assay.nominal-labs.com

Quality score for any x402 service, earned by real paid probes with on-chain receipts: composite 0-100, component breakdown (payment settlement, schema conformance, ground-truth accuracy, LLM-judged quality), 7-day trend, probe count. Scores publish only after 20+ probes across days; daily corpus digests are Bitcoin-anchored via OpenTimestamps. Query: /score?service={url-encoded resource URL}. Free: /tier/{url}, /leaderboard. Agent guide: https://assay.nominal-labs.com/SKILL.md

Endpoint

https://assay.nominal-labs.com/score

Price

$0.005 / call

Settles via

cdp

Category

—

Last seen live

Tue, 08 Sep 2026 05:23:37 UTC

Last probed

Tue, 08 Sep 2026 05:23:37 UTC

First indexed

Tue, 08 Sep 2026 05:22:23 UTC

Sources

cdp-x402

Probe history

Last 1 probes, newest on the right. 100% answered with a payment challenge.

JSON: /api/v1/services/assay.nominal-labs.com. Own this service? Update the listing.