established · 1.4

JSON-RPC

Score 26.5 / 100 107 providers 149 APIs Search apis.io →
Variants seen in the corpus: JSON-RPCJSONRPCjson-rpc

Providers using this tag (107)

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

Strong 2 Solid coverage with minor gaps
NutshellCRMSalesPipeline ManagementEmail Marketing27 APIs60.8Coda PaymentsCompanyPaymentsMerchant of RecordGaming4 APIs57.1
Developing 17 Usable, with meaningful gaps to close
Ava LabsCompanyCryptoBlockchainAvalanche28 APIs54.20G LabsArtificial IntelligenceAI InferenceLLMGPU Compute9 APIs51.2KusamaCompanyCryptoBlockchainWeb321 APIs48.9SharpSpringCompanyMarketingMarketing AutomationCRM1 API48.4BlockdaemonBlockchainWeb3StakingValidators11 APIs47.0LineaBlockchainEthereumLayer 2zkEVM4 APIs47.0ZircuitCompanyCryptoBlockchainLayer 22 APIs45.1DeribitDerivativesCryptocurrencyBitcoinEthereum19 APIs44.6Mysten LabsCompanyBlockchainWeb3Sui3 APIs44.1Gunzilla GamesCompanyGamingBlockchainWeb32 APIs43.9ConsensysCompanyInfrastructureBlockchainEthereum1 API43.7Routescan (Snowtrace)BlockchainExplorerAvalancheEVM17 APIs41.9ArbitrumLayer 2EthereumRollup10 APIs41.6TendermintCompanyInfrastructureBlockchainConsensus5 APIs41.6ThunderCoreCompanyCryptoBlockchainEVM4 APIs41.2InfStonesCompanyBlockchainNode InfrastructureStaking1 API40.4BetfairBetting ExchangeSports BettingWageringTrading7 APIs39.6
Thin 58 Limited public surface area
MonadBlockchainLayer 1EVMHigh Performance13 APIs39.0StarkwareCompanyBlockchainEthereumLayer 24 APIs38.9NervosCompanyCrypto Web3BlockchainLayer 11 API38.7FlashbotsMEVEthereumBlockchain7 APIs38.5UniblockBlockchainWeb37 APIs37.8OptimismLayer 2EthereumOP StackSuperchain10 APIs37.7BlastBlockchainLayer 2EthereumEVM9 APIs37.6HyperliquidDeFiPerpetualsDEXLayer 17 APIs37.2celestia10 APIs36.7Flipside CryptoBlockchainAnalyticsSQLWeb31 API36.7MobilecoinCompanyCryptocurrencyPaymentsBlockchain1 API36.7Qlik Sense EnterpriseAnalyticsBusiness IntelligenceData VisualizationEnterprise32 APIs36.7Qlik69 APIs36.6Sky MavisCompanyBlockchainWeb3Gaming3 APIs36.1NetAppCloudData ManagementHybrid CloudInfrastructure18 APIs35.7Matter LabsCompanyBlockchainEthereumLayer 21 API35.5SuiBlockchainMoveWeb3Cryptocurrency11 APIs35.5VanaCompanyCrypto AiData PortabilityPersonal Data2 APIs35.5ZoraNFTWeb3BlockchainEthereum31 APIs35.3HegicDeFiOptions TradingOnchainArbitrum10 APIs35.1KiteAgentic PaymentsAI Agentsx402Stablecoins3 APIs34.3EnvioBlockchainIndexerGraphQLWeb33 APIs33.9zkSyncLayer 2EthereumzkEVMZK-Rollup10 APIs33.9MoneroCryptocurrencyPrivacyBlockchain8 APIs33.8StarknetLayer 2EthereumValidity RollupZK13 APIs33.6EOSIOAntelopeBlockchainEOS13 APIs33.2FilecoinDecentralized StorageWeb3IPFSBlockchain6 APIs33.2MezoCompanyCrypto Web3BlockchainBitcoin2 APIs33.1ScrollzkEVMLayer 2EthereumRollup9 APIs33.0TenderlyWeb3BlockchainSmart ContractsEthereum6 APIs32.9QuickNodeWeb3BlockchainRPCStreams12 APIs32.4Mantle NetworkLayer 2EthereumRollupEigenDA8 APIs32.2UrbitCompanyCryptoPersonal ServersDecentralized Identity2 