established · 0.4 capability schema

gRPC

Score 26.4 / 100 89 providers +69 via APIs 150 APIs Search apis.io →

Providers using this tag (89)

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

Exemplar 1 Complete, well-documented, and agent-ready
Strong 10 Solid coverage with minor gaps
Developing 26 Usable, with meaningful gaps to close
KentikNetwork ObservabilityNetwork MonitoringFlow AnalyticsBGP20 APIs53.2EngineCompanyTravelBusiness TravelLodging2 APIs53.0bitdriftCompanyDeveloper ToolsObservabilityMobile1 API52.7ZenossAIOpsMonitoringObservabilityInfrastructure3 APIs51.6AlphausCompanyFinOpsCloud Cost ManagementCloud1 API51.1AGNTCYAI AgentsInteroperabilitySpecificationOpen Source4 APIs48.4AuthzedAuthorizationAccess ControlPermissionsZanzibar1 API48.3Dronecode FoundationDronesUAVRoboticsMAVLink4 APIs48.1Defakto SecuritySecurityIdentityNon-Human IdentityWorkload Identity2 APIs48.0LocalyticsCompanyMarTechMobile AnalyticsPush Notifications2 APIs47.6AgiBotCompanyRoboticsHumanoid RobotsEmbodied AI3 APIs47.1KurrentCompanyDatabaseEvent SourcingEvent Streaming1 API46.7Triton OneSolanaRPCBlockchainWeb33 APIs46.4LightstreamCompanyVideoLive StreamingBroadcasting3 APIs46.3HappyCoCompanyPropTechReal EstateProperty Management1 API46.0PicarroCompanyGas DetectionEnvironmental MonitoringEmissions4 APIs45.5SS&C TechnologiesFinancial ServicesInvestment ManagementFund AdministrationWealth Management2 APIs45.5Bear RoboticsRoboticsAutonomous Mobile RobotsFleet ManagementHospitality1 API45.0Polar SignalsCompanyEnterpriseObservabilityContinuous Profiling1 API44.5EngFlowCompanyRemote ExecutionRemote CachingBuild Systems1 API43.3Mysten LabsCompanyBlockchainWeb3Sui3 APIs42.9Envoy GatewayAPI GatewayCNCFEnvoyKubernetes3 APIs42.4Linq.ggCompanyGamingPaymentsWallets1 API41.6MomentoCompanyAI InfrastructureCachingServerless1 API40.8QuanergyCompanyLiDARSensorsPhysical Security1 API39.8Vapor IOCompanyEdge ComputingData CenterColocation2 APIs39.7
Thin 32 Limited public surface area
EinrideCompanySustainable TransportFreightLogistics2 APIs38.2TemporalDurable ExecutionWorkflow OrchestrationWorkflows1 API37.1The GuildAPI CompositionAPI GatewayAPI ObservabilityBreaking Change Detection10 APIs36.7AalyriaCompanyNetworkingSatelliteSpace4 APIs36.3PlakarCompanyBackupData ProtectionDisaster Recovery36.2OpenXAdvertisingProgrammatic AdvertisingAd ExchangeSupply Side Platform5 APIs36.0QpointCompanySecurityObservabilityeBPF1 API36.0ClarifaiArtificial IntelligenceComputer VisionNLPImage Recognition1 API35.4ProvableCompanySecurities LendingCapital MarketsFintech1 API35.1SpacemeshCompanyCrypto InfrastructureBlockchainCryptocurrency2 APIs34.7AI ArenaCompanyGamingWeb3Artificial Intelligence33.6ImandraCompanyArtificial IntelligenceAutomated ReasoningFormal Verification1 API33.4HailoArtificial IntelligenceMachine LearningSemiconductorsEdge Computing2 APIs33.3SuccinctCompanyCrypto InfrastructureZero-Knowledge ProofszkVM33.2CodeCompanyPaymentsMicropaymentsWallets1 API33.1Science CorporationCompanyNeurotechnologyBrain-Computer InterfaceNeural Interface1 API33.1ToitCompanySoftware-as-a-ServiceIoTEmbedded32.9TailcallGraphQLAPI GatewayGraphQL RuntimeREST2 APIs31.9CrestaArtificial IntelligenceContact CenterContact Center AICCaaS1 API31.7TimberCompanyDeveloper ToolsObservabilityLogs1 API31.6Unto LabsCompanyCryptoBlockchainLayer 12 APIs31.2Harmonic GGCompanyBlockchainSolanaBlock Building2 APIs29.8Apache ArrowAnalyticsApacheColumnar FormatData3 APIs29.4KratosCloud-NativeFrameworkGo1 API29.3ContainerdCloud-NativeContainer RuntimeCRIDocker1 API29.0ProvenanceCompanyBlockchainFinancial ServicesTokenization1 API28.8RefurbedCompanyMarketplaceE-CommerceRefurbished Electronics4 APIs28.5HYPERLABSsignal-integrityTest and MeasurementElectronic ComponentsInstrumentation1 API28.3CloudMindsCompanyFrontier TechRoboticsCloud Robotics1 API26.9Mythical GamesCompanyGamingWeb3Blockchain1 API26.6PachydermCompanyMLOpsData VersioningData Pipeline1 API26.5XilinxFortune 1000SemiconductorsFPGAProgrammable Logic26.3
Emerging 15 Early or largely undocumented
Minimal 5 Almost no public developer surface

