...46.43GPP TS 29.522 ACS Parameter Provision APIAPI for 5G ACS Parameter Provision. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.2, published ...46.43GPP TS 29.522 Addressing Param Provision APIAPI for Addressing Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.1, pu...46.43GPP TS 29.522 AKMA APIAKMA API. An OpenAPI 3.0.0 document with 1 path(s), API version 1.1.0, published verbatim by 3GPP in 3GPP T...46.43GPP TS 29.522 AM Influence APIAM Influence API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.1, published verbatim by 3GPP i...46.43GPP TS 29.522 AM Policy Authorization APIAPI for AM policy authorization. An OpenAPI 3.0.0 document with 3 path(s), API version 1.2.0, published ver...46.43GPP TS 29.522 Analytics Exposure APIAPI for Analytics Exposure. An OpenAPI 3.0.0 document with 3 path(s), API version 1.3.1, published verbatim...46.43GPP TS 29.522 Applying Bdt Policy APIAPI for applying BDT policy. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.1, published verbati...46.43GPP TS 29.522 ASTI APIASTI API. An OpenAPI 3.0.0 document with 3 path(s), API version 1.2.0, published verbatim by 3GPP in 3GPP T...46.43GPP TS 29.522 Cag Info Param Provision APIAPI for CAG Information Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0....46.43GPP TS 29.522 Data Reporting APIAPI for 3GPP Data Reporting. An OpenAPI 3.0.0 document with 3 path(s), API version 1.2.0, published verbati...46.43GPP TS 29.522 Data Reporting Provisioning APIAPI for 3GPP Data Reporting and Provisioning. An OpenAPI 3.0.0 document with 4 path(s), API version 1.2.0, ...46.43GPP TS 29.522 DNAI Mapping APIDNAI Mapping API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.0, published verbatim by 3GPP i...46.43GPP TS 29.522 EAS Deployment APIAPI for AF provisioned EAS Deployment. An OpenAPI 3.0.0 document with 3 path(s), API version 1.2.0, publish...46.43GPP TS 29.522 ECS Address APIAPI for AF provisioned ECS Address Configuration Information. An OpenAPI 3.0.0 document with 3 path(s), API...46.43GPP TS 29.522 Ecs Address Provision APIAPI for ECS Address Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.0, published ve...46.43GPP TS 29.522 Group Parameters Provisioning APIAPI for Group Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.0, publish...46.43GPP TS 29.522 Ims Event Exposure APIAPI for the IMS Event Exposure Service. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.1, publis...46.43GPP TS 29.522 Ims Param Provision APIAPI for the IMS Parameters Provisioning Service. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0....46.43GPP TS 29.522 Ims Session Management APIAPI for the IMS Session Management Service. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.0, pu...46.43GPP TS 29.522 IPTV Configuration APIAPI for IPTV configuration. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.0, published verbatim...46.43GPP TS 29.522 Lpi Parameter Provision APIAPI for Location Privacy Indication Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API ...46.43GPP TS 29.522 MBS Group Msg Delivery APIAPI for MBS Group Message Delivery. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.0, published ...46.43GPP TS 29.522 MBS Session APIAPI for MBS Session Management. An OpenAPI 3.0.0 document with 6 path(s), API version 1.3.0, published verb...46.43GPP TS 29.522 MBS User Data Ingest Session APIAPI for MBS User Data Ingest Session. An OpenAPI 3.0.0 document with 4 path(s), API version 1.2.1, publishe...46.43GPP TS 29.522 MBS User Service APIMBS User Service API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.0, published verbatim by 3G...46.43GPP TS 29.522 MBSTMGI APIAPI for the allocation, deallocation and management of TMGI(s) for MBS. An OpenAPI 3.0.0 document with 2 pa...46.43GPP TS 29.522 Member UE Selection Assistance APIAPI for Member UE Selection Assistance. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.0, publis...46.43GPP TS 29.522 Mo Lcs Notify APIAPI for UE updated location information notification. An OpenAPI 3.0.0 document with 1 path(s), API version...46.43GPP TS 29.522 MS Event Exposure APIAPI for Media Streaming Event Exposure. An OpenAPI 3.0.0 document with 2 path(s), API version 1.2.1, publis...46.43GPP TS 29.522 NIDD Configuration Trigger APIAPI for NIDD Configuration Trigger. An OpenAPI 3.0.0 document with 1 path(s), API version 1.1.1, published ...46.43GPP TS 29.522 PDTQ Policy Negotiation APIAPI for PDTQ Policy Negotiation. An OpenAPI 3.0.0 document with 2 path(s), API version 1.1.0, published ver...46.43GPP TS 29.522 RSLPPI Parameters Provisioning APIAPI for RSLPPI Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.0, publis...46.43GPP TS 29.522 Service Parameter APIAPI for AF service paramter. An OpenAPI 3.0.0 document with 2 path(s), API version 1.3.1, published verbati...46.43GPP TS 29.522 Slice Param Provision APIAPI for Network Slice Parameters Provisioning. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.0,...46.43GPP TS 29.522 Time Sync Exposure APIAPI for time synchronization exposure. An OpenAPI 3.0.0 document with 4 path(s), API version 1.2.0, publish...46.43GPP TS 29.522 Traffic Influence APIAPI for AF traffic influence. An OpenAPI 3.0.0 document with 2 path(s), API version 1.4.1, published verbat...46.43GPP TS 29.522 UAV Flight Assistance APIAPI for UAV Flight Assistance. An OpenAPI 3.0.0 document with 3 path(s), API version 1.0.0, published verba...46.43GPP TS 29.522 UE Address APIAPI for UE Address service. An OpenAPI 3.0.0 document with 3 path(s), API version 1.1.0, published verbatim...46.43GPP TS 29.522 UE Id APIUE Id API. An OpenAPI 3.0.0 document with 5 path(s), API version 1.2.0, published verbatim by 3GPP in 3GPP ...46.43GPP TS 29.522 VFL Inference APIVFL Inference API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.1, published verbatim by 3GPP ...46.43GPP TS 29.522 VFL Training APIVFL Training API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.1, published verbatim by 3GPP i...46.43GPP TS 29.522 VFLNF Discovery APIVFLNF Discovery API. An OpenAPI 3.0.0 document with 2 path(s), API version 1.0.0, published verbatim by 3GP...46.43GPP TS 29.571 Common Data APICommon Data Types for Service Based Interfaces. An OpenAPI 3.0.0 data-model-only document (no paths; it def...46.4QRCodeCrafter APIREST API for generating static and bulk QR codes and managing dynamic URL redirects/vaults with aggregate a...46.4Twenty openapi APIOpenAPI schema discovery45.9BTC War Live Market Data APIRead-only REST/HTTP JSON and JSON-LD API for live Binance Spot market snapshots and single-market observati...45.8Hey API Openapi-Ts@hey-api/openapi-ts is an OpenAPI to TypeScript code generator that emits production-grade SDKs, types, val...45.7Clerk OpenAPI SpecificationsPublic repository of OpenAPI specifications for Clerk's APIs, used as the source for generated SDKs and doc...45.1Harvard API Portal (HUIT)Harvard University Information Technology's central catalog of administrative APIs - Courses, Person Data S...44.4Adsmom REST APIStable REST API over the Adsmom ad index. 78 operations across Explore (list, hydrate and detail Meta/TikTo...43.8Scalar API ClientScalar API Client is a fully open-source, offline-first REST API client built on the OpenAPI standard. Supp...40.3Scalar API ReferencesScalar API References renders modern, interactive API documentation from OpenAPI and Swagger specifications...40.3Scalar CLIThe Scalar CLI is a command-line interface for managing OpenAPI files, generating documentation, running mo...40.3Scalar RegistryScalar Registry provides centralized management and versioning of OpenAPI Documents, JSON Schemas, and Spec...40.3Ambassador Blackbird API Development PlatformBlackbird is an API development platform that helps developers design, build, test, and manage APIs with AI...39.3Ambassador Edge Stack Developer PortalThe Ambassador Edge Stack Developer Portal automatically detects and publishes API documentation, serving a...39.3
Thin 55 Limited public surface area
Custom Connectors APICustom connectors allow you to create wrappers around REST or SOAP APIs for use in Power Apps, Power Automa...39.1Arazzo Specification (Redocly Tooling)Arazzo is the OpenAPI Initiative's specification for describing multi-step API workflows; Redocly is a prim...38.9Redocly CLIRedocly CLI is an open-source command-line tool for working with OpenAPI descriptions, developer portals, a...38.9Redocly RedocRedoc is the open-source engine that renders API reference documentation from OpenAPI definitions with a th...38.9Mosaic Open APIThe Mosaic Open API exposes the workforce, project, and financial data Mosaic manages so firms can build cu...38.8KiotaKiota generates strongly-typed, lightweight API clients from OpenAPI descriptions in C#, Dart, Go, Java, PH...38.5Rugspull Read APINine GET-only endpoints providing service health, chain config, indexer status, discovery cache, indexed ev...38.4Xano Generated User APIsThe REST APIs that Xano users build visually. Each API group is served at its own /api:{token} path on the ...38.2Kubescape In-Cluster Component API (Open Source)The open-source Kubescape Operator's in-cluster components (storage, kubevuln, gateway, operator, node-agen...37.8Restate openapi APIThe openapi API from Restate — 1 operation(s) for openapi.36.9DatabookAI REST APIREST API for integrating Databook's