Watchdata
HTTPS CORS ? apiKey
Provide simple and reliable API access to Ethereum blockchain
API Endpoint
https://docs.watchdata.ioMore Blockchain APIs
Onchain GraphQL APIs & DEX APIs
HTTPS CORS apiKey
Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)
HTTPS No CORS apiKey
Build hybrid smart contracts with Chainlink
HTTPS CORS ? Free