APIs with this tag (150)

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 5 Complete, well-documented, and agent-ready
Strong 10 Solid coverage with minor gaps
Developing 53 Usable, with meaningful gaps to close
Rigetti QCS Controller Service (gRPC)gRPC Controller service that executes encrypted Controller Jobs on a Rigetti QPU endpoint and returns measu...53.3Rigetti QCS Translation Service (gRPC)gRPC Translation service that compiles native Quil programs into encrypted Controller Jobs for execution on...53.3bitdrift Public APIThe bitdrift Capture public API — schema-first protobuf service definitions exposed over gRPC, Connect, and...52.7Antimetal Agent APIs (Protobuf)Public protobuf/Connect definitions for the Antimetal system agent — the component that connects customer i...52.4Kaiko StreamReal-time crypto market data delivered over gRPC server-streaming. Feeds include tick-level trades, top-of-...52.4Bruno API ClientBruno is an open-source API client for exploring and testing REST, GraphQL, and gRPC APIs. Collections are ...51.9Bruno API ClientThe core open-source, git-native desktop API client (a lightweight Postman/Insomnia alternative). Compose a...51.9Zenoss Cloud gRPC ServicesFirst-party proto3 service contracts published at github.com/zenoss/zenoss-protobufs and released as a Go m...51.6Agentic RTB Framework gRPCThe Agentic Real-Time Framework (ARTF) 1.0 defines gRPC extension points an exchange calls during an auctio...50.2etcd gRPC APIThe etcd v3 API is a gRPC-based interface providing key-value operations (put, get, delete, range), watch s...49.90G DA (Data Availability) gRPCgRPC surface for the 0G data-availability layer. The Disperser service accepts blobs asynchronously (Disper...48.7Agent Directory (DIR)Distributed announce and discovery of multi-agent systems. gRPC-first, with services for storage (content-a...48.4MAVSDK gRPC APIMAVSDK is the Dronecode Foundation's programmable interface to any MAVLink vehicle, and the only surface in...48.1Defakto Management APIThe Defakto control-plane API. A gRPC service surface of sixteen versioned services covering trust domains,...48.0SPIRL Management API (legacy)The pre-rebrand SPIRL control-plane endpoint, still documented and still serving the legacy app.spirl.com c...48.0Akash Chain Node (gRPC / REST / RPC)Direct access to the Akash Cosmos-SDK chain over gRPC, REST (LCD), and Tendermint RPC. Used to query state,...47.5Luther Platform Protobuf ContractsBuf-managed Protocol Buffers published at github.com/luthersystems/protos (module buf.build/luthersystems/p...47.5AimDK Protocol (Link-U OS Robot Interface)The AimDK protocol is AgiBot's first-party Protocol Buffers definition of its robots' interfaces, published...47.1Telia ACE Audio Stream Forwarding APIBidirectional streaming gRPC service over HTTP/2 that forwards copies of the audio streams in Telia ACE con...46.8KurrentDB gRPC APIThe primary protocol for KurrentDB. The published protocol buffer definitions cover the v2 streams service ...46.7RegScale gRPC Ingestion ServicesRegScale publishes a gRPC contract library, rs-data, covering three high-volume ingestion services: AssetIn...46.5Triton One Yellowstone gRPC (Dragon's Mouth)Dragon's Mouth — Triton's high-performance Solana streaming gRPC service. Subscribe to slots, blocks, trans...46.4Arango Managed Platform (AMP) APIThe control-plane API of the Arango Managed Platform (formerly ArangoGraph Insights Platform / Oasis) — the...46.3HappyCo API (Happy API)HappyCo's gRPC API for property inspections, reports, templates, accounts, users, partner account provision...46.0Bazel Remote Execution APIBazel speaks the open Remote Execution API (REAPI), a gRPC protocol for