account intelligence into other applications. Eight operations across f...36.0FernFern transforms a single API source of truth (OpenAPI, AsyncAPI, Protobuf, OpenRPC, or the Fern Definition ...36.0Trieve REST APIProduction REST API for Trieve Cloud. Organizes resources around organizations, datasets, chunks, chunk gro...35.5Open Charge Map Openapi APIThe Openapi API from Open Charge Map — 1 operation(s) for openapi.35.4Stoplight CLIThe Stoplight CLI enables programmatic linting of API descriptions and pushing analysis results to the Stop...35.3Stoplight ElementsElements is an open-source toolkit for building beautiful, interactive API documentation from OpenAPI speci...35.3Stoplight PlatformStoplight Platform is a SaaS collaborative API design and documentation management tool providing a visual ...35.3Stoplight PrismPrism is an open-source HTTP mock and proxy server that turns any OpenAPI v2/v3 or Postman Collection file ...35.3Stoplight SpectralSpectral is an open-source JSON and YAML linter for creating automated API style guides and governance rule...35.3Stoplight StudioStoplight Studio is the visual API design and technical writing editor included in the Stoplight Platform. ...35.3API Central (Developer Portal)Berkeley IT's centralized API management developer portal, operated by the Engineering and Integration Serv...35.0DeveloperHub Documentation PlatformDeveloperHub provides a hosted platform for creating developer documentation including API references auto-...34.4NASA Earthdata OpenAPI APIThe OpenAPI API from NASA Earthdata — 1 operation(s) for openapi.34.4RefitterRefitter is a .NET source generator and CLI tool that produces Refit HTTP client interfaces from OpenAPI 2....34.1Snyk OpenAPI APIThe OpenAPI specification for this service.33.8Ignition Gateway REST APIThe Ignition Gateway REST API (available in Ignition 8.3+) provides an OpenAPI- compliant HTTP interface to...33.7Yieldmo DCS Reporting APIOAuth-protected campaign reporting and analytics API over Yieldmo YMax exchange data, served as both a Mode...33.6Dredd API Testing FrameworkDredd is an open-source language-agnostic command-line tool for validating API documentation written in Ope...33.4Kareo Clinical Open APIThe Kareo Clinical Open API provides REST-based access to EHR clinical data, exposing patient clinical reco...33.4SchemathesisSchemathesis is a property-based testing tool for web APIs. It reads OpenAPI or GraphQL schemas and automat...33.4Filecoin HTTP REST APIOpenAPI-specified HTTP REST interface for Filecoin nodes, covering chain resources (tipsets, blocks, execut...33.2OgenThe ogen code generator. Invoked as a build-time CLI against a local OpenAPI v3 document — `ogen [options] ...33.1what3words API Docs and OpenAPI RepositoryPublic repository hosting the OpenAPI specification, LLM files, and reference material for the what3words P...33.0LAPIS SpecificationThe LAPIS specification defines a token-minimal, LLM-native format for describing HTTP APIs. A LAPIS docume...32.5LayerZero openapi APIThe openapi API from LayerZero — 1 operation(s) for openapi.31.7Vert.x OpenAPIVert.x OpenAPI provides OpenAPI 3.1 specification support for Vert.x, enabling contract-driven API developm...31.4Apicurio CodegenApicurio Codegen generates Java JAX-RS server stubs and client code from OpenAPI specifications, enabling d...30.5Apicurio Data ModelsApicurio Data Models is a Java and TypeScript library for parsing, validating, and manipulating OpenAPI and...30.5Apicurio RegistryApicurio Registry is a high-performance, runtime registry for schemas and API designs. It stores and manage...30.5Apicurio StudioApicurio Studio is a visual, zero-code API design tool for creating and editing OpenAPI and AsyncAPI specif...30.5Oapi-CodegenCommand-line tool and Go library that converts OpenAPI 3.0 and 3.1 specifications into Go server-side, clie...30.4ASP.NET Core Web APIFramework for building RESTful web APIs and HTTP services with .NET. Includes routing, model binding, valid...29.7Morgan Stanley API Platform (REST)The institutional REST APIs on the Morgan Stanley API Platform let onboarded clients and third-party partne...29.3AutoRest CoreThe AutoRest Core package (@autorest/core) is the central engine that orchestrates code generation from Ope...29.0Liblab MCP GeneratorGenerates a complete Model Context Protocol (MCP) server from an OpenAPI, Swagger, or Postman spec so AI ch...28.8Liblab SDK GeneratorCloud-based generator that produces customizable, type-safe SDKs in seven target stacks (TypeScript, Python...28.8OWASP ZAP openapi APIThe openapi API from OWASP ZAP — 2 operation(s) for openapi.27.742Crunch API Security AuditThe 42Crunch