established · 0.8 capability schema

Event-Driven

Score 25.5 / 100 79 providers 54 APIs Search apis.io →
Variants seen in the corpus: Event DrivenEvent-Drivenevent-driven

Providers using this tag (79)

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

Exemplar 2 Complete, well-documented, and agent-ready
SalesforceFortune 500Artificial IntelligenceAnalyticsCloud4 APIs82.5SvixWebhookWebhooks As A ServiceWebhook DeliveryWebhook Sending1 API78.6
Strong 15 Solid coverage with minor gaps
Virto CommerceB2B eCommerceCatalog ManagementOrder ManagementPricing14 APIs64.9Microsoft Azure FunctionsAzureCloudCompute1 API64.3InngestAI AgentsAgentKitBackground JobsConnect1 API64.1Amazon LambdaComputeFaaSFunctions1 API63.3RaygunObservabilityCrash ReportingReal User MonitoringApplication Performance Monitoring1 API63.2Amazon EventBridge PipesAmazon Web ServicesIntegrationMessaging1 API62.3Amazon EventBridge SchedulerAmazon Web ServicesCronScheduling1 API62.3Oracle SiebelCRMCustomer ManagementEnterprise SoftwareMarketing Automation1 API61.7Amazon EventBridgeAmazon Web ServicesEvent BusEvent1 API61.6IBMAPI ManagementArtificial IntelligenceBillingCloud Computing1 API61.4Red Hat Ansible Automation PlatformAutomationConfiguration ManagementDevOpsEnterprise7 APIs60.0Fasten HealthHealthcareFHIRPersonal Health RecordElectronic Medical Record1 API59.7Cloudflare QueuesMessagingMessage QueueServerlessWorkers1 API56.5Amazon DynamoDBCloudDatabaseDocument StoreKey-Value1 API56.1Red HatCloudContainersEnterpriseHybrid Cloud6 APIs54.4
Developing 23 Usable, with meaningful gaps to close
HookdeckWebhookEvent GatewaysGatewaysEvent1 API53.9BuildxactConstructionResidential ConstructionConstruction ManagementEstimating1 API53.4Adobe Creative CloudAI/MLCloudCreativeDesign4 APIs53.0Azure Web PubSubMessagingPub-SubReal-TimeServerless1 API53.0GraviteeAPI GatewayAPI ManagementAccess ManagementIdentity2 APIs52.9TraceLinkCompanySupply ChainPharmaceuticalsLife Sciences6 APIs52.4AklivityAI GatewayAPI GatewayAgent InfrastructureApache Kafka4 APIs52.2KnativeAuto-ScalingCloud-NativeGraduated2 APIs51.5KestraAutomationData PipelineOrchestration1 API51.4SAPArtificial IntelligenceBTPBusiness ApplicationsCloud3 APIs51.3AxwayAPI ManagementEnterpriseIntegrationSecurity1 API50.8Red Hat OpenShiftContainersEnterpriseHybrid CloudKubernetes2 APIs49.7Instabug (Luciq)Agentic AIAPMApplication Performance MonitoringBug Reporting1 API49.4ArgoCNCFCI/CDGitOpsKubernetes3 APIs48.7KEDAAuto-ScalingCNCFGraduated5 APIs48.4Microsoft Azure Integration ServicesAPI ManagementEnterpriseIntegration6 APIs48.0Workday StudioCloudDevelopmentEnterpriseFinance2 APIs47.1Google Cloud FunctionsFunctionsGoogle CloudServerless1 API46.5Google Cloud EventarcEventGoogle CloudMessaging1 API45.4RollbarError TrackingMonitoringDebuggingDevOps4 APIs45.3Azure FunctionsCloudComputeFunctions1 API42.7ApteanCompanyManufacturingERPSupply Chain1 API41.3KrakenDAggregationAPI GatewayGoOpen-Source1 API39.7