APIs31.9FutureverseBlockchainWeb3MetaverseDigital Assets5 APIs31.8HeliusWeb3BlockchainSolanaRPC20 APIs31.7SyndicaSolanaBlockchainWeb3RPC4 APIs31.7BaseLayer 2EthereumOP StackSuperchain10 APIs31.6InfuraWeb3BlockchainRPCInfrastructure6 APIs31.3ReownWeb3WalletsWalletConnectAppKit7 APIs31.1EthereumBlockchainDeFiEthereum1 API31.0AlchemyWeb3BlockchainRPCNFT12 APIs30.9ZeroDevAccount AbstractionSmart WalletsERC-4337EIP-77021 API30.4GlamaArtificial IntelligenceMCPLLM GatewayMCP Gateway7 APIs30.3CeloCompanyBlockchainEthereum L2Web31 API30.0TatumWeb3BlockchainRPCMulti-Chain9 APIs29.8XMTPWeb3MessagingEncryptionDecentralized7 APIs29.7ComethCompanyBlockchainAccount AbstractionERC-43373 APIs29.6PrivyWeb3WalletsAuthenticationEmbedded Wallets5 APIs28.8Push ProtocolWeb3BlockchainLayer 1Universal Apps5 APIs28.7BerachainBlockchainLayer 1EVMProof of Liquidity10 APIs28.41inchDeFiDEX AggregatorSwapLimit Orders15 APIs28.2Demox LabsCompanyBlockchainZero KnowledgeCryptocurrency1 API28.2LitecoinCryptocurrencyBlockchainLitecoinLTC10 APIs28.0MorphCompanyCryptoBlockchainLayer 22 APIs27.6ChiaCompanyBlockchainCryptocurrencyWeb31 API27.3OdooBusiness ApplicationsCRMERPOpen-Source4 APIs27.3Skale LabsCompanyBlockchainWeb3Smart Contracts1 API26.9The GraphWeb3IndexingGraphQLSubgraphs6 APIs26.7
Emerging 28 Early or largely undocumented
Quai NetworkCompanyLayer 1BlockchainCryptocurrency1 API25.3=nil; FoundationCompanyZk InfrastructureBlockchainLayer 21 API25.2SeiBlockchainLayer 1EVMDeFi10 APIs25.1Agent ReadinessAgent ReadinessAI AgentsAPI DiscoveryAPI Governance15 APIs25.0XRP LedgerBlockchainXRPCryptocurrencyDeFi4 APIs24.8Alpen LabsCompanyCryptoBitcoinBlockchain1 API24.5LineaBlockchainLayer 2EthereumzkEVM10 APIs24.5AuroraCompanyBlockchainEVMWeb31 API23.5Model Context Protocol (MCP)MCPAI AgentsToolsResources17 APIs22.8ZcashCryptocurrencyPrivacyBlockchainZero-Knowledge Proofs4 APIs22.7Qlik Sense APIsAnalyticsBusiness IntelligenceCloudData Visualization13 APIs22.6Offchain LabsCompanyBlockchainEthereumLayer 23 APIs22.2Manta NetworkCompanyLayer 2BlockchainEthereum2 APIs21.8Lit ProtocolWeb3Key ManagementMPCProgrammable Keys5 APIs21.6Sorella LabsCompanyCrypto InfrastructureDeFiDecentralized Exchange1 API21.25ireBlockchainLayer 1Smart ContractsEVM3 APIs20.8Ronin NetworkSidechainEthereumGamingNFT11 APIs20.4HamsaCompanyFinancial-ServicesBlockchainPayments19.9GoldskyBlockchain DataIndexerSubgraphsCDC8 APIs19.7AcalaCompanyCryptoBlockchainDeFi1 API19.4DashCryptocurrencyBlockchainDASHInstantSend2 APIs19.1InfinitySwapCompanyDeFiBlockchainEthereum1 API18.5FastLaneCompanyCrypto Web3BlockchainMEV18.4OffchainCompanyCryptoBlockchainEthereum1 API18.4Arch NetworkCompanyCrypto Web3BitcoinBlockchain17.9Ancient8CompanyCryptoBlockchainEthereum2 APIs17.0API SpecificationsAPI SpecificationSpecification LanguagesAPI DesignContracts13 APIs15.4CypheriumCompanyCryptoBlockchainLayer 12 APIs13.2
Minimal 2 Almost no public developer surface
BitcoinCompanyCryptoCryptocurrencyBlockchain9.3Parallel FinanceCompanyDeFiBlockchainPolkadot1 API8.6