API Security Audit performs automated static analysis of API definitions (OpenAPI 2, 3.0, 3.1 ...27.3Scalar API ReferenceOpen-source (MIT) renderer that turns an OpenAPI/Swagger or AsyncAPI document into an interactive API refer...27.2Scalar CLIOpen-source command-line tool (@scalar/cli) for validating and linting OpenAPI documents (Spectral rules), ...27.2Scalar SDK GenerationHosted SDK generation that produces type-safe client libraries from an OpenAPI document for TypeScript, Pyt...27.2Sourcegraph REST APIVersioned external REST API introduced in Sourcegraph 7.0 and intended as the stable integration surface go...27.1Researcher Metadata Database (RMD) APIPenn State University Libraries' faculty and research metadata service, maintained with OSVPR and West Aret...27.0Quarkus OpenAPI APIThe OpenAPI API from Quarkus — 2 operation(s) for openapi.26.9Dredd APICommand-line HTTP API testing framework that validates API implementations against API Blueprint or OpenAPI...26.6
Emerging 60 Early or largely undocumented
ReDocReDoc is an open-source API documentation renderer for OpenAPI specifications, originally created by Rebill...25.3Helidon OpenAPI APIThe OpenAPI API from Helidon — 1 operation(s) for openapi.24.6NSwagNSwag is an open source .NET toolchain for generating C# and TypeScript API clients and Swagger/OpenAPI spe...23.5Stainless Platform APIThe Stainless Platform API is a REST API for programmatically managing Stainless projects, branches, and SD...23.5TypeSpec OpenAPI EmitterThe TypeSpec OpenAPI emitter converts TypeSpec definitions to OpenAPI 3.0 specifications. It supports HTTP ...23.3NEXON Open APIProgrammatic access to per-game data (character, ranking, match, and metadata) for Nexon titles. Authentica...22.6SchemathesisSchemathesis is a property-based API testing tool that automatically generates test cases from OpenAPI and ...22.2ISO 20022 API Resources CatalogueThe ISO 20022 API Resources Catalogue, governed by the API Standards Evaluation Group (APISEG), provides re...22.1Hanyang University Open API Developer CenterOfficial Hanyang University Open API platform providing REST-style APIs that return XML or JSON. APIs are c...22.0Chainguard Unified API SpecThe unified Chainguard API specification combines API v1 and v2 definitions in a single reference, useful f...21.8Flotiq APIAuto-generated RESTful and GraphQL APIs derived from user-defined content type definitions, enabling full C...21.1OpenAPI VersioningOpenAPI handles versioning through the info.version field (using SemVer), the deprecated flag on individual...20.2FastAPI FrameworkModern, fast web framework for building APIs with Python based on standard Python type hints.20.0Zalando RESTful API and Event GuidelinesThe canonical open community style guide. Maintained by Zalando's API Guild and widely cited as the referen...20.0FastMCP OpenAPI and FastAPI IntegrationFastMCP can generate an MCP server directly from an existing OpenAPI 3.x description or a FastAPI applicati...19.7SpectralSpectral is a flexible JSON/YAML linter and style guide enforcer with built-in support for OpenAPI (v3.1, v...19.2VacuumVacuum is the world's fastest OpenAPI linter written in Go. It processes API specifications at lightning sp...19.0SpecLynxStop wrestling with OpenAPI specs. SpecLynx OpenAPI Toolkit delivers the most effective way to author and m...18.8SpecLynx ApiDOMA unified semantic parsing engine that underpins all SpecLynx products. ApiDOM parses OpenAPI, AsyncAPI, Ar...18.8SpecLynx CLIA command-line interface for overlay operations, dereferencing, bundling, format conversion (JSON/YAML), an...18.8SpecLynx EditorA browser-based OpenAPI editor with real-time validation, smart autocompletion, and live preview. No instal...18.8SpecLynx Language ServiceAn LSP-compatible npm library (@speclynx/apidom-ls) providing 13 intelligent editing capabilities for API d...18.8SpecLynx OpenAPI ToolkitA VS Code extension providing semantic editing, real-time validation, linting, and live preview for OpenAPI...18.8OpenAPI SpecificationThe OpenAPI Specification (formerly Swagger Specification) is a language-agnostic standard for describing H...18.2Swagger CodegenSwagger Codegen generates server stubs, client SDKs, and API documentation from OpenAPI specifications in o...18.2Swagger EditorSwagger Editor is a browser-based editor for writing and validating OpenAPI and AsyncAPI specifications wit...18.2Swagger ParserSwagger Parser (swagger-parser) is a JavaScript library for parsing, validating, and dereferencing OpenAPI ...18.2Swagger UISwagger UI renders OpenAPI specifications as interactive API documentation, allowing developers to explore ...18.2Optic