Chainstack
Chainstack is a managed multi-chain RPC and node infrastructure platform supporting 70+ blockchain protocols including Ethereum, Solana, Bitcoin, BNB Smart Chain, Polygon, Arbitrum, Optimism, Base, Avalanche, TON, TRON, Starknet, zkSync Era, Hyperliquid, Monad, and many more. The platform exposes a REST Platform API for organization, project, network, and node lifecycle management, JSON-RPC endpoints for every supported chain, a Faucet API for testnet funding, real- time Solana streaming via Yellowstone gRPC, low-latency Trader Nodes via bloXroute, archive data with debug and trace namespaces, MEV protection, Flashblocks preconfirmations, and a Chainstack MCP server for AI agents.
Chainstack publishes 87 API contracts indexed on the APIs.io network, including Faucet API, Account Info API, Accounts Info API, and 84 more. Tagged areas include Blockchain, Multi-Chain, RPC, Node Infrastructure, and Web3.
The Chainstack catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 3 Spectral governance rulesets.
Chainstack’s developer surface includes authentication, GitHub presence, YouTube channel, developer portal, documentation, pricing, support, and 41 more developer resources.
What this lets a business do 1
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Markets this provider is in provisional
The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.
| Market | Position | Depth | Registered MCP server | Declares compatibility |
|---|---|---|---|---|
| Blockchain Node and RPC Infrastructure | standard | 17.2 (thin) | 1 | 1 |
Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 87
Individual APIs this provider publishes, each with its own machine-readable definition.
Chainstack Faucet API
Public Chainstack-operated testnet faucet for Hoodi, Sepolia, BNB Testnet, zkSync Testnet, Scroll Sepolia, and Polygon Amoy. JWT-authenticated POST /v1/faucet/{chain} request en...
Chainstack Account Info API
The Account Info API from Chainstack — 6 operation(s) for account info.
Chainstack Accounts Info API
The Accounts Info API from Chainstack — 6 operation(s) for accounts info.
Chainstack Blocks Info API
The Blocks Info API from Chainstack — 13 operation(s) for blocks info.
Chainstack Chain Info API
The Chain Info API from Chainstack — 5 operation(s) for chain info.
Chainstack Client Info API
The Client Info API from Chainstack — 5 operation(s) for client info.
Chainstack Configuration Info API
The Configuration Info API from Chainstack — 5 operation(s) for configuration info.
Chainstack Debug And Trace API
The Debug And Trace API from Chainstack — 37 operation(s) for debug and trace.
Chainstack Debug API
The Debug API from Chainstack — 3 operation(s) for debug.
Chainstack Deployment Options API
The Deployment Options API from Chainstack — 1 operation(s) for deployment options.
Chainstack Events API
The Events API from Chainstack — 1 operation(s) for events.
Chainstack Execute Transactions API
The Execute Transactions API from Chainstack — 6 operation(s) for execute transactions.
Chainstack Filter Handling API
The Filter Handling API from Chainstack — 5 operation(s) for filter handling.
Chainstack Gas Data API
The Gas Data API from Chainstack — 5 operation(s) for gas data.
Chainstack General API
The General API from Chainstack — 520 operation(s) for general.
Chainstack Logs And Events API
The Logs And Events API from Chainstack — 3 operation(s) for logs and events.
Chainstack Network API
The Network API from Chainstack — 2 operation(s) for network.
Chainstack Node API
The Node API from Chainstack — 2 operation(s) for node.
Chainstack Node V2 API
The Node V2 API from Chainstack — 2 operation(s) for node v2.
Chainstack Organization API
The Organization API from Chainstack — 1 operation(s) for organization.
Chainstack Project API
The Project API from Chainstack — 3 operation(s) for project.
Chainstack Project V2 API
The Project V2 API from Chainstack — 2 operation(s) for project v2.
Chainstack State API
The State API from Chainstack — 10 operation(s) for state.
Chainstack Tempo Specific API
The Tempo Specific API from Chainstack — 2 operation(s) for tempo specific.
Chainstack Transaction Info API
The Transaction Info API from Chainstack — 14 operation(s) for transaction info.
Chainstack Txpool API
The Txpool API from Chainstack — 2 operation(s) for txpool.
Chainstack Validatiors Info API
The Validatiors Info API from Chainstack — 12 operation(s) for validatiors info.
Chainstack Zkevm Methods API
The Zkevm Methods API from Chainstack — 8 operation(s) for zkevm methods.
Chainstack Detect Address API
The DetectAddress API from Chainstack — 1 operation(s) for detectaddress.
Chainstack Estimate Fee API
The EstimateFee API from Chainstack — 1 operation(s) for estimatefee.
Chainstack Get Account Info API
The GetAccountInfo API from Chainstack — 1 operation(s) for getaccountinfo.
Chainstack Get Account States API
The GetAccountStates API from Chainstack — 1 operation(s) for getaccountstates.
Chainstack Get Actions API
The GetActions API from Chainstack — 1 operation(s) for getactions.
Chainstack Get Address Balance API
The GetAddressBalance API from Chainstack — 1 operation(s) for getaddressbalance.
