PHION Evidence Engine
Fetches a public URL, hashes the bytes, and returns a signed observation. Not a guarantee about the site. POST /v1/paid/fetch-evidence $0.004 USDC on Base. Paid body may report HTTP 206.
x402 verified · Verified on /v1/paid/fetch-evidence · $0.004 · $0.004 USDC/request · 3 endpoints / 3 tools · Verification · base network · x402 protocol
How to call this API
Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.