# EvidenceCheck

Pay-per-call x402 APIs for AI agents.

## Webpage Extractor
POST https://evidencecheck-api.onrender.com/web-extract
Price: $0.005 USDC. Network: Base Mainnet (eip155:8453). Payee: 0x031a713863890eb611776aadd48397873ed153ab
Input: {"url":"https://example.com"}
Returns title, description, canonical URL, language, headings, clean text, links, status and response timing.

## Website Security Preflight
POST https://evidencecheck-api.onrender.com/site-audit
Price: $0.01 USDC. Network: Base Mainnet (eip155:8453). Payee: 0x031a713863890eb611776aadd48397873ed153ab
Input: {"url":"https://example.com"}
Returns live public-site signals: status, final URL, response time, HTTPS, security headers, cookie flags, Server disclosure, robots.txt, security.txt, title and findings.

## Business Document Analyzer
POST https://evidencecheck-api.onrender.com/analyze
Price: $0.01 USDC. Network: Base Mainnet (eip155:8453). Payee: 0x031a713863890eb611776aadd48397873ed153ab
Input: {"text":"business document text"}
Returns structured dates, monetary amounts, obligations, security signals, missing areas and risk flags.

## Vendor Security Preflight
POST https://evidencecheck-api.onrender.com/vendor-preflight
Price: $0.025 USDC. Network: Base Mainnet (eip155:8453). Payee: 0x031a713863890eb611776aadd48397873ed153ab
Input: {"url":"https://example.com","requirements":["HTTPS","HSTS"]}
Returns observable public controls with source/timestamp, relevant public evidence-page signals, gaps, coverage and targeted next questions. The legacy riskLevel field is a public-site signal bucket, not a vendor-risk rating.

## Discovery
- https://evidencecheck-api.onrender.com/.well-known/x402
- https://evidencecheck-api.onrender.com/.well-known/ai-plugin.json
- https://evidencecheck-api.onrender.com/openapi.json
- https://evidencecheck-api.onrender.com/llms.txt

Unpaid POST requests return HTTP 402 with x402 payment requirements.