content-addressable storage and dis...45.9Picarro Edge — SAM FOUP gRPC APIThe first-party gRPC/ProtoBuf interface Picarro publishes for external access to Picarro SAM (semiconductor...45.5Picarro Platform Server APIThe gRPC interface to the host computer underneath a Picarro SAM deployment. `platformserver` exposes NetCo...45.5Contour ExtensionService APIKubernetes Custom Resource Definition for binding gRPC-based extension services to the Contour API. Extensi...45.2Bear Base APIThe on-robot gRPC service for direct local control of a Bear robot, used where the cloud is not in the path...45.0Cerbos PDP gRPC APIThe Cerbos PDP gRPC API exposes the cerbos.svc.v1.CerbosService and related management services on port 359...44.1Envoy xDS APIsThe xDS (x Discovery Service) APIs provide dynamic configuration for Envoy proxies via a management server,...44.0Hubble Relay APIThe Hubble Relay API is a gRPC service that aggregates and relays network flow data from multiple Hubble ag...43.9Starlink Local Device APISpaceX's officially supported local gRPC API on Starlink hardware, defined in protobuf and published verbat...43.3Pocket Network Shannon Chain APICosmos SDK-based REST and gRPC API for interacting with the Pocket Network Shannon protocol chain. Provides...43.1QUODD Snap gRPC APIgRPC delivery of pricing snapshots (Snap) and ticker information (Ticker Info) for high-performance, low-ov...43.1Sui gRPC APIThe Sui full-node gRPC API (Protobuf, sui.rpc.v2) exposing LedgerService, StateService, TransactionExecutio...42.9Jito Block Engine Validator gRPCgRPC interface between Jito-Solana validators / relayers and the Block Engine — BlockEngineValidator with S...42.7Jito Relayer gRPCRelayer gRPC service that sits in front of a Jito-Solana validator, exposing GetTpuConfigs and SubscribePac...42.7Jito Searcher gRPC ServicegRPC SearcherService exposing SubscribeBundleResults, SendBundle, GetNextScheduledLeader, GetConnectedLeade...42.7Jito Streaming SurfacesReal-time streaming surfaces from Jito infrastructure — the wss tip_stream for continuous bundle-tip percen...42.7Envoy Gateway Extension ServerA gRPC contract an operator implements to extend Envoy Gateway. Envoy Gateway is the client: during xDS tra...42.4Envoy Gateway Remote Infrastructure ProviderA gRPC contract added in v1.9.0 that lets an operator supply their own infrastructure management strategy i...42.4Rentberry Geocoder (gRPC)Open-source gRPC geocoding and timezone-lookup service Rentberry built and runs for its own property search...42.2LinQ Wallet Public APIgRPC / Protocol Buffers API for integrating a game with LinQ Wallet services. Covers geo restriction checks...41.6Cisco NX-OS gNMI/gRPC APIgRPC Network Management Interface for streaming telemetry and configuration management on Nexus switches.40.7SPIRE Server APIThe SPIRE Server exposes a gRPC API used by administrators and the SPIRE Agent to manage registration entri...40.7SPIRE Workload APIThe SPIRE Agent exposes the SPIFFE Workload API as a Unix domain socket, allowing workloads running on the ...40.7Sora APIgRPC service for collecting, storing and analysing device location time series. DeviceService (5 RPCs) take...40.6Milvus gRPC APIgRPC is the canonical, high-throughput interface to Milvus. The official SDKs are gRPC-based; the REST API ...40.0OpenSCOW / CraneSched research-computing APIsOpenSCOW ("Super Computing On Web") is an HPC portal and management system authored at Peking University; C...39.9QORTEX DTC APIThe QORTEX DTC API is the integration surface of Quanergy's detect-track-classify perception server. A gRPC...39.8OpenTelemetry Protocol (OTLP) gRPC APIThe OTLP gRPC API defines Protocol Buffers service definitions for exporting traces, metrics, and logs over...39.7Synse Plugin gRPC API (V3Plugin)The internal gRPC API for bi-directional communication between Synse Server and Synse plugins. The publishe...39.7
