Blockscout
Blockscout is an open-source EVM blockchain explorer covering 1,000+ L1, L2, and L3 EVM chains. Each Blockscout instance exposes a REST v1 API (legacy), REST v2 API (recommended), GraphQL API, and an Etherscan-compatible API. The hosted Blockscout PRO API at dev.blockscout.com provides multi-chain access with unified routes, plans, and credit-based metering.
APIs
Blockscout REST API v2
Recommended REST API on each Blockscout instance. Endpoints cover blocks, transactions, addresses, tokens, smart-contract verification, and more. Path varies by chain (eth, opti...
Blockscout GraphQL API
GraphQL API exposing blocks, transactions, addresses, and tokens.
Blockscout Etherscan-Compatible API
Drop-in Etherscan-style RPC API (action / module query parameters) for easy migration.
Blockscout PRO API
Hosted multi-chain Blockscout API with unified routes, plans, and credit-based metering. Replaces the older MyAccount API; old keys do not work on PRO routes.