Api Endpoint

factstamp.agentrails.workers.dev

Call it before you send, file or publish a document that quotes figures, names companies or cites papers. Post the text and every checkable claim comes back verified against dated primary sources, as…

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Offering

Provider: factstamp.agentrails.workers.dev
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Web Search Research
Delivery: Not provided
Pricing model: Not provided
x402 version: 1

Endpoint context

URL: https://factstamp.agentrails.workers.dev/document
MIME type: Not provided
First seen: 2026-10-16T02:31:42.047Z
Last seen: 2026-10-26T00:13:59.834Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32"
  }
]

Observed health

Status: Degraded
Latest latency: 1330 ms
Average latency: 958 ms
HTTP status: 308
Last checked: 2026-11-02T06:36:03.805Z
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

{}

Output schema

null