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TraceFast

x402Grade BLast checked 3 hours ago

GET https://mpp.tracefast.xyz/api/v1/chains/1/blocks/:number/authorizations

TraceFast live Ethereum data: every EIP-7702 authorization-list entry carried by the transactions of one block — the delegation target, the chain id and nonce it was signed for, and the signature — in transaction order and then list order. Path number: Block height. Query limit: 1..=100, default 25; cursor: `nextCursor` of the previous page. Docs: https://docs.tracefast.xyz/api/block-authorizations.md

Price$0.02per chain read · paid in USD on Base

Uptime100%

4/4 probes · 241.5 ms

Score73Grade B

Paid usage, 30 days1payers · 1 calls

How to buy

This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.

curl -i -X GET "https://mpp.tracefast.xyz/api/v1/chains/1/blocks/:number/authorizations"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)	Result	Status	Time	Live price
2026-10-11 11:31	Valid 402	402	14 ms	$0.02
2026-10-11 07:01	Valid 402	402	239 ms	$0.02
2026-10-11 02:45	Valid 402	402	480 ms	$0.02
2026-10-10 22:15	Valid 402	402	244 ms	$0.02

Receipts

No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.

What a check proves