emerging · -0.3 capability schema

RPC

Score 21.5 / 100 27 providers +23 via APIs 39 APIs Search apis.io →

Providers using this tag (27)

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

Strong 2 Solid coverage with minor gaps
ChainstackBlockchainMulti-ChainNode Infrastructure25 APIs59.6Pocket NetworkWeb3BlockchainDecentralized Infrastructure3 APIs55.5
Developing 7 Usable, with meaningful gaps to close
Triton OneSolanaBlockchainWeb33 APIs46.4tRPCAPI CompositionAPI FrameworkBFFEnd-to-End Type Safety1 API45.3BlockdaemonBlockchainWeb3StakingValidator11 APIs44.8gRPCCNCFHTTP/2MicroservicesProtocol Buffers1 API43.9Pocket NetworkBlockchainDecentralizedWeb33 APIs43.1Apache DubboApacheGoJavaMicroservices1 API42.9InfStonesCompanyBlockchainNode InfrastructureStaking1 API39.6
Thin 10 Limited public surface area
SyndicaSolanaBlockchainWeb34 APIs36.4QuickNodeWeb3BlockchainStreams3 APIs34.8Apache ThriftCode GenerationCross-LanguageIDL2 APIs34.0HeliusWeb3BlockchainSolana1 API32.0ReownWeb3WalletsWalletConnectAppKit1 API31.0AlchemyWeb3BlockchainNFT12 APIs30.1InfuraWeb3BlockchainInfrastructure1 API29.7TatumWeb3BlockchainMulti-Chain1 API29.01inchDeFiDEX AggregatorSwapLimit Orders15 APIs27.0Iron FishBlockchainCryptocurrencyPrivacyZero Knowledge1 API27.0
Emerging 8 Early or largely undocumented
Apache ThriftApacheCode GenerationCross-LanguageOpen Source1 API25.0KitexFrameworkGoHigh PerformanceMicroservices1 API23.1TwirpProtocol BuffersGoSDK1 API22.4NamekoAMQPDependency InjectionFrameworkMicroservices1 API18.1GoldskyBlockchain DataIndexerSubgraphChange Data Capture8 APIs17.4Connect-RPCApache 2.0BufCode GenerationConnect Protocol5 APIs15.0Cap'n ProtoBinary FormatCapability-Based SecurityCode GenerationIPC5 APIs14.1Go MicroDistributed SystemsFrameworkGoGolang1 API12.5

APIs with this tag (39)

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
Matomo Reporting API (index.php entrypoint)The single /index.php dispatch entrypoint through which every Matomo Reporting API method is invoked, by su...70.0
Strong 2 Solid coverage with minor gaps
Heroic Labs Rpc APIThe Rpc API from Heroic Labs — 131 operation(s) for rpc.66.3Juniper Networks RPC APIExecute Junos RPC commands59.7
Developing 14 Usable, with meaningful gaps to close
Golioth Remote Procedure Call (RPC)Bidirectional remote-procedure-call service. The cloud invokes device-side methods registered by firmware a...48.0Stellar RPC APIThe Stellar RPC API (formerly Soroban RPC) is a JSON-RPC interface for interacting with Soroban smart contr...47.6Akash Chain Node (gRPC / REST / RPC)Direct access to the Akash Cosmos-SDK chain over gRPC, REST (LCD), and Tendermint RPC. Used to query state,...47.5Horizon Blockchain Games Rpc APIThe Rpc API from Horizon Blockchain Games — 32 operation(s) for rpc.46.0AT Protocol XRPC APIXRPC is the AT Protocol's HTTP-based remote procedure call layer. All protocol interactions — querying reco...45.0Blockdaemon RPC APIProduction-ready shared and dedicated JSON-RPC and REST node endpoints across 50+ protocols including Bitco...44.8gRPC Core FrameworkThe gRPC core framework defines the RPC protocol, service definition format using Protocol Buffers, and the...43.9Avalanche RPC APIRemote procedure calls for Avalanche Platform Chain operations including UTXO queries, transaction submissi...43.7Cubist RPC APIThe RPC API from Cubist — 1 operation(s) for rpc.43.3Apache Dubbo Go SDKThe Go implementation of Apache Dubbo, providing the same RPC framework capabilities including service disc...42.9Apache Dubbo Java SDKThe core Apache Dubbo Java framework providing RPC service definition, publishing, invocation, and service ...42.9Supabase RPC APIInvoke PostgreSQL functions via remote procedure calls.42.9Nakama RPC APICall custom runtime functions.41.2Sequence Rpc APIThe Rpc API from Sequence — 32 operation(s) for rpc.39.8
Thin 14 Limited public surface area
Routescan Geth/Parity Proxy APIEthereum JSON-RPC compatible proxy endpoints for standard methods including eth_blockNumber, eth_getBlockBy...39.2Filebase IPFS RPC APIThe Filebase IPFS RPC API exposes core IPFS daemon functionality through an HTTP interface. Bucket-specific...38.3Temporal Nexus APITemporal Nexus connects Temporal applications across namespaces and teams via named Nexus endpoints backed ...37.1Syndica Sig Validator RPC APISig is Syndica's open-source Solana validator client implemented in Zig, built for performance, modular RPC...36.4Syndica Solana RPC (HTTP) APIHigh-performance Solana JSON-RPC HTTP endpoints served from a fault-tolerant elastic-node architecture acro...36.4Syndica Solana RPC (WebSocket) APIStandard Solana RPC PubSub WebSocket service supporting accountSubscribe, programSubscribe, signatureSubscr...36.4Apache Thrift IDLThe Thrift Interface Definition Language (IDL) is used to define data types and service interfaces in a lan...34.0Apache Thrift Server APIThe Thrift Server API provides server implementations for hosting Thrift services including TSimpleServer (...34.0Monad RPC ProvidersRegistry of third-party RPC providers supporting Monad — QuickNode, Alchemy, Goldsky Edge, Ankr, MonadInfra...33.9GMX TypeScript SDKOfficial @gmx-io/sdk package shipping two clients: GmxSdk (SDK v1) for full read/write access via RPC, and ...33.0Zora Network RPC APIJSON-RPC access to the Zora Network L2 chain (Chain ID 7777777), an OP Stack rollup on Ethereum. Compatible...31.4Apache Arrow Flight RPCArrow Flight is a high-performance RPC framework built on gRPC for transferring large datasets using the Ar...29.4Foundation Smart Contract APIEthereum smart contract interface for direct on-chain interaction with Foundation marketplace contracts. Su...28.81inch Web3 RPC APIHosted JSON-RPC endpoints for 14+ EVM and non-EVM networks, exposed through the 1inch API key for unified r...27.0
Emerging 8 Early or largely undocumented
Apache TVM RPC APIThe TVM RPC (Remote Procedure Call) system enables remote compilation, deployment, and profiling of optimiz...25.2Apache ThriftApache Thrift is a lightweight, language-independent software stack for point-to-point RPC implementation. ...25.05ireChain Native (Substrate) RPCSubstrate/Polkadot-SDK RPC surface of the 5ireChain node, reached over WebSocket (default port 9944) and co...23.3KitexKitex is a high-performance, extensible RPC framework for building microservices in Go, developed by ByteDa...23.1Twirp RPC FrameworkTwirp is a simple RPC framework with protobuf service definitions. Define your service in a .proto file and...22.4NamekoNameko is a microservices framework for Python that provides tools for building, testing, and running servi...18.1Cap'n Proto RPC ProtocolCap'n Proto's RPC protocol is a capability-based RPC layer that supports promise pipelining, object referen...14.1Go MicroGo Micro is a distributed systems framework for building microservices in Go, providing service discovery, ...12.5