Thin 27 Limited public surface area
Google Pub/SubCloudGoogle CloudMessaging1 API39.0Google Cloud Pub/SubGoogle CloudMessagingPub/Sub1 API38.9Axon FrameworkCQRSEvent SourcingJava1 API36.2Azure Event GridEventPub-SubServerless2 APIs36.2HoneybadgerError MonitoringException TrackingApplication Performance MonitoringUptime Monitoring1 API36.2StatuspageStatus PageIncident CommunicationIncident ManagementUptime1 API35.4Spring IntegrationAMQPEnterprise IntegrationIntegration Patterns2 APIs35.2Ansible Automation PlatformAutomationConfiguration ManagementDevOpsInfrastructure as Code8 APIs34.6Dropbox SigneSignatureElectronic SignatureDocument SigningWorkflow-Automation1 API34.6Apache EventMeshApacheCloudEventsMessaging1 API34.5Scalable ServicesAPI GatewayCloud-NativeContainersDistributed Systems1 API34.4Conductor OSSAgentic AIDurable ExecutionMicroservices1 API34.2TenderlyWeb3BlockchainSmart ContractsEthereum6 APIs32.9ScalabilityAuto ScalingCloud ComputingDevOpsDistributed Systems7 APIs32.8Scalable ArchitectureCloud ArchitectureCloud-NativeDistributed SystemsHigh Availability8 APIs32.8Wazotelephonyvoipunified-communicationsucaas25 APIs32.8SimCorp DimensionAccountingAsset ManagementComplianceData Distribution3 APIs32.1Scalable Software and SystemsAPI FirstArchitecture PatternsCQRSDistributed Systems1 API31.5Spring Cloud StreamApache KafkaAsyncAPIJava3 APIs30.7Vert.xFrameworksJavaJVM7 APIs30.7Apache KafkaDistributed SystemsEvent DrivenMessagingReal-Time5 APIs29.6AsyncAPILinux FoundationMessagingStandards1 API29.1Azure Event GridEventingEvent DrivenPub SubMessaging1 API28.9Northern TrustFortune 500BankingWealth ManagementAsset Servicing7 APIs27.9EventsEventEvent StreamingMessaging18 APIs27.3RestateAI AgentsDurable ExecutionDurable Workflows3 APIs26.8API SpecificationsAPI SpecificationsSpecification LanguagesAPI DesignContracts13 APIs26.7
Emerging 10 Early or largely undocumented
EventuateCQRSDistributed DataEvent Sourcing1 API24.9Netflix ConductorMicroservicesNetflixOpen-Source1 API24.9Apache OpenWhiskCloud-NativeFaaSServerless6 APIs23.9MassTransit.NETMessage BusMessaging1 API20.5Test SpecificationsAcceptance TestingContract TestingDocumentationOpenAPI8 APIs20.0UNIX System CallC-ApiIeee-1003KernelOpen-Group11 APIs17.5EZLynxInsuranceInsurTechComparative RatingAgency Management System5 APIs14.3DenticonDentalPractice ManagementHealthcareDSO7 APIs14.2Web MethodsCompanyIntegrationiPaaSAPI Management12.3Smile Digital HealthHealthcareFHIRHL7Clinical Data Repository11 APIs11.5
Minimal 2 Almost no public developer surface
Event-Driven ArchitectureArchitectureAsyncAPIAsynchronousCloudEvents6.4Reactive ProgrammingAsynchronousEvent DrivenReactive ProgrammingStreams4.1