APIs with this tag (149)

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 →

Strong 2 Solid coverage with minor gaps
Nutshell Legacy JSON-RPC APINutshell's original JSON-RPC API, available since 2010. Nutshell states it is no longer adding new endpoint...60.8Codashop and Coda Webstore Fulfillment APIThe publisher-implemented JSON-RPC fulfillment contract Coda calls to deliver purchases made on Codashop an...57.1
Developing 18 Usable, with meaningful gaps to close
Avalanche Platform Chain APIJSON-RPC access to the Avalanche Primary Network Platform Chain (P-Chain) — balances, UTXOs, subnets, valid...54.20G Chain JSON-RPCEthereum-compatible JSON-RPC endpoint for the 0G Chain mainnet ("Aristotle", chain ID 16661), an AI-focused...51.2Kusama JSON-RPC APIThe public Substrate JSON-RPC 2.0 interface to the Kusama relay chain. Probed live on 2026-07-19: 130 metho...48.9SharpSpring Open APIThe SharpSpring (Constant Contact Lead Gen & CRM) Open API — a single HTTPS POST endpoint that accepts a JS...48.4Blockdaemon RPC APIProduction-ready shared and dedicated JSON-RPC and REST node endpoints across 50+ protocols including Bitco...47.0Linea JSON-RPC APIStandard Ethereum JSON-RPC API plus Linea-specific extensions available at the public endpoint rpc.linea.bu...47.0Zircuit JSON-RPC APIStandard Ethereum JSON-RPC 2.0 interface to the Zircuit L2 network (HTTP and WebSocket) for reading chain s...45.1Deribit WebSocket APIJSON-RPC over WebSocket interface for real-time bidirectional communication with the Deribit exchange. Reco...44.6Sui JSON-RPC APIThe Sui full-node JSON-RPC API (OpenRPC 1.2.6) for reading objects, coins, balances, events, checkpoints, d...44.1GUNZ Chain JSON-RPC APIThe public Ethereum-compatible JSON-RPC endpoint for the GUNZ L1 chain, an Avalanche subnet running Subnet-...43.9Infura Web3 APIInfura's managed Web3 API surface — JSON-RPC 2.0 access to Ethereum and 40+ EVM networks (Base, Arbitrum, O...43.7Routescan Geth/Parity Proxy APIEthereum JSON-RPC compatible proxy endpoints for standard methods including eth_blockNumber, eth_getBlockBy...41.9Arbitrum JSON-RPC APIEthereum-compatible JSON-RPC 2.0 endpoint41.6Arbitrum Nova JSON-RPCPublic Ethereum JSON-RPC endpoint for Arbitrum Nova (chain ID 42170), an AnyTrust chain with a Data Availab...41.6Arbitrum One JSON-RPCPublic Ethereum JSON-RPC endpoint for Arbitrum One mainnet (chain ID 42161), the flagship optimistic rollup...41.6Arbitrum Sepolia JSON-RPCPublic Ethereum JSON-RPC endpoint for the Arbitrum Sepolia testnet (chain ID 421614).41.6ThunderCore Mainnet JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API for the ThunderCore mainnet (chain ID 108, TT gas token). Supports the...41.2ThunderCore Testnet JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API for the ThunderCore testnet (chain ID 18, TST gas token), with a fauce...41.2
Thin 98 Limited public surface area
Monad JSON-RPC APIFull JSON-RPC method reference — standard Ethereum eth_*, net_*, web3_*, debug_*, and trace_* methods plus ...39.0Monad Mainnet JSON-RPCPublic Ethereum-compatible JSON-RPC endpoint for Monad mainnet (chain ID 143, native token MON). Hosted on ...39.0Monad Testnet JSON-RPCPublic JSON-RPC endpoint for the Monad public testnet, used for application development, integration testin...39.0CKB JSON-RPC APIPublic JSON-RPC 2.0 interface to Nervos CKB nodes for querying chain state (blocks, transactions, cells), s...38.7Flashbots Auction Relay (JSON-RPC)JSON-RPC endpoint for submitting bundles and private transactions to the Flashbots block builder. Supports ...38.5Flashbots Auction Relay (Sepolia Testnet)Sepolia testnet instance of the Flashbots Auction JSON-RPC relay for bundle submission and testing without ...38.5Flashbots Protect RPCPublic-facing Ethereum JSON-RPC endpoint that routes transactions through Flashbots' private mempool to pro...38.5Uniblock JSON-RPC APIThe Uniblock JSON-RPC API provides a single endpoint for standard JSON-RPC calls across hundreds of blockch...37.8OP Mainnet JSON-RPCPublic