Thin 58 Limited public surface area
Cassandra gRPC API (Stargate)High-performance gRPC API for Cassandra through Stargate, designed for low-latency service-to-service commu...38.0CRI-O CRI gRPC APICRI-O implements the Kubernetes Container Runtime Interface (CRI) gRPC API that the kubelet uses to manage ...37.9Vitess VTCtld APIVTCtld is the Vitess topology management daemon that exposes a gRPC and HTTP API for administrative operati...37.8Vitess VTGate APIVTGate is the stateless proxy that routes queries to the appropriate VTTablet instances. It exposes a MySQL...37.8Seldon Inference APIThe Seldon Inference API provides REST and gRPC endpoints for serving machine learning model predictions at...37.6Triton GRPC APIHigh-performance gRPC API for model inference with support for streaming and binary tensor data.37.6Envoy Proxy External Authorization APIThe Envoy External Authorization API provides a gRPC or HTTP interface for delegating authorization decisio...37.2Envoy Proxy External Processing APIThe Envoy External Processing API is a gRPC-based service that enables an external server to inspect and mo...37.2Envoy Proxy gRPC Access Log Service APIThe Envoy gRPC Access Log Service (ALS) API provides a streaming gRPC interface for receiving access log en...37.2Envoy Proxy Health Discovery Service APIThe Envoy Health Discovery Service (HDS) is a gRPC-based API that enables a management server to instruct E...37.2Envoy Proxy Metrics Service APIThe Envoy Metrics Service API is a gRPC-based interface for streaming Envoy's statistics and metrics to a r...37.2Envoy Proxy Rate Limit Service APIThe Envoy Rate Limit Service (RLS) is a gRPC-based API that allows Envoy to delegate rate limiting decision...37.2Envoy Proxy Tap Service APIThe Envoy Tap Service API provides a mechanism for intercepting and recording HTTP and TCP traffic passing ...37.2Linkerd Proxy Control Plane APIThe Linkerd Proxy Control Plane gRPC API defines the protobuf service contracts used by the data-plane prox...37.0Falco gRPC APIThe Falco gRPC API provided a streaming interface for consuming Falco alert outputs and querying version in...36.8Spacetime Federation API (East-West Interface)The Federation API, or East-West Interface, allows peer networks to request and to supply network resources...36.3Spacetime Northbound Interface (NBI)The Northbound Interface allows humans or applications to define and orchestrate a Spacetime network. It ca...36.3Spacetime Southbound Interface (SBI / CDPI)The Southbound Interface, also called the Control to Data-plane Interface (CDPI), is the collection of gRPC...36.3Spacetime Status APIThe Status API is a small operational gRPC service exposed by every Spacetime instance. GetVersion returns ...36.3Anduril Lattice SDKThe Lattice SDK provides programmatic access to Anduril's Lattice platform so partners can publish entities...36.2OpenMLDB Cluster RPC ServicesThe Protobuf/brpc service contracts behind an OpenMLDB cluster — TabletServer, NameServer, TaskManager, the...36.0OpenXBuild Real-Time Bidstream APIAn inverted API — OpenX is the caller. A partner implements an enrichment service that OpenX hosts as a con...36.0QuickNode Core RPC APIMulti-chain JSON-RPC, REST, and gRPC endpoints across 77+ blockchains (Ethereum, Solana, Polygon, Arbitrum,...34.8XMTP Network gRPC APICore gRPC-based API for the XMTP decentralized messaging network. Provides operations for sending and retri...34.7Jaeger Collector APIThe Jaeger Collector API receives trace spans from