# MPP Review API > Pay-per-use AI code review. $0.05 USDC per review via Tempo MPP. ## Endpoint POST https://mpp-review-api.vercel.app/api/review ## Payment - Protocol: MPP (Machine Payments Protocol) - Amount: $0.05 USDC per request - Chain: Tempo mainnet (Chain ID 4217) - Recipient: 0xb493ef19b9867d42d3df6c88b723b5aacdb6c436 ## Request Content-Type: application/json Body: { "code": "your code string here" } ## Response { "review": "Pre-Landing Review: N issues (X critical, Y informational)\n\nCRITICAL:\n- [file:line] Problem\n Recommended fix: ...\n\nINFORMATIONAL:\n- [file:line] Problem\n Recommended fix: ..." } ## Review Categories CRITICAL: SQL injection, race conditