# x402 API Network
> Micropayment-powered API network for AI agents. Pay per API call with USDC on Base L2.

## Base URL
https://x402.fatihai.app

## Protocol
x402 (HTTP 402 Payment Required) — USDC micropayments on Base (eip155:8453)

## Discovery
- Machine-readable manifest: https://x402.fatihai.app/.well-known/x402
- Free discovery endpoint: https://x402.fatihai.app/
- Health check: https://x402.fatihai.app/health

## Available APIs

### High-Value APIs (Recommended)
- [POST /api/verify-email](https://x402.fatihai.app/api/verify-email): Email verification: syntax, MX records, disposable detection, role-based check, free provider detection. Returns score 0-100. ($0.01/call)
- [POST /api/domain-health](https://x402.fatihai.app/api/domain-health): Domain email health analysis: MX, SPF, DKIM, DMARC checks with score and actionable improvement tips. ($0.01/call)
- [GET /api/scrape](https://x402.fatihai.app/api/scrape): Web scraping: fetch any URL and extract clean text, links, images, headings, and structured data. ($0.01/call)
- [POST /api/ai-generate](https://x402.fatihai.app/api/ai-generate): AI content generation powered by Llama 3.3 70B. Types: blog_post, product_description, email_copy, social_media, landing_page, seo_article. ($0.05/call)

### Utility APIs
- [GET /api/dns-lookup](https://x402.fatihai.app/api/dns-lookup): DNS record lookup for any domain. Returns A, AAAA, MX, TXT, NS records. ($0.001/call)
- [GET /api/whois](https://x402.fatihai.app/api/whois): WHOIS domain information lookup. Returns registrar, creation date, expiry, nameservers. ($0.005/call)
- [GET /api/ip-info](https://x402.fatihai.app/api/ip-info): IP reverse DNS lookup and type detection. ($0.001/call)
- [GET /api/qr-code](https://x402.fatihai.app/api/qr-code): Generate QR code as base64 PNG for any text or URL. ($0.002/call)
- [GET /api/url-meta](https://x402.fatihai.app/api/url-meta): Extract metadata from any URL: title, description, og:image, favicon. ($0.003/call)
- [GET /api/html-to-markdown](https://x402.fatihai.app/api/html-to-markdown): Fetch any URL and convert its HTML content to clean Markdown. ($0.002/call)
- [GET /api/ssl-check](https://x402.fatihai.app/api/ssl-check): Check SSL/TLS certificate details for any domain. ($0.003/call)
- [GET /api/http-headers](https://x402.fatihai.app/api/http-headers): Fetch and return HTTP response headers for any URL. ($0.001/call)
- [GET /api/password-strength](https://x402.fatihai.app/api/password-strength): Analyze password strength: score 0-8, level, and improvement suggestions. ($0.001/call)
- [GET /api/text-stats](https://x402.fatihai.app/api/text-stats): Text analysis: word count, character count, reading time, sentence count. ($0.001/call)
- [POST /api/json-format](https://x402.fatihai.app/api/json-format): Format, validate, and minify JSON data. ($0.001/call)
- [POST /api/base64](https://x402.fatihai.app/api/base64): Encode or decode base64 strings. ($0.001/call)

## Payment
Wallet: 0x0451CF4084B8E2fD8E3e14E2667F045127898cb4
Network: Base Mainnet (eip155:8453)
Currency: USDC
Facilitator: Coinbase CDP (https://api.cdp.coinbase.com/platform/v2/x402)

## How to Use
1. Send request to any endpoint
2. Receive HTTP 402 with payment requirements
3. Sign USDC payment with your wallet
4. Resend request with PAYMENT-SIGNATURE header
5. Receive API response