instrumented applications and SDKs. Since Jaeger v1.11 t...34.0Jaeger Remote Sampling APIThe Jaeger Remote Sampling API provides HTTP and gRPC endpoints that SDKs use to retrieve sampling strategi...34.0Jaeger Remote Storage APIThe Jaeger Remote Storage API is a gRPC-based interface that allows extending Jaeger with custom storage ba...34.0ImandraX APIThe ImandraX cloud-native automated reasoning engine, exposed as a protobuf-defined gRPC API. Services incl...33.4Hailo Media Library ServiceThe Hailo Media Library is the C++ media and vision stack for the Hailo-15 AI vision processor. It exposes ...33.3Code Protobuf APIThe Code payments gRPC/Protobuf API — account, currency, messaging, and transaction (intent/swap) services ...33.1Akka gRPCAkka gRPC provides support for building streaming gRPC servers and clients on top of Akka Streams, with cod...32.9Towns ProtocolTowns Protocol is an open, decentralized messaging protocol built on Base. Builders integrate via first-par...32.8Bitquery Solana CoreCast (gRPC)gRPC streaming API for Solana that delivers decoded block, transaction, and instruction data with sub-secon...32.3Helius LaserStreamLow-latency gRPC streaming of Solana account, slot, transaction, and block updates (Geyser-compatible).32.0Vert.x gRPCA Vert.x-native gRPC implementation providing a reactive, non-blocking gRPC client and server built on top ...32.0BandChain gRPC APIThe BandChain gRPC API provides high-performance protocol buffer access to BandChain nodes for querying ora...31.9PyBand Python SDKPyBand is a Python SDK that offers a comprehensive set of features for interacting with BandChain via gRPC....31.9Tailcall GraphQL RuntimeHigh-performance GraphQL runtime for composing multiple upstream REST, gRPC, and GraphQL APIs into a unifie...31.9Cresta Platform APICresta's production API host. https://api.cresta.com resolves and answers anonymously with a gRPC-JSON tran...31.7SPIFFE Workload APIThe SPIFFE Workload API is a gRPC streaming interface through which workloads request and receive SPIFFE Ve...31.4Thru gRPC APIHigh-performance proto3 gRPC API (with gRPC-Web for browsers) for the Thru blockchain. QueryService exposes...31.2TypeSpec Protobuf EmitterEmits Protocol Buffer `.proto` files from TypeSpec service definitions, enabling gRPC service generation fr...31.1Mango OPI Storage Bridge gRPC APIMangoBoost ships an Open Programmable Infrastructure (OPI) gRPC bridge that translates standard OPI storage...30.7Harmonic Searcher API (gRPC)gRPC bundle-submission interface for searchers. Authenticate with a Solana keypair (challenge-response to B...29.8Harmonic Validator API (gRPC)gRPC services the Harmonic validator clients (Salsa/Samba) use to bind to a block builder: subscribe to pac...29.8Apache Arrow Flight RPCArrow Flight is a high-performance RPC framework built on gRPC for transferring large datasets using the Ar...29.4KratosKratos is a Go framework for building cloud-native microservices, originally created at Bilibili. It provid...29.3Containerd gRPC APICore gRPC API for managing the full container lifecycle including containers, images, content, snapshots, n...29.0Apache Beam Job Service APIThe Beam Job Service API provides a gRPC-based interface for submitting, managing, and monitoring Apache Be...28.9Provenance Blockchain APIPublic Cosmos SDK REST (LCD / gRPC-gateway), gRPC, and Tendermint RPC interface to the Provenance Blockchai...28.8HYPERLABS Radium gRPC API (TDR11100)Public gRPC control and acquisition interface for the HYPERLABS TDR11100 Time Domain Reflectometer. The pro...28.3Lightwalletd gRPC APIA bandwidth-efficient gRPC service that provides a compact block streaming interface to the Zcash