freeapis

Blockscout

Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)

Authentication
API Key
HTTPS
Yes
CORS
No
Category
Blockchain
Data source
public-apis
Documentation / URL
https://dev.blockscout.com/

Overview

Blockscout provides block-explorer APIs — public endpoints work without a key (verified live); a key unlocks higher limits.

Quick Start

Stats (verified live):

curl "https://eth.blockscout.com/api/v2/stats"

Authentication

  • Optional: register at blockscout.com → API key.
  • Send it as a header/param (free tier without key works, verified).

Rate Limits & Notes

  • Free tier with limits (check the docs).
  • Blocks, txs, balances.

FAQ

Is Blockscout free? Yes — keyless for public endpoints (verified).

Does it need a key? Public reads work without one (verified).

What does it return? Chain stats/data.

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