# Site Analyzer Agent API

> Machine-to-Machine programmatic API for autonomous AI agents, LLM assistants, and developer workflows to purchase and run technical website SEO audits.

## Products & Pricing Matrix
- **Quick SEO Checkup ($7 USD)**: Instant technical health scan evaluating titles, meta tags, security headers, canonical redirects, DNS, and mobile responsiveness. Returns health score (0-100), issues list, and passed checks.
- **Deep Full SEO Audit ($39 USD)**: Exhaustive 30+ check technical audit analyzing deep page architecture, site speed, accessibility, white-label audit reports, and detailed code remediation instructions.

## Authentication
All agent endpoints require a Bearer token in the request header:
`Authorization: Bearer agent_sk_live_...`

Pre-funded credit balances are deducted automatically per successful scan ($7.00 for Quick Checkup, $39.00 for Full Audit).

## Endpoints
- `POST /api/v1/agent/checkup.php`: Run Quick SEO Checkup ($7 USD). Accept parameters `{"domain": "example.com", "format": "json"|"markdown"}`.
- `POST /api/v1/agent/full-audit.php`: Run Deep Full SEO Audit ($39 USD). Accept parameters `{"domain": "example.com"}`.
- `GET /openapi.json`: OpenAPI 3.0 specification file.

## Response Formats
Requests support `format: "json"` (structured key-value data) or `format: "markdown"` (clean Markdown summary tailored for LLM prompt contexts).