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agents.chain.link x402 API: grades and paid tests

agents.chain.link has 2 x402 endpoints in our catalog. Right now: 2 caution. Best grade: C.

2Caution
0Passed a paid test

Every endpoint on agents.chain.link

Best grades first. Open an endpoint for its full history: uptime, price and payout-wallet changes, and paid-test results with signed receipts.

Endpoint	Grade	Verdict	Uptime (7 days)	Response time	Paid test passed
/v1/register	C	Caution	92%	772 ms	–
/v1/wallets	C	Caution	100%	636 ms	–

About agents.chain.link

Is agents.chain.link safe to pay?

agents.chain.link's endpoints work in monitoring, but delivery isn't confirmed by a paid test yet, so they're rated Caution. Set a low spend limit, or have your agent call check_payment with the exact quote first.

How are these grades made?

Lumière PayCheck checks every endpoint about every 30 minutes: does it answer with a valid x402 quote, is the price and payout wallet stable. Then we pay some of them for real and check the response against what the listing promised. Failures are re-tested before they count. How it works.

Can my agent check agents.chain.link before paying?

Yes, for free. Call check_payment (API or MCP) with the endpoint, amount and payTo from the 402 quote, and pay only if it returns allow. Check an endpoint now.

Do you run agents.chain.link? Prove your endpoints work: get tested, check your setup, or add endpoints we're missing. Every seller's results are public, here and in the full catalog.