Ethereum JSON-RPC endpoint for OP Mainnet (chain ID 10). Supports standard eth_* methods plus Optimi...37.7OP Sepolia JSON-RPCPublic Ethereum JSON-RPC endpoint for the OP Sepolia testnet (chain ID 11155420) used for development and i...37.7Optimism JSON-RPC APIStandard Ethereum JSON-RPC method invocation.37.7Blast JSON-RPC APIEthereum-compatible JSON-RPC methods exposed by the Blast node.37.6Blast Mainnet JSON-RPCPublic Ethereum-compatible JSON-RPC endpoint for Blast mainnet (chain ID 81457). Supports the standard eth_...37.6Blast Sepolia Testnet JSON-RPCPublic JSON-RPC endpoint for the Blast Sepolia testnet (chain ID 168587773), used for application developme...37.6HyperEVM JSON-RPCEVM-compatible JSON-RPC endpoint exposed by Hyperliquid for deploying and interacting with smart contracts ...37.2Celestia Node Admin APIJSON-RPC methods in the node module of celestia-node. Provides administrative introspection over the runnin...36.7Celestia Node Blob APIJSON-RPC methods in the blob module of celestia-node. Submit blobs to one or more namespaces with blob.Subm...36.7Celestia Node Blobstream APIJSON-RPC methods in the blobstream module of celestia-node. Generates inclusion proofs against Blobstream d...36.7Celestia Node DA APIJSON-RPC methods in the da module of celestia-node implementing the modular Data Availability interface use...36.7Celestia Node DAS APIJSON-RPC methods in the das module of celestia-node. Operational introspection over the Data Availability S...36.7Celestia Node Fraud APIJSON-RPC methods in the fraud module of celestia-node. Exposes fraud proof retrieval and subscription for t...36.7Celestia Node Header APIJSON-RPC methods in the header module of celestia-node. Query ExtendedHeaders with header.LocalHead, header...36.7Celestia Node P2P APIJSON-RPC methods in the p2p module of celestia-node. libp2p-level introspection and control over the Celest...36.7Celestia Node Share APIJSON-RPC methods in the share module of celestia-node. Provides direct access to Celestia's share-level dat...36.7Celestia Node State APIJSON-RPC methods in the state module of celestia-node. Exposes state-level operations including account bal...36.7Flipside Crypto JSON-RPC APIThe JSON-RPC API from Flipside Crypto — 1 operation(s) for json-rpc.36.7MobileCoin Full-Service Wallet APIJSON-RPC 2.0 wallet backend for the MobileCoin network - manage accounts and addresses, build and submit tr...36.7Qlik Sense Engine JSON APIWebSocket protocol API using JSON-RPC for interacting with the Qlik Associative Engine.36.7Qlik Engine JSON-RPC APIThe JSON-RPC API over WebSocket that enables interaction with the Qlik Associative Engine for Qlik Sense ap...36.6Ronin JSON-RPC APIEthereum-compatible JSON-RPC endpoint for the Ronin network — read chain state, submit transactions, call c...36.1NetApp Element APIAPI for NetApp Element software and NetApp HCI storage management.35.7Sui JSON-RPC API (Deprecated)The legacy JSON-RPC API for interacting with Sui full nodes, providing methods for querying objects, transa...35.5Vana L1 JSON-RPCStandard Ethereum JSON-RPC for the EVM-compatible Vana L1 blockchain, which records registrations, grants, ...35.5ZKsync Era JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API for the ZKsync Era ZK rollup. Standard eth_* methods plus the ZKsync-s...35.5Zora Network RPC APIJSON-RPC access to the Zora Network L2 chain (Chain ID 7777777), an OP Stack rollup on Ethereum. Compatible...35.3Hegic Smart Contracts (Arbitrum)Hegic's core options protocol is implemented as smart contracts on Arbitrum One. Developers can interact di...35.1Kite Chain JSON-RPC (Mainnet)EVM-compatible JSON-RPC interface for Kite Chain mainnet (chain ID 2366, native token KITE), available over...34.3Kite Chain JSON-RPC (Testnet)EVM-compatible JSON-RPC interface for Kite Chain testnet (chain ID 2368), paired with a public faucet and t...34.3HyperRPC JSON-RPC APIRead-only JSON-RPC endpoint optimised for data-intensive operations, providing up to 5x performance improve...33.9zkSync