APIOptic is a developer tool that uses API specifications as the source of truth for testing. It tracks specif...18.1SpectralSpectral is an open-source JSON/YAML linter and specification validator. It evaluates OpenAPI, AsyncAPI, an...18.1Swagger EditorSwagger Editor is an open-source web-based editor for designing OpenAPI specifications that double as test ...18.1Paradox Open APIParadox's customer- and partner-facing Open API used to build custom integrations with ATS, HRIS, and opera...18.0Coupang Open APIThe Coupang Open API is a RESTful seller (vendor) API for managing the full marketplace lifecycle including...17.5OpenAPI GeneratorOpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation a...17.0OpenAPI SpecificationThe OpenAPI Specification (OAS) defines a standard, language-agnostic interface to RESTful APIs which allow...17.0Loa Healthcare Pricing MCP ServerHosted/remote MCP server 'LOA Healthcare Pricing' v1.0.0 over Streamable HTTP with 12 tools for CPT search,...16.7OpenAPI SpecificationThe OpenAPI Specification (OAS) defines a standard, programming language-agnostic interface description for...16.5Konfig OpenAPI LintingCapability area (endpointsModeled). A configurable linter that inspects an OpenAPI Specification for errors...16.1Konfig SDK GenerationCapability area (endpointsModeled - no documented public REST endpoint). Generates idiomatic client-library...16.1Connexion Python FrameworkConnexion is a contract-first Python web framework that loads an OpenAPI specification and routes requests ...15.8OpenAPI Specification (OAS)The OpenAPI Specification (formerly Swagger) is the dominant industry standard for describing HTTP-based RE...15.4DapperDoxDapperDox is an open-source API documentation generator that renders beautiful, customizable reference docs...15.3Apicurio RegistryRed Hat's open-source API/schema registry that stores and validates OpenAPI, AsyncAPI, JSON Schema, Avro, P...14.4OpticOptic catches breaking changes and applies lint rules to OpenAPI specs, generating OpenAPI from real traffi...14.4Postman API GovernancePostman Spec Hub's governance engine applies linting rules to OpenAPI 2.0, 3.0, and 3.1 specifications, sur...14.4Redocly CLIRedocly's `lint` command identifies and reports problems in OpenAPI, AsyncAPI, Arazzo, or Open-RPC descript...14.4Speakeasy LinterSpeakeasy's OpenAPI validator with 90+ built-in rules across six categories — SDK generation, spec correctn...14.4SpectralStoplight's flexible JSON/YAML linter for creating automated style guides, with baked-in support for OpenAP...14.4Sweater CombSnyk's TypeScript ruleset built on Optic CI that enforces consistency standards across OpenAPI specificatio...14.4VacuumA Go-based, ultra-fast OpenAPI linter inspired by Spectral and fully compatible with existing Spectral rule...14.4LoopBackLoopBack is a highly extensible Node.js and TypeScript framework for building APIs and microservices with b...13.7Konfig SDK Generation Platform (Sunset)Konfig's developer platform for generating, validating, and publishing SDKs, API reference documentation, a...13.2Media Caption Public APIREST API for fetching public YouTube transcripts synchronously and in bulk, with account/balance endpoints,...12.6RoxyAPI REST API v2Production REST API covering 12 spiritual intelligence domains with 164+ endpoints under a single API key, ...12.6JD Cloud OpenAPIJD Cloud OpenAPI is the programmatic control plane for JD Technology's public cloud — compute (VM), storage...12.4Optic CLIThe Optic CLI provides OpenAPI diffing, linting, and breaking change detection from the command line, compa...11.8PortmanPortman is an open source CLI tool that auto-generates Postman collections with contract and variation test...11.8DreddDredd is a language-agnostic command-line tool for validating an API description document against a backend...11.4FastAPIModern, fast web framework for building APIs with Python 3.7+.11.2API Insights AnalysisAPI Insights analyzes OpenAPI specifications (OAS v3, JSON or YAML) and produces detailed scorecards across...11.1
Minimal 4 Almost no public developer surface
OasdiffOasdiff is an open-source tool for detecting breaking changes and generating changelogs from OpenAPI specif...9.3Lumen OpenAPI Services (Level 3 legacy)The Level 3 / Lumen OpenAPI Services portal provides OpenAPI-described REST services such as the Lumen Loca...8.9Adanos Market Sentiment APIRESTful JSON API grouping five sentiment services (Reddit Stocks, X.com Stocks, Stock News, Polymarket Stoc...7.3X-Road (Straumurinn) API CatalogueIceland's X-Road data-exchange layer (Straumurinn). Government-to-government REST services that publish Ope...7.2