APIs with this tag (53)

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 1 Complete, well-documented, and agent-ready
Salesforce Platform Events APISalesforce Platform Events enables event-driven integration architectures built on the Salesforce platform....82.5
Strong 8 Solid coverage with minor gaps
Azure Functions Runtime APIThe Azure Functions host runtime provides HTTP endpoints for function invocation, admin operations, host st...64.3Raygun Outbound WebhooksOutbound webhook surface that POSTs JSON events to a customer-configured HTTPS endpoint when error notifica...63.2Oracle Siebel Event Pub/Sub APIEvent-driven integration framework enabling real-time communication between Siebel CRM and external systems...61.7IBM Cloud FunctionsRun lightweight code that executes application logic in a scalable way using an event-driven serverless com...61.4Red Hat Event-Driven Ansible Controller APIREST API for the Event-Driven Ansible Controller enabling management of event sources, rulebook activations...60.0Fasten Connect WebhooksFasten Connect emits HMAC-verified webhook events to notify integrators of asynchronous operations such as ...59.7Amazon DynamoDB Streams APIAPI for capturing and processing change data from DynamoDB tables in near real-time, providing time-ordered...56.1Red Hat Build of Apicurio Registry APIREST API for managing schemas and API design artifacts in a schema registry, supporting formats including A...54.4
Developing 16 Usable, with meaningful gaps to close
Buildxact WebhooksBuildxact's webhook surface lets partner and customer integrations receive real-time notifications when eve...53.4Adobe I/O EventsAdobe I/O Events provides an event-driven webhook infrastructure for subscribing to changes across Adobe se...53.0Azure Web PubSub Client and Upstream EventsAsyncAPI 2.6 description of the Azure Web PubSub client WebSocket subprotocols (json.webpubsub.azure.v1 and...53.0TraceLink OPUS Platform Event APIThe OPUS Platform exposes one /api/events endpoint per environment. Every operation is a POST to that endpo...52.4Zilla GatewayZilla is a stateless, cloud-native multi-protocol edge and service proxy that enables seamless access to Ap...52.2ZillaBaseZillaBase is an event-driven backend framework for the next generation of web, mobile, and AI applications,...52.2Knative FunctionsKnative Functions enables developers to create, build, and deploy stateless, event-driven functions as Knat...51.5SAP Event Mesh APIMessaging APIs for event-driven architecture supporting AMQP, MQTT, and REST protocols.51.3Axway Amplify StreamsAxway Amplify Streams provides a real-time event streaming API platform enabling publishers to push data up...50.8Red Hat OpenShift Serverless (Knative) APIOpenShift Serverless, based on Knative, enables deploying and managing event-driven serverless workloads on...49.7Luciq WebhooksOutbound HTTP POST webhooks deliver Bugs, Crashes, and APM events to a customer-configured callback URL. Re...49.4Argo Events APIKubernetes-native API for the Argo Events event-driven automation framework. Exposes CRD-based resources in...48.7Azure Event GridAzure Event Grid is a highly scalable, fully managed publish-subscribe event distribution service. It enabl...48.0Workday Orchestrate APILow-code integration and automation platform for building event-driven and batch integrations using a visua...47.1Rollbar WebhooksRollbar supports outbound webhook notifications for real-time event-driven integrations. Webhooks deliver p...45.3KrakenD Async AgentThe KrakenD Async Agent enables event-driven API consumption by connecting KrakenD to message brokers and e...39.7
Thin 22 Limited public surface area
Honeybadger Outbound Webhook NotificationsOutbound webhook notification surface delivered by Honeybadger to subscriber URLs configured via Project Se...36.2Statuspage Webhook NotificationsOutbound webhook notifications Statuspage POSTs to subscriber endpoints for component status changes, incid...35.4Ansible Event-Driven Automation APIAPI for Event-Driven Ansible (EDA) Controller enabling management of rulebooks, activations, and event sour...34.6Dropbox Sign Events and Callbacks APIOutbound event / callback surface for Dropbox Sign. The platform POSTs JSON event payloads (wrapped in a `m...34.6Apache EventMesh Messaging APIEvent-driven messaging via TCP, HTTP, and gRPC protocols. Events follow the CloudEvents specification. Supp...34.5AWS Lambda APIAmazon Web Services Lambda API for creating, managing, invoking, and monitoring serverless functions. Core ...34.4Knative APIKnative provides Kubernetes-based platform APIs for deploying and scaling event-driven serverless workloads...34.4Tenderly Web3 Actions APIDeploy and manage serverless JavaScript/TypeScript functions triggered by on-chain or off-chain events, ena...32.9Apache Kafka REST Proxy APIThe Confluent REST Proxy provides a RESTful interface to an Apache Kafka cluster, making it easy to produce...32.8KEDA (Kubernetes Event-Driven Autoscaling) APIKEDA is a Kubernetes-based event-driven autoscaling component and CNCF graduate project. It provides fine-g...32.8RabbitMQ Management HTTP APIRabbitMQ is a widely-deployed open-source message broker implementing AMQP, MQTT, STOMP, and other messagin...32.8Wazo Websocket Event Stream (wazo-websocketd)WebSocket gateway onto the Wazo internal event bus. An authenticated client subscribes to named platform ev...32.8SimCorp Dimension Streaming APIReal-time streaming API for delivering live investment data, market updates and event-driven notifications ...32.1Apache Kafka Admin APIApache Kafka's Admin REST API enables creating and managing topics, partitions, consumer groups, and cluste...31.5CloudEvents APICloudEvents is a CNCF specification for describing event data in a common way. It defines a core data model...31.5Dapr APIDapr (Distributed Application Runtime) provides building block APIs for service invocation, pub/sub messagi...31.5NATS Management APINATS is a lightweight, high-performance messaging system for distributed applications. Its management API p...31.5Spring Cloud Stream Core APICore programmatic API for building message-driven microservice applications. Provides functional programmin...30.7Vert.x CoreThe core toolkit for building reactive, event-driven applications on the JVM. Provides the event loop, vert...30.7AsyncAPI SpecificationThe AsyncAPI Specification is an open standard for describing asynchronous and event-driven APIs. It provid...29.1Northern Trust Event Notification APIThe Event Notification service in the Northern Trust API Store lets registered clients subscribe to and rec...27.9AsyncAPI SpecificationAsyncAPI is the open standard for describing event-driven and message-driven APIs across protocols such as ...26.7
Emerging 6 Early or largely undocumented
MassTransit Messaging FrameworkMassTransit provides a consistent abstraction on top of message transports like RabbitMQ, Azure Service Bus...20.5AsyncAPI InitiativeAsyncAPI is an open specification standard for event-driven and message-based APIs. AsyncAPI documents defi...20.0I/O Multiplexing APISystem calls for monitoring multiple file descriptors for readiness, enabling event-driven and non-blocking...17.5EZLynx Events and Webhooks APIConsume EZLynx's event-driven layer - webhook notifications delivered in XML or JSON when platform data cha...14.3Denticon Events and Webhooks APIEvent-driven architecture that pushes synchronized patient and appointment updates to partner-registered we...14.2Smile CDR SubscriptionsFHIR Subscription (R4) and Subscription / SubscriptionTopic (R4B/R5 backport) support for push notification...11.5