Era Mainnet JSON-RPCJSON-RPC endpoint for zkSync Era mainnet (chain ID 324). Implements standard eth_* methods plus zks_* exten...33.9zkSync Era Sepolia JSON-RPCJSON-RPC endpoint for the zkSync Era Sepolia testnet (chain ID 300) used for development, contract deployme...33.9Monero JSON-RPC APIJSON-RPC 2.0 dispatch endpoint33.8Juno Full NodeGo implementation of a Starknet full node from Nethermind that serves the Starknet JSON-RPC and acts as a s...33.6Pathfinder Full NodeRust implementation of a Starknet full node from Equilibrium that serves the Starknet JSON-RPC, syncs from ...33.6Starknet JSON-RPC SpecificationVersioned JSON-RPC specification implemented by Starknet full nodes (Pathfinder, Juno, Papyrus) and infrast...33.6Starknet Mainnet RPC (Public Providers)Starknet Mainnet (chain ID SN_MAIN) is reached via the Starknet JSON-RPC at hosted providers — Infura, Alch...33.6Starknet Sepolia RPC (Public Providers)Public JSON-RPC endpoint for Starknet Sepolia testnet (chain ID SN_SEPOLIA) for development and integration...33.6EOSIO Nodeos History APIThe history_api_plugin exposes endpoints under /v1/history for retrieving historical actions, transactions,...33.2EOSIO Nodeos Net APIThe net_api_plugin exposes endpoints under /v1/net for inspecting and managing peer-to-peer connections of ...33.2EOSIO Nodeos Producer APIThe producer_api_plugin exposes endpoints under /v1/producer for controlling block production on a node, in...33.2Filecoin Calibration Testnet Glif APIGlif-hosted public Lotus node endpoint for the Filecoin Calibration testnet. Provides the same read-only JS...33.2Filecoin Glif Lotus JSON-RPC APIPublic, load-balanced Lotus node endpoint hosted by Glif providing read-only access to the Filecoin mainnet...33.2Mezo Chain EVM JSON-RPCEVM-compatible Ethereum JSON-RPC interface to the Mezo chain (eth_* methods) for reading chain state and su...33.1Scroll JSON-RPC (Mainnet)Standard Ethereum JSON-RPC interface for Scroll mainnet (chain ID 534352). Used by wallets, dApps, indexers...33.0Scroll JSON-RPC (Sepolia Testnet)Standard Ethereum JSON-RPC endpoint for Scroll Sepolia testnet (chain ID 534351), used for development, int...33.0Scroll JSON-RPC APIEthereum JSON-RPC over HTTP POST33.0Tenderly Node RPCProduction-grade JSON-RPC node infrastructure supporting 80+ EVM networks including Ethereum, Arbitrum, Opt...32.9QuickNode Core RPC APIMulti-chain JSON-RPC, REST, and gRPC endpoints across 77+ blockchains (Ethereum, Solana, Polygon, Arbitrum,...32.4Mantle JSON-RPC (Mainnet)Standard Ethereum JSON-RPC endpoint for Mantle mainnet (chain ID 5000). Used by wallets, dApps, indexers, a...32.2Mantle JSON-RPC (Sepolia Testnet)Standard Ethereum JSON-RPC endpoint for the Mantle Sepolia testnet, used for development, contract deployme...32.2Mantle WebSocket (Mainnet)WebSocket endpoint for real-time JSON-RPC subscriptions on Mantle mainnet - new blocks, new pending transac...32.2Azimuth Layer 2 Roller HTTP RPC-APIThe HTTP RPC-API of Azimuth's Layer 2 naive rollup roller, primarily intended for interacting with Bridge. ...31.9The Root Network Node RPCPublic archive-node RPC for The Root Network mainnet, exposing both the Substrate JSON-RPC surface (author,...31.8Helius Digital Asset Standard (DAS) APISolana JSON-RPC API for unified asset queries (compressed NFTs, regular NFTs, tokens) including getAsset, g...31.7Helius Photon RPC (ZK Compression)Indexed RPC for Solana ZK compression (compressed accounts).31.7Helius SenderParallel transaction routing through Helius and Jito for inclusion latency optimization.31.7Helius Solana RPCSolana JSON-RPC and WebSocket endpoints with enhanced WebSockets, archival data, and staked connections.31.7Syndica ChainStream APIChainStream is Syndica's real-time Solana data streaming API. It consolidates updates from multiple validat...31.7Syndica Solana RPC (HTTP) APIHigh-performance Solana JSON-RPC HTTP endpoints served from a fault-tolerant elastic-node architecture acro...31.7Base Flashblocks RPCPre-confirmation JSON-RPC endpoint exposing Flashblocks — sub-block streams of ordered transactions that al...31.6Base JSON-RPC APIEthereum JSON-RPC 2.0 endpoint31.6Base Mainnet JSON-RPCStandard Ethereum JSON-RPC endpoint for Base Mainnet (chain ID 8453). Supports eth_*, net_*, web3_*, and Op...31.6Base Sepolia JSON-RPCPublic JSON-RPC endpoint for the Base Sepolia testnet (chain ID 84532) used for development, contract deplo...31.6Infura JSON-RPC APIMulti-chain JSON-RPC over HTTPS and WebSockets across 23+ networks (Ethereum, Linea, Polygon, Arbitrum, Opt...31.3Infura Solana JSON-RPCSolana JSON-RPC and WebSocket endpoints.31.3Reown Blockchain APIMulti-chain JSON-RPC over HTTPS used by AppKit and partners; provides on-chain reads, gas, swaps, and onram...31.1Alchemy Bundler API (ERC-4337)JSON-RPC bundler endpoints for ERC-4337 user operations (eth_sendUserOperation, eth_estimateUserOperationGa...30.9Alchemy Node API (JSON-RPC)Multi-chain JSON-RPC over HTTPS and WebSockets covering standard eth_*, solana, and other chain methods, pl...30.9Alchemy Simulation APIREST/JSON-RPC API for simulating transactions and asset changes before broadcasting.30.9ZeroDev JSON-RPC APIThe JSON-RPC API from ZeroDev — 1 operation(s) for json-rpc.30.4Glama MCP GatewayReverse-proxy MCP gateway that fronts hosted, remote, and custom MCP servers under a per-user endpoint of t...30.3Tatum RPC GatewayJSON-RPC over HTTPS to 130+ blockchain networks (Ethereum, Bitcoin, Solana, Polygon, BNB, Avalanche, Algora...29.8XMTP App Chain RPC APIJSON-RPC API for the XMTP Layer-3 appchain built on Arbitrum and settling to Base. Used for smart contract ...29.7Cometh Connect Bundler APIERC-4337 bundler JSON-RPC endpoint. Accepts User Operations into the mempool, estimates UserOp gas, returns...29.6Cometh Connect Paymaster APIERC-4337 paymaster JSON-RPC endpoint for transaction sponsorship (pm_sponsorUserOperation, pm_supportedEntr...29.6Privy Wallets RPCJSON-RPC method passthrough for signing transactions and arbitrary RPC calls against Privy-managed wallets.28.8Push Chain EVM ClientPush Chain is 100% EVM-compatible; developers can initialize standard Ethers v6 or Viem clients against Pus...28.7Berachain Bepolia Testnet JSON-RPCPublic JSON-RPC endpoint for the Bepolia testnet (chain ID 80069), used for application development and int...28.4Berachain Mainnet JSON-RPCPublic Ethereum-compatible JSON-RPC endpoint for Berachain mainnet (chain ID 80094). Supports the standard ...28.41inch Web3 RPC APIHosted JSON-RPC endpoints for 14+ EVM and non-EVM networks, exposed through the 1inch API key for unified r...28.2Aleo RPC APIFree public JSON-RPC 2.0 API for reading the Aleo zero-knowledge blockchain — latest blocks and heights, tr...28.2Litecoin JSON-RPC APILitecoin Core JSON-RPC 2.0 interface. All methods are accessed via a single POST endpoint using the method ...28.0Morph JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API (eth_*, net_*, web3_*) plus Morph-specific methods such as morph_getBl...27.6Chia JSON-RPC APILocal JSON-RPC servers exposed by the Chia reference client for the full node, wallet, farmer, harvester, D...27.3Odoo External APIOdoo's external API for integrating with the platform using JSON-RPC and XML-RPC protocols for accessing al...27.3Odoo JSON-RPC APIJSON-RPC transport for the same operations27.3SKALE JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API served by SKALE Chains (per-chain RPC/WSS endpoints), plus SKALE Progr...26.9Graph Node Admin JSON-RPC (self-hosted)JSON-RPC admin interface to a self-hosted Graph Node for deploying, listing, and managing subgraphs. Public...26.7
Emerging 30 Early or largely undocumented
=nil; JSON-RPC APIEthereum-style JSON-RPC 2.0 API exposing the =nil; cluster — blocks, transactions (messages), accounts, con...25.2Sei EVM JSON-RPC APIEthereum-compatible JSON-RPC API for interacting with Sei's EVM layer. Supports standard Ethereum methods f...25.1Model Context Protocol (MCP)An open JSON-RPC protocol that lets AI agents talk to tools, resources, and prompts through a uniform serve...25.0XRPL JSON-RPC API (Mainnet)JSON-RPC interface to the XRP Ledger mainnet for querying accounts, transactions, ledgers, order books, AMM...24.8XRPL JSON-RPC API (Testnet)JSON-RPC interface to the XRP Ledger Altnet testnet for development and testing. Supports the same method s...24.8Linea Mainnet JSON-RPCPublic Ethereum-compatible JSON-RPC endpoint for Linea mainnet (chain ID 59144). Supports the standard eth_...24.5Linea Sepolia Testnet JSON-RPCPublic JSON-RPC endpoint for the Linea Sepolia testnet (chain ID 59141), used for application development, ...24.5Linea-Specific JSON-RPC MethodsLinea custom JSON-RPC methods including linea_estimateGas (returns recommended gas limit, base fee, and pri...24.5Aurora JSON-RPC APIEthereum-compatible JSON-RPC 2.0 API for the Aurora EVM network of virtual chains on NEAR. Exposes the stan...23.5MCP SpecificationThe authoritative protocol definition for the Model Context Protocol, maintained at modelcontextprotocol.io...22.8Zcash JSON-RPC API (zcashd)The primary JSON-RPC interface exposed by zcashd, the original Zcash full node. Backwards compatible with B...22.7Zcash Payment API (z_ methods)The Zcash-specific extension to the JSON-RPC interface that enables shielded (private) transaction operatio...22.7Zebra JSON-RPC APIThe JSON-RPC API provided by zebrad, the Zcash Foundation's independent Zcash full node implementation writ...22.7Qlik Engine APIJSON-RPC WebSocket API for interacting with the Qlik Associative Engine, creating and manipulating apps, an...22.6Manta Atlantic (Substrate JSON-RPC)Substrate/Polkadot parachain JSON-RPC endpoint (WebSocket) for Manta Atlantic (Polkadot Para ID 2104, nativ...21.8Manta Pacific (EVM JSON-RPC)EVM-compatible Ethereum JSON-RPC endpoint for the Manta Pacific Layer-2 rollup (chain ID 169, currency ETH)...21.8Lit Network Node JSON-RPC (SDK-mediated)Threshold-cryptography network of Lit nodes accessed via the Lit JS SDK for signing, encryption, decryption...21.65ireChain Mainnet JSON-RPCEthereum-compatible JSON-RPC 2.0 endpoint for the 5ireChain mainnet (EIP-155 chain ID 995, native currency ...20.85ireChain Thunder Testnet JSON-RPCEthereum-compatible JSON-RPC 2.0 endpoint for the 5ireChain Thunder testnet (EIP-155 chain ID 997, native c...20.8Ronin JSON-RPC (Mainnet)Standard Ethereum-style JSON-RPC endpoint for Ronin mainnet (chain ID 2020). Used by wallets, games, dApps,...20.4Ronin JSON-RPC (Saigon Testnet)JSON-RPC endpoint for the Saigon testnet (chain ID 2021), used for development, integration testing, and dA...20.4Goldsky Edge RPCHigh-performance JSON-RPC service for EVM networks with advanced debugging and tracing methods. Used as a d...19.7Acala EVM+ JSON-RPCAcala EVM+ exposes a standard Ethereum JSON-RPC API through the EVM+ RPC Adapter, which wraps Substrate RPC...19.4Dash Platform DAPI (Decentralized API)Decentralized HTTP API exposing gRPC and JSON-RPC endpoints for both Dash Core layer 1 and Dash Platform la...19.1Bitfinity EVM JSON-RPCStandard Ethereum JSON-RPC 2.0 interface to the Bitfinity EVM mainnet (Chain ID 355110). Supports the stand...18.5Arbitrum One JSON-RPCPublic Ethereum-compatible JSON-RPC endpoint for Arbitrum One (chain id 42161 / 0xa4b1), the flagship Arbit...18.4Ancient8 Mainnet JSON-RPCPublic Ethereum JSON-RPC interface for the Ancient8 Mainnet (chain ID 888888888, currency ETH), available o...17.0Ancient8 Testnet JSON-RPC (Celestia)Public Ethereum JSON-RPC interface for the Ancient8 Celestia testnet (chain ID 28122024, currency ETH), ava...17.0JSON-RPC 2.0JSON-RPC 2.0 is a stateless, light-weight remote procedure call (RPC) protocol encoded in JSON. It is widel...15.4Cypherium JSON-RPC APIEthereum-compatible JSON-RPC node API for the Cypherium Layer-1 mainnet — eth, web3, net, personal, miner, ...13.2
Minimal 1 Almost no public developer surface
Parallel Finance JSON-RPC (polkadot.js)Substrate/Polkadot JSON-RPC interface to the Parallel Finance parachain, accessed over WebSocket with the p...8.6

