# x402 AI Gateway
> Ultra-fast AI and utility APIs. Powered by Groq (Llama 70B, Qwen QwQ 32B). Pay-per-call with USDC on Base L2.

## Base URL
https://x402-ai-gateway.onrender.com

## Protocol
x402 (HTTP 402 Payment Required)
Payment: USDC on Base (EIP-155:8453)
Facilitator: https://x402.org/facilitator
PayTo: 0x2C9297896F609718Fd2FeECFaCA019CFD8d2d1B7

## Standard AI (Llama 3.3 70B - $0.003-$0.01)
- POST /api/summarize ($0.003) - Summarize text
- POST /api/translate ($0.005) - Translate to any language
- POST /api/explain-code ($0.005) - Explain code
- POST /api/write ($0.01) - Generate content
- POST /api/analyze-sentiment ($0.003) - Sentiment analysis
- POST /api/chat ($0.005) - General Q&A
- POST /api/rewrite ($0.005) - Improve text
- POST /api/proofread ($0.003) - Fix grammar
- POST /api/brainstorm ($0.01) - Generate ideas
- POST /api/eli5 ($0.003) - Explain like I'm 5
- POST /api/extract-keywords ($0.003) - Extract keywords
- POST /api/generate-title ($0.003) - Generate headlines
- POST /api/compare ($0.005) - Compare two things
- POST /api/code-review ($0.01) - Review code for bugs
- POST /api/sql-generate ($0.01) - Natural language to SQL
- POST /api/regex-generate ($0.005) - Natural language to regex

## Pro AI (Qwen QwQ 32B - $0.02-$0.03)
- POST /api/pro/chat ($0.02) - Deep reasoning Q&A
- POST /api/pro/write ($0.03) - Best quality writing
- POST /api/pro/code-review ($0.03) - Deep code analysis

## Utility ($0.001)
- POST /api/text-stats - Word count, reading time
- POST /api/json-format - JSON formatting
- POST /api/base64 - Base64 encode/decode
- POST /api/password-strength - Password analysis
- POST /api/hash - MD5/SHA256/SHA512

## Discovery
- GET /.well-known/x402 - Agent manifest
- GET /llms.txt - This file
- GET /api - JSON directory
- GET /health - Health check