Index onlineMerchant portal
Api Endpoint

claim-grounding.prospectintel.workers.dev

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.

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Offering

Provider
claim-grounding.prospectintel.workers.dev
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Data
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://claim-grounding.prospectintel.workers.dev/v1/extract_claims
MIME type
application/json
First seen
2026-10-16T01:50:45.949Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x485FfC037f02dDDc154A454a9cA89C4B1b29e25b"
  }
]

Observed health

Status
Healthy
Latest latency
89 ms
Average latency
452 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "properties": {
    "type": {
      "const": "http"
    },
    "method": {
      "const": "POST"
    },
    "bodyType": {
      "const": "json"
    },
    "body": {
      "type": "object",
      "required": [
        "text"
      ],
      "properties": {
        "text": {
          "type": "string",
          "minLength": 1,
          "description": "Text to split into claims."
        }
      }
    }
  }
}

Output schema

{
  "properties": {
    "input": {
      "properties": {
        "body": {
          "properties": {
            "text": {
              "description": "Text to split into claims.",
              "minLength": 1,
              "type": "string"
            }
          },
          "required": [
            "text"
          ],
          "type": "object"
        },
        "bodyType": {
          "const": "json"
        },
        "method": {
          "const": "POST"
        },
        "type": {
          "const": "http"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "const": "json"
        }
      },
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}