Chainbase

live $0.0010/req Data medium confidence editorial

Multi-chain data API. Token balances, transaction history, and NFT data across 20+ chains.

Editorial Verdict

Broadest chain coverage in the data category. Low per-request cost makes it good for exploratory queries.

How to Call This Service

Direct x402 Request

curl -X POST https://chainbase.com \
  -H "Content-Type: application/json" \
  -H "X-Payment: <base64-eip712-signed-usdc-authorization>" \
  -d '{"prompt": "your query here"}'

Via Signal402 MCP

signal402_call service="Chainbase" payload='{"prompt": "your query"}'

Details

URLhttps://chainbase.com
CategoryData
Statuslive
Price$0.0010 per request
Confidencemedium confidence
Sourcehttps://x402.org/ecosystem
Last Verified2026-02-15

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