claim-grounding.prospectintel.workers.dev
claim-grounding.prospectintel.workers.dev · 4 paid endpoints · listed 2026-10-27
Extract 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.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | claim-grounding.prospectintel.workers.dev/v1/extract_claims Extract claims. Splits text into atomic, checkable claims with character spans, grounding_required, claim_type (number|date|quantity|quote|named_entity_fact|com | $0.05 | Base |
| POST | claim-grounding.prospectintel.workers.dev/v1/deep_verify Deep verify. Use when a claim is high-stakes, or when Check answer or Extract claims marks it unsure (next_step). Checks it against Wikipedia, Wikidata, Google | $0.75 | Base |
| POST | claim-grounding.prospectintel.workers.dev/v1/check_answer Check answer. Splits an AI answer into claims and checks each against Wikipedia, Wikidata and (for current claims) news. Returns per-claim verdict, confidence, | $1.00 | Base |
| POST | claim-grounding.prospectintel.workers.dev/v1/verify_claim Verify claim. Checks one factual claim against public sources (Wikipedia) and returns a verdict (supported, contradicted, outdated, mixed or insufficient_eviden | $1.00 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 25 h ago | claim-grounding.prospectintel.workers.dev/v1/deep_verify | 402 | 145 | valid x402 v2 terms |
| 6 days ago | claim-grounding.prospectintel.workers.dev/v1/check_answer | 402 | 399 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-10-30 | 1 | $0.10 | |
| 2026-10-29 | 1 | $0.10 |
Is this your API?
<a href="https://logicnodes.io/observatory/p/claim-grounding.prospectintel.workers.dev"><img src="https://logicnodes.io/observatory/badge/claim-grounding.prospectintel.workers.dev.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/claim-grounding.prospectintel.workers.dev