blockchai...28.2PyAnsysOpen-source Python ecosystem for Ansys products. The pyansys metapackage bundles 45+ libraries including Py...27.1HARIX Robot Skill API (gRPC)The gRPC surface a HARIX skill application uses to drive a CloudMinds cloud robot and to consume HARIX clou...26.9FirehoseOpen-source flat-file extraction layer that powers Substreams. Provides chain-specific gRPC streams of bloc...26.8The Graph SubstreamsgRPC streaming protocol for parallelized blockchain dataflows backed by Firehose. Substreams power high-thr...26.8Pachyderm gRPC APIPachyderm's platform API, exposed over gRPC/protobuf. Core services are PFS (data versioning — repos, commi...26.5Kestrel Kubernetes OperatorThe Kestrel Kubernetes Operator is an open-source Go-based operator that connects Kubernetes clusters to th...26.3
Emerging 21 Early or largely undocumented
Protocol BuffersProtocol Buffers (Protobuf) is Google's language-neutral, platform-neutral, extensible mechanism for serial...26.0StellarStation APIPublic gRPC API for the StellarStation ground-station-as-a-service platform. Lets satellite operators list ...25.8Boston Dynamics Spot SDKThe Spot SDK is an open-source SDK for developing applications and payloads for the Spot quadruped robot. B...25.4Nuance Mix ASRaaS gRPC APIAutomatic Speech Recognition as a Service — convert speech to text in real time over a gRPC streaming API (...25.1Nuance Mix DLGaaS gRPC APIDialog as a Service — execute conversational dialog flows authored in Mix.dialog over a gRPC Dialog service.25.1Nuance Mix NLUaaS gRPC APINatural Language Understanding as a Service — interpret user input against NLU models built in Mix.nlu, ove...25.1Nuance Mix NRaaS gRPC APIGrammar-based recognition as a Service — grammar-driven speech recognition over a gRPC runtime service.25.1Nuance Mix TTSaaS gRPC APIText-to-Speech as a Service — turn text into synthesized speech (including neural voices) over a gRPC Synth...25.1Apache SkyWalking gRPC Data Collect ProtocolThe SkyWalking data collection protocol defines gRPC service definitions for telemetry data ingestion from ...22.6Tekton Results APITekton Results provides a long-term store and a gRPC + REST API for completed PipelineRun/TaskRun records a...22.3Dash Platform DAPI (Decentralized API)Decentralized HTTP API exposing gRPC and JSON-RPC endpoints for both Dash Core layer 1 and Dash Platform la...20.7Dex gRPC APIgRPC management API for Dex covering OAuth2 client lifecycle (Create, Get, Update, Delete, List), password ...19.7EigenDA Churner APIgRPC service that handles operator registration via the Churn RPC. The Churner decides whether new operator...18.5EigenDA Disperser APIgRPC API exposed by the EigenDA Disperser. Rollups submit raw blobs to DisperseBlob, then poll GetBlobStatu...18.5EigenDA Relay APIgRPC service exposing GetBlob, GetChunks, and GetValidatorChunks against blobs stored by the relay layer. R...18.5EigenDA Retriever APIgRPC service that fans out chunk requests to EigenDA operator nodes and reconstructs the original blob from...18.5EigenDA Validator Node APIgRPC API served by EigenDA operator nodes. Validators receive chunk dispersals from the Disperser, sign agg...18.5YaakYaak is an open-source desktop API client for organizing and executing REST, GraphQL, WebSockets, Server Se...15.4VOLTHAVOLTHA (Virtual Optical Line Termination Hardware Abstraction) is an open source platform that virtualizes ...13.4KreyaKreya is a GUI client for gRPC and REST APIs with innovative features for environments, authorizations, and...11.5Grpcurlgrpcurl is an open source command-line tool for interacting with gRPC servers, like curl for gRPC with supp...11.3
Minimal 3 Almost no public developer surface