Chainstack Get Address Book Info API
The GetAddressBookInfo API from Chainstack — 1 operation(s) for getaddressbookinfo.
Chainstack Get Address Information API
The GetAddressInformation API from Chainstack — 1 operation(s) for getaddressinformation.
Chainstack Get Address State API
The GetAddressState API from Chainstack — 1 operation(s) for getaddressstate.
Chainstack Get Adjacent Transactions API
The GetAdjacentTransactions API from Chainstack — 1 operation(s) for getadjacenttransactions.
Chainstack Get Block Header API
The GetBlockHeader API from Chainstack — 1 operation(s) for getblockheader.
Chainstack Get Blocks API
The GetBlocks API from Chainstack — 1 operation(s) for getblocks.
Chainstack Get Block Transactions API
The GetBlockTransactions API from Chainstack — 1 operation(s) for getblocktransactions.
Chainstack Get Block Transactions Ext API
The GetBlockTransactionsExt API from Chainstack — 1 operation(s) for getblocktransactionsext.
Chainstack Get Config Param API
The GetConfigParam API from Chainstack — 1 operation(s) for getconfigparam.
Chainstack Get Consensus Block API
The GetConsensusBlock API from Chainstack — 1 operation(s) for getconsensusblock.
Chainstack Get Events API
The GetEvents API from Chainstack — 1 operation(s) for getevents.
Chainstack Get Extended Address Information API
The GetExtendedAddressInformation API from Chainstack — 1 operation(s) for getextendedaddressinformation.
Chainstack Get Jetton Burns API
The GetJettonBurns API from Chainstack — 1 operation(s) for getjettonburns.
Chainstack Get Jetton Masters API
The GetJettonMasters API from Chainstack — 1 operation(s) for getjettonmasters.
Chainstack Get Jetton Transfers API
The GetJettonTransfers API from Chainstack — 1 operation(s) for getjettontransfers.
Chainstack Get Jetton Wallets API
The GetJettonWallets API from Chainstack — 1 operation(s) for getjettonwallets.
Chainstack Get Masterchain Block Shards API
The GetMasterchainBlockShards API from Chainstack — 1 operation(s) for getmasterchainblockshards.
Chainstack Get Masterchain Block Shard State API
The GetMasterchainBlockShardState API from Chainstack — 1 operation(s) for getmasterchainblockshardstate.
Chainstack Get Masterchain Block Signatures API
The GetMasterchainBlockSignatures API from Chainstack — 1 operation(s) for getmasterchainblocksignatures.
Chainstack Get Masterchain Info API
The GetMasterchainInfo API from Chainstack — 1 operation(s) for getmasterchaininfo.
Chainstack Get Messages API
The GetMessages API from Chainstack — 1 operation(s) for getmessages.
Chainstack Get Metadata API
The GetMetadata API from Chainstack — 1 operation(s) for getmetadata.
Chainstack Get Multisig Orders API
The GetMultisigOrders API from Chainstack — 1 operation(s) for getmultisigorders.
Chainstack Get Multisig Wallets API
The GetMultisigWallets API from Chainstack — 1 operation(s) for getmultisigwallets.
Chainstack Get NFT Collections API
The GetNFTCollections API from Chainstack — 1 operation(s) for getnftcollections.
Chainstack Get NFT Items API
The GetNFTItems API from Chainstack — 1 operation(s) for getnftitems.
Chainstack Get NFT Transfers API
The GetNFTTransfers API from Chainstack — 1 operation(s) for getnfttransfers.
Chainstack Get Pending Traces API
The GetPendingTraces API from Chainstack — 1 operation(s) for getpendingtraces.
Chainstack Get Pending Transactions API
The GetPendingTransactions API from Chainstack — 1 operation(s) for getpendingtransactions.
Chainstack Get Shard Block Proof API
The GetShardBlockProof API from Chainstack — 1 operation(s) for getshardblockproof.
Chainstack Get Token Data API
The GetTokenData API from Chainstack — 1 operation(s) for gettokendata.
Chainstack Get Top Accounts By Balance API
The GetTopAccountsByBalance API from Chainstack — 1 operation(s) for gettopaccountsbybalance.
Chainstack Get Traces API
The GetTraces API from Chainstack — 1 operation(s) for gettraces.
Chainstack Get Transactions API
The GetTransactions API from Chainstack — 1 operation(s) for gettransactions.
Chainstack Get Transactions By Masterchain Block API
The GetTransactionsByMasterchainBlock API from Chainstack — 1 operation(s) for gettransactionsbymasterchainblock.
Chainstack Get Transactions By Message API
The GetTransactionsByMessage API from Chainstack — 1 operation(s) for gettransactionsbymessage.
Chainstack Get Wallet Info API
The GetWalletInfo API from Chainstack — 1 operation(s) for getwalletinfo.
Chainstack Get Wallet Information API
The GetWalletInformation API from Chainstack — 1 operation(s) for getwalletinformation.
Chainstack Get Wallet States API
The GetWalletStates API from Chainstack — 1 operation(s) for getwalletstates.
Chainstack JSON RPC API
The JsonRPC API from Chainstack — 1 operation(s) for jsonrpc.