Score breakdown

Frequency
62.7
log-scaled weighted occurrences
Breadth
2.9
spread across providers
Quality lift
38.4
mean composite of providers using it
Cohesion
16.0
strength of nearest seed neighbor

Related tags

EVM 36 co-occurrences Layer 2 24 co-occurrences Testnet 20 co-occurrences Mainnet 16 co-occurrences Ethereum 38 co-occurrences Smart Contracts 30 co-occurrences RPC 17 co-occurrences Web3 64 co-occurrences

Where this tag comes from

Api tag149
Provider tag55
Openapi tag11
Openapi op tag11

Cohort brief

Auto-generated

The 107 providers in the APIs.io catalog tagged JSON-RPC, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
107
all scored
Mean Kin Score
31.7
+11.0 vs catalog 20.7
Mean Agent Readiness
15.8
+6.1 vs catalog 9.7
Spread
8.6–60.8
median 31.7 · σ 9.7
How the 107 split by band
Exemplar 0Strong 2Developing 17Thin 58Emerging 28Minimal 2
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 39.2 17.9 +21.3 107
Discoverability 73.9 60.4 +13.5 107
Contract Quality 31 17.5 +13.5 107
Operational Transparency 21.5 11.3 +10.2 107
Access Clarity 25.1 22.3 +2.8 107
Contract Governance 8.5 6.4 +2.1 107

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) 25% 16% +9
MCP server (first-party) 9% 7% +2
Agent Skills 0% 0% 0
OAuth scopes 3% 9% -6
Security 100% 88% +12
Arazzo workflows 0% 2% -2
Governance rules 27% 13% +14

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 Nutshell 60.8
  2. 2 Coda Payments 57.1
  3. 3 Ava Labs 54.2
  4. 4 0G Labs 51.2
  5. 5 Kusama 48.9
  6. 6 SharpSpring 48.4
  7. 7 Blockdaemon 47
  8. 8 Linea 47
  9. 9 Zircuit 45.1
  10. 10 Deribit 44.6
Top by Agent Readiness
  1. 1 Deribit 40.4
  2. 2 Nervos 34.9
  3. 3 Mysten Labs 34.5
  4. 4 Nutshell 33.8
  5. 5 Ava Labs 33.3
  6. 6 Helius 32.6
  7. 7 Alchemy 31.7
  8. 8 Gunzilla Games 31.5
  9. 9 0G Labs 30.6
  10. 10 Tendermint 29.8
All 107 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/json-rpc"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/json-rpc"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/json-rpc/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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

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