Discover / claim-grounding.prospectintel.workers.dev

claim-grounding.prospectintel.workers.dev

□ No challenge detected

x402
Base
USDC

Listed price: $0.05
Challenge detected: 0 of the last 9 checks
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://claim-grounding.prospectintel.workers.dev/v1/extract_claims
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://claim-grounding.prospectintel.workers.dev/v1

POST/deep_verify$0.75Deep verify. Checks a claim against Wikipedia, Google News titles, Europe PMC reviews and trials (health and science claims), FRED data (US economic indicators), Wikidata structured facts (dates, quantities, offices held) and SEC EDGAR filings (US public companies: financials, listing status, former names), and flags a contradiction when sources disagree. Async: returns a job_id; poll GET /v1/jobs/{id} (free) for verdict, evidence for and against, citations and receipt. $0.75 USDC.
POST/extract_claims$0.05Extract claims. Splits text into atomic, checkable claims with character spans, grounding_required, claim_type (number|date|quantity|quote|named_entity_fact|comparison|opinion|prediction|other) and check_worthiness (high|medium|low). Strips hedges, resolves pronouns across sentences, and splits compound sentences. $0.05 USDC.
POST/verify_claim$1Verify claim. Checks one factual claim against public sources (Wikipedia) and returns a verdict (supported, contradicted, outdated, mixed or insufficient_evidence) with confidence, a short reason, the quote and source URL, and a receipt. $1.00 USDC.
POST/check_answer$1Check 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.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/claim-grounding.prospectintel.workers.dev

Recent checks

3 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	No challenge detected	404	186ms
16 Oct, 04:38 UTC	No challenge detected	404	190ms
14 Oct, 19:26 UTC	No challenge detected	404	167ms
12 Oct, 22:31 UTC	No challenge detected	404	156ms
11 Oct, 00:15 UTC	No challenge detected	404	206ms
9 Oct, 15:32 UTC	No challenge detected	404	121ms
8 Oct, 09:33 UTC	No challenge detected	404	78ms
7 Oct, 03:32 UTC	No challenge detected	404	318ms
3 Oct, 17:05 UTC	No challenge detected	404	74ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 17 Oct, 08:59 UTC, we detected no payment challenge.

What price is recorded for claim-grounding.prospectintel.workers.dev?

Its listed price is $0.05.

What payment terms does claim-grounding.prospectintel.workers.dev advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is claim-grounding.prospectintel.workers.dev listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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