claim-grounding.prospectintel.workers.dev/v1/check_answer

claim-grounding.prospectintel.workers.dev · x402

Check answer. Splits an AI answer into claims and checks each against Wikipedia, Wikidata and (for current claims) news. Returns per-claim verdict, confidence, quote, source URL and sentence, a source-quoted suggested_correction for wrong claims, and an answer summary with problem_sentences. $1.00 USDC.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 04:11 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

1 wallet paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Evidence

1 of 4 shown

Answers when askedShown
Answered a check 10 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 0 days; 30 are needed.
Independent paying walletsNot shown
1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.

Decided 26 Oct 2026, 14:48 UTC by method 2026.10.1, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://claim-grounding.prospectintel.workers.dev/v1/check_answer

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 17:13 UTC
Wallets named: 0x485ffc037f02dddc154a454a9ca89c4b1b29e25bnamed by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 25 Oct 2026, 17:53 UTC

Payments

different wallets paid it, last 30 days: 1
paid calls, last 30 days: 3
last paid call (UTC): 14 Oct, 17:40

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 17:13 UTC. addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
claim-grounding.prospectintel.workers.dev	x402	Live	26 Oct, 04:11	26 Oct, 04:11	100%	100%	—

History

26 Oct 2026, 14:41 UTCFirst recorded as answering. (already true when recording began)https://claim-grounding.prospectintel.workers.dev/v1/check_answer#150104
26 Oct 2026, 14:38 UTCListed by the x402 Bazaar. The listing names wallet 0x485ffc037f02dddc154a454a9ca89c4b1b29e25b. (already true when recording began)the x402 Bazaar#72339

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

claim-grounding.prospectintel.workers.dev

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/claim-grounding-prospectintel-workers-dev-v1-check-answ-8aa2f678/badge.svg)](https://addrbook.com/agents/claim-grounding-prospectintel-workers-dev-v1-check-answ-8aa2f678)