Companies reaching this through an API (69)

These companies publish an API, specification or operation carrying “gRPC” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

0G Labs 4Paradigm Akash Network Akka Anduril Industries Ansys Antimetal Apache Beam Apache Cassandra Apache SkyWalking ArangoDB Band Protocol Bazel Bitquery Bruno Cerbos Cilium Cisco Nexus Dashboard ClickHouse Contour CRI-O Dash Decart Envoy Envoy Proxy Etcd Falco Helius Here Not There Labs IAB Tech Lab Jaeger Jito Labs Juniper Networks Kaiko Kestrel LF Broadband Linkerd Luther Systems MangoBoost Milvus OpenTelemetry Peking University Pocket Network Qlik Sense QuickNode QUODD RegScale Rentberry Rigetti Computing Salesforce
Show all 69 companies ↓

Score breakdown

Frequency
63.8
log-scaled weighted occurrences
Breadth
2.3
spread across providers
Quality lift
44.4
mean composite of providers using it
Cohesion
6.7
strength of nearest seed neighbor

Related tags

Protobuf 22 co-occurrences Protocol Buffers 18 co-occurrences Cloud-Native 17 co-occurrences RPC 10 co-occurrences Streaming 32 co-occurrences Kubernetes 22 co-occurrences Observability 26 co-occurrences HTTP 10 co-occurrences

Where this tag comes from

Api tag150
Provider tag89
Openapi tag1
Openapi op tag1

Cohort brief

Auto-generated

The 89 providers in the APIs.io catalog tagged gRPC, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
89
all scored
Mean Kin Score
36.1
+13.2 vs catalog 22.9
Mean Agent Readiness
20.4
+8.5 vs catalog 11.9
Spread
0–79.6
median 35.4 · σ 16
How the 89 split by band
Exemplar 1Strong 10Developing 26Thin 32Emerging 15Minimal 5
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 51.2 23.2 +28 89
Operational Transparency 27.5 13.7 +13.8 89
Contract Quality 31.3 17.6 +13.7 89
Discoverability 65.6 58.1 +7.5 89
Contract Governance 8 6.3 +1.7 89
Access Clarity 28.2 26.5 +1.7 89

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) 20% 14% +6
MCP server (first-party) 18% 12% +6
Agent Skills 0% 0% 0
OAuth scopes 10% 11% -1
Security 96% 98% -2
Arazzo workflows 2% 2% 0
Governance rules 13% 14% -1

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 Postman 79.6
  2. 2 Heroic Labs 66.3
  3. 3 Buf 65.3
  4. 4 Gravitee 65.2
  5. 5 Stack Moxie 64.5
  6. 6 Viam 60.2
  7. 7 Aptos 57.8
  8. 8 Actionpower 57.3
  9. 9 Sift Stack 56.9
  10. 10 Nord Security 56.4
Top by Agent Readiness
  1. 1 Postman 54.9
  2. 2 Buf 49.2
  3. 3 Mysten Labs 48.6
  4. 4 Nord Security 43.5
  5. 5 Kurrent 43.4
  6. 6 Polar Signals 41.2
  7. 7 OpenX 40.5
  8. 8 AGNTCY 39.2
  9. 9 Tailor 38.3
  10. 10 Sift Stack 37.2
All 89 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 5 October 2026, across 29093 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.

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Tools for tags

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  • 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.
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