# metaend Grade — full

> Agent-readiness scanner. Probes a target site the way an AI agent would and
> returns a graded report across discovery files, content negotiation, A2A,
> ERC-8004, identity, and payment protocols.

## Endpoints
- GET https://metaend-grade.fly.dev/api/scan?url=<target>      Full per-check report (JSON).
- GET https://metaend-grade.fly.dev/api/v1/scan?url=<target>   Compact report: grade, score, categories.
- GET https://metaend-grade.fly.dev/api/receipt/<id>           Look up a paid-scan receipt.

## Payments
Scans beyond the free tier are gated with the open x402 standard (HTTP 402 +
X-PAYMENT header). Terms are advertised at https://metaend-grade.fly.dev/.well-known/x402.json.
Price: 1 USDC. Network: base, arbitrum.

## Content negotiation
Send Accept: application/json to any page to receive JSON instead of HTML.

## Free tier
2 free scans per identity per rolling window. Demo mode never counts.