Chainstack Lookup Block API
The LookupBlock API from Chainstack — 1 operation(s) for lookupblock.
Chainstack Pack Address API
The PackAddress API from Chainstack — 1 operation(s) for packaddress.
Chainstack Run Get Method API
The RunGetMethod API from Chainstack — 1 operation(s) for rungetmethod.
Chainstack Send Boc API
The SendBoc API from Chainstack — 1 operation(s) for sendboc.
Chainstack Send Boc Return Hash API
The SendBocReturnHash API from Chainstack — 1 operation(s) for sendbocreturnhash.
Chainstack Send Message API
The SendMessage API from Chainstack — 1 operation(s) for sendmessage.
Chainstack Send Query API
The SendQuery API from Chainstack — 1 operation(s) for sendquery.
Chainstack Shards API
The Shards API from Chainstack — 1 operation(s) for shards.
Chainstack Try Locate Result Tx API
The TryLocateResultTx API from Chainstack — 1 operation(s) for trylocateresulttx.
Chainstack Try Locate Source Tx API
The TryLocateSourceTx API from Chainstack — 1 operation(s) for trylocatesourcetx.
Chainstack Try Locate Tx API
The TryLocateTx API from Chainstack — 1 operation(s) for trylocatetx.
Chainstack Unpack Address API
The UnpackAddress API from Chainstack — 1 operation(s) for unpackaddress.
Chainstack Vesting API
The Vesting API from Chainstack — 1 operation(s) for vesting.
Scroll for all 87
Postman Collections 32
Ready-to-run Postman collections for exercising this provider's APIs.
Scroll for all 32
Open Collections 58
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONChainstack Arbitrum Node Account Info API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Accounts Info API
OPEN COLLECTIONChainstack Arbitrum Node API
OPEN COLLECTIONChainstack Aurora Node API
OPEN COLLECTIONChainstack Avalanche Node API
OPEN COLLECTIONChainstack Base Node API
OPEN COLLECTIONChainstack Bitcoin Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Blocks Info API
OPEN COLLECTIONChainstack BNB Smart Chain Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Chain Info API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Client Info API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Configuration Info API
OPEN COLLECTIONChainstack Cronos Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Debug And Trace API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Debug API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Deployment Options API
OPEN COLLECTIONChainstack Ethereum Beacon Chain API
OPEN COLLECTIONChainstack Ethereum Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Events API
OPEN COLLECTIONChainstack Fantom Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info faucet API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Filter Handling API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Gas Data API
OPEN COLLECTIONChainstack Arbitrum Node Account Info General API
OPEN COLLECTIONChainstack Gnosis Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info History API
OPEN COLLECTIONChainstack Hyperliquid Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Logs And Events API
OPEN COLLECTIONChainstack Monad Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Network API
OPEN COLLECTIONChainstack Arbitrum Account Info Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Node V2 API
OPEN COLLECTIONChainstack Optimism Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Organization API
OPEN COLLECTIONChainstack Plasma Node API
OPEN COLLECTION💙 CHAINSTACK PLATFORM API
OPEN COLLECTIONChainstack Polygon Node API
OPEN COLLECTIONChainstack Polygon zkEVM Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Project API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Project V2 API
OPEN COLLECTIONChainstack Ronin Node API
OPEN COLLECTIONChainstack Solana Node API
OPEN COLLECTIONChainstack Starknet Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info State API
OPEN COLLECTIONChainstack Tempo Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Tempo Specific API
OPEN COLLECTIONChainstack TON Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Transaction Info API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Transactions Info API
OPEN COLLECTIONChainstack TRON Node API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Txpool API
OPEN COLLECTIONChainstack Arbitrum Node Account Info V2 API
OPEN COLLECTIONChainstack Arbitrum Node Account Info V3 API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Validatiors Info API
OPEN COLLECTIONChainstack Arbitrum Node Account Info Zkevm Methods API
OPEN COLLECTIONChainstack zkSync Era Node API
OPEN COLLECTIONScroll for all 58
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Chainstack Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Chainstack Finops
FINOPSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Chainstack RPC WebSocket APIs
AsyncAPI 2.6 specification for Chainstack's JSON-RPC WebSocket (WSS) subscription APIs. Chainstack-managed nodes expose a persistent WebSocket endpoint per node that accepts JSO...
ASYNCAPISemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Chainstack Context
JSON-LDSpectral Rules 3
Spectral governance rulesets for linting and validating these APIs.
Chainstack — asyncapi rules
SPECTRALChainstack — jsonschema rules
SPECTRALChainstack API Rules
SPECTRALJSON Schema 2
Standalone JSON Schema definitions for this provider's data models.
ChainstackJsonRpcEnvelope
JSON SCHEMAChainstackNode
JSON SCHEMASecurity Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 5
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 8
SDKs, sample code, and the tooling you integrate with
Scroll for all 8
Access & Security 4
Authentication, authorization, and security posture
Learn 1
Tutorials, courses, talks, and written guidance
Operate 5
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 4
The organization behind the API
Other 12
Properties that don't map to a standard resource type
Scroll for all 12
Source (apis.yml)
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.