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.
APIs.json: https://raw.githubusercontent.com/api-evangelist/chainstack/refs/heads/main/apis.yml
- Access: 3rd-Party
- Blockchain
- Multi-Chain
- RPC
- Node Infrastructure
- Web3
- Crypto
- Ethereum
- Solana
- Bitcoin
- DeFi
- MEV
- Trader Node
- Archive Data
- MCP
- AI Agents
- Modified: Thu May 28 2026 20:00:00 GMT-0400 (Eastern Daylight Time)
REST API at api.chainstack.com for managing your organization, projects, networks, and managed nodes. Bearer-token authenticated via per-user API keys. v2 endpoints recommended; v1 endpoints cover organizations, projects, networks, nodes, marketplace, and legacy Goerli/Sepolia faucets.
- Platform
- Organization
- Projects
- Networks
- Nodes
- Management
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- JSON Schema — JSON Schema
- JSON-LD — JSON-LD
Public Chainstack-operated testnet faucet for Hoodi, Sepolia, BNB Testnet, zkSync Testnet, Scroll Sepolia, and Polygon Amoy. JWT-authenticated POST /v1/faucet/{chain} request endpoint plus a transaction-history endpoint. Also available as a Telegram Mini App and via the Chainstack MCP server.
- Human URL: https://faucet.chainstack.com/
- Faucet
- Testnet
- Developer Tools
- Faucet
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Ethereum mainnet and testnet JSON-RPC nodes. 40+ documented eth_/net_/web3_ methods plus debug_/trace_ namespaces on archive nodes. Global, Dedicated, Unlimited, and Trader node archetypes supported.
- Ethereum
- EVM
- JSON-RPC
- Layer 1
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
- JSON Schema — JSON Schema
Ethereum consensus-layer Beacon Chain REST API exposed through Chainstack-managed nodes. Validator, state, block, sync, and node-info endpoints.
- Ethereum
- Beacon Chain
- Consensus Layer
- REST
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Solana JSON-RPC nodes (mainnet, devnet, testnet) covering 52+ documented RPC methods plus Yellowstone gRPC Geyser plugin for real-time account, transaction, and slot streaming. Trader Node available for low-latency mempool access.
- Solana
- JSON-RPC
- Yellowstone
- gRPC
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Bitcoin Core nodes exposing the canonical Bitcoin JSON-RPC API. 40 documented methods covering blocks, transactions, wallet, mining, network, and raw-transaction operations.
- Bitcoin
- UTXO
- JSON-RPC
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed BNB Smart Chain JSON-RPC nodes. 43+ documented EVM methods plus archive support on dedicated nodes.
- BNB Smart Chain
- BSC
- EVM
- JSON-RPC
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Polygon mainnet (PoS) and Polygon Amoy testnet JSON-RPC nodes with debug/trace namespaces available on archive nodes.
- Polygon
- EVM
- JSON-RPC
- PoS
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Arbitrum One and Arbitrum Sepolia JSON-RPC nodes. 51 documented eth_/arb_ methods.
- Arbitrum
- Layer 2
- Rollup
- EVM
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Optimism mainnet and Sepolia JSON-RPC nodes with Flashblocks preconfirmation support (250 ms). 48 documented eth_/op_ methods.
- Optimism
- Layer 2
- Rollup
- EVM
- OP Stack
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Base mainnet and Sepolia JSON-RPC nodes. 60 documented eth_/op_ methods plus Flashblocks (200 ms preconfirmations).
- Base
- Layer 2
- Rollup
- EVM
- OP Stack
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Avalanche C-Chain JSON-RPC nodes and Subnets support.
- Avalanche
- Layer 1
- EVM
- C-Chain
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Fantom Opera mainnet JSON-RPC nodes.
- Fantom
- Sonic
- EVM
- Layer 1
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Gnosis Chain JSON-RPC nodes.
- Gnosis Chain
- EVM
- Layer 1
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Cronos JSON-RPC nodes.
- Cronos
- EVM
- Layer 1
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Aurora (EVM on NEAR) JSON-RPC nodes.
- Aurora
- EVM
- NEAR
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Ronin JSON-RPC nodes for the Axie Infinity gaming chain.
- Ronin
- EVM
- Gaming
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed TRON full and Solidity nodes with 150+ documented HTTP API methods.
- TRON
- Layer 1
- Non-EVM
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed The Open Network (TON) HTTP API nodes. 59 documented methods covering accounts, blocks, transactions, jettons, and NFTs.
- TON
- The Open Network
- Layer 1
- Non-EVM
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Starknet JSON-RPC nodes.
- Starknet
- Layer 2
- ZK Rollup
- Cairo
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed zkSync Era JSON-RPC nodes with zks_ namespace extensions.
- zkSync Era
- Layer 2
- ZK Rollup
- EVM-Compatible
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Polygon zkEVM JSON-RPC nodes with zkevm_ namespace extensions.
- Polygon zkEVM
- Layer 2
- ZK Rollup
- EVM
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Hyperliquid HyperCore and HyperEVM nodes. 185 documented HTTP methods covering perpetual DEX state, orders, fills, and EVM RPC.
- Hyperliquid
- HyperCore
- HyperEVM
- Perpetual DEX
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Monad JSON-RPC nodes (high-throughput EVM with parallel execution).
- Monad
- EVM
- Parallel Execution
- Layer 1
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- AsyncAPI — AsyncAPI Specification
Chainstack-managed Plasma JSON-RPC nodes (stablecoin-optimized chain).
- Plasma
- EVM
- Stablecoins
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Chainstack-managed Tempo JSON-RPC nodes (emerging EVM chain).
- Tempo
- EVM
- Emerging
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- Github
- Discord
- YouTube
- Website
- Portal
- Documentation
- Documentation
- Rate Limits
- Documentation
- Documentation
- Pricing
- Faucet
- Support
- Feedback
- Blog
- Changelog
- Status Page
- Terms of Service
- Privacy Policy
- Security
- Source
- Source
- Source
- Source
- Tools
- SDK
- SDK
- SDK
- SDK
- Tools
- Product
- Product
- Product
- Product
- Product
- Documentation
- Vocabulary
- Spectral Rules
- Fin Ops