Score breakdown

Frequency
70.8
log-scaled weighted occurrences
Breadth
5.0
spread across providers
Quality lift
44.4
mean composite of providers using it
Cohesion
13.4
strength of nearest seed neighbor

Related tags

API Design 27 co-occurrences Code Generation 26 co-occurrences Documentation 33 co-occurrences API Documentation 13 co-occurrences JSON-Schema 13 co-occurrences AsyncAPI 13 co-occurrences API Governance 10 co-occurrences SDK Generation 9 co-occurrences

Where this tag comes from

Provider tag120
Api tag285
Openapi tag14
Openapi op tag21

Cohort brief

Auto-generated

The 184 providers in the APIs.io catalog tagged OpenAPI, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
184
all scored
Mean Kin Score
36.7
+16.0 vs catalog 20.7
Mean Agent Readiness
21.4
+11.7 vs catalog 9.7
Spread
0.1–92.3
median 34.6 · σ 17.7
How the 184 split by band
Exemplar 10Strong 20Developing 40Thin 59Emerging 49Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 38.3 17.5 +20.8 184
Developer Ergonomics 35.2 17.9 +17.3 184
Operational Transparency 27.6 11.3 +16.3 184
Access Clarity 35.2 22.3 +12.9 184
Contract Governance 17 6.4 +10.6 184
Discoverability 69.6 60.4 +9.2 184

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 31% 16% +15
MCP server (first-party) 18% 7% +11
Agent Skills 0% 0% 0
OAuth scopes 17% 9% +8
Security 94% 88% +6
Arazzo workflows 7% 2% +5
Governance rules 40% 13% +27

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Xquik 92.3
  2. 2 OpenMercantil 87.9
  3. 3 Elation Health 84.1
  4. 4 APIs.io 76.1
  5. 5 Zoho CRM 74.1
  6. 6 Infobip 71
  7. 7 Cvent Event Cloud 69.6
  8. 8 Matomo 67.3
  9. 9 Adobe Workfront 66.6
  10. 10 Tvarka ATK API 66.6
Top by Agent Readiness
  1. 1 Xquik 82.9
  2. 2 Adobe Workfront 62.9
  3. 3 StayingAPI 59.4
  4. 4 BTC War Live Market Data API 55
  5. 5 Photon 53.8
  6. 6 AirOps 48.7
  7. 7 Elation Health 48.1
  8. 8 ETSI 47.9
  9. 9 Infobip 47.7
  10. 10 APIs.io 47.5
All 184 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/openapi"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/openapi"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/openapi/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

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