Score breakdown

Frequency
53.6
log-scaled weighted occurrences
Breadth
2.2
spread across providers
Quality lift
47.2
mean composite of providers using it
Cohesion
13.9
strength of nearest seed neighbor

Related tags

Pub-Sub 14 co-occurrences Event Streaming 10 co-occurrences Serverless 22 co-occurrences CloudEvents 7 co-occurrences Kafka 8 co-occurrences AsyncAPI 8 co-occurrences Functions 8 co-occurrences API Management 9 co-occurrences

Where this tag comes from

Api tag54
Provider tag43

Cohort brief

Auto-generated

The 79 providers in the APIs.io catalog tagged Event-Driven, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
79
all scored
Mean Kin Score
39
+18.3 vs catalog 20.7
Mean Agent Readiness
21
+11.3 vs catalog 9.7
Spread
4.1–83.3
median 37.5 · σ 16.5
How the 79 split by band
Exemplar 4Strong 11Developing 23Thin 22Emerging 17Minimal 2
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 47.9 17.5 +30.4 79
Developer Ergonomics 37.9 17.9 +20 79
Operational Transparency 24.2 11.3 +12.9 79
Access Clarity 35.1 22.3 +12.8 79
Contract Governance 17.6 6.4 +11.2 79
Discoverability 69.5 60.4 +9.1 79

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) 19% 16% +3
MCP server (first-party) 8% 7% +1
Agent Skills 0% 0% 0
OAuth scopes 23% 9% +14
Security 95% 88% +7
Arazzo workflows 16% 2% +14
Governance rules 70% 13% +57

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 Salesforce 83.3
  2. 2 Svix 79.2
  3. 3 Virto Commerce 69.1
  4. 4 Oracle Siebel 67.1
  5. 5 Raygun 63.1
  6. 6 IBM 62.6
  7. 7 Inngest 59.7
  8. 8 Microsoft Azure Functions 59.5
  9. 9 Fasten Health 59.2
  10. 10 Red Hat 59.1
Top by Agent Readiness
  1. 1 Red Hat 52.3
  2. 2 Salesforce 52.2
  3. 3 Svix 49.9
  4. 4 IBM 39.4
  5. 5 Fasten Health 38.5
  6. 6 Virto Commerce 37.7
  7. 7 Amazon EventBridge Scheduler 37.1
  8. 8 SAP 35.8
  9. 9 Axway 32.7
  10. 10 Northern Trust 32.4
All 79 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

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MCP server

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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

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

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