the402 endpoint detail

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freshproof-api-mainnet.up.railway.app v1 evidence-pack

https://freshproof-api-mainnet.up.railway.app/v1/evidence-pack

payable

Fetches up to five public web sources through FreshProof’s hardened retrieval pipeline and returns sanitized, prompt-injection-scanned, citation-ready evidence with deterministic hashes and provenance metadata.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x79f29Dade1df4889357817a797516615a918Ade2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
176 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:36.396Z (4d ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ffreshproof-api-mainnet.up.railway.app%2Fv1%2Fevidence-pack"