Companies reaching this through an API (23)

These companies publish an API, specification or operation carrying “RPC” 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.

5ire Akash Network Apache Arrow Apache TVM AT Protocol Avalanche Cubist Filebase Foundation GMX Golioth Heroic Labs Horizon Blockchain Games Juniper Networks Matomo Monad Nakama Routescan (Snowtrace) Sequence Stellar Supabase Temporal Zora

Score breakdown

Frequency
49.3
log-scaled weighted occurrences
Breadth
0.7
spread across providers
Quality lift
40.1
mean composite of providers using it
Cohesion
6.6
strength of nearest seed neighbor

Related tags

Multi-Chain 8 co-occurrences JSON-RPC 16 co-occurrences Validator 7 co-occurrences Staking 8 co-occurrences NFT 11 co-occurrences Go 6 co-occurrences gRPC 10 co-occurrences Web3 28 co-occurrences

Where this tag comes from

Provider tag27
Api tag39
Openapi tag3
Openapi op tag4

Cohort brief

Auto-generated

The 27 providers in the APIs.io catalog tagged RPC, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
27
all scored
Mean Kin Score
32.6
+9.7 vs catalog 22.9
Mean Agent Readiness
15.8
+3.9 vs catalog 11.9
Spread
12.5–59.6
median 31 · σ 12.2
How the 27 split by band
Exemplar 0Strong 2Developing 7Thin 10Emerging 8Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 32.8 17.6 +15.2 27
Operational Transparency 25.9 13.7 +12.2 27
Developer Ergonomics 32.9 23.2 +9.7 27
Discoverability 65.2 58.1 +7.1 27
Contract Governance 12.8 6.3 +6.5 27
Access Clarity 28 26.5 +1.5 27

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) 11% 14% -3
MCP server (first-party) 11% 12% -1
Agent Skills 0% 0% 0
OAuth scopes 0% 11% -11
Security 93% 98% -5
Arazzo workflows 4% 2% +2
Governance rules 74% 14% +60

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 Chainstack 59.6
  2. 2 Pocket Network 55.5
  3. 3 Triton One 46.4
  4. 4 tRPC 45.3
  5. 5 Blockdaemon 44.8
  6. 6 gRPC 43.9
  7. 7 Pocket Network 43.1
  8. 8 Apache Dubbo 42.9
  9. 9 InfStones 39.6
  10. 10 Syndica 36.4
Top by Agent Readiness
  1. 1 Alchemy 38.4
  2. 2 Chainstack 30.9
  3. 3 Helius 30.7
  4. 4 Infura 24
  5. 5 Tatum 23.2
  6. 6 Apache Dubbo 23
  7. 7 Pocket Network 22.3
  8. 8 Triton One 22.3
  9. 9 tRPC 22.3
  10. 10 Pocket Network 22.3
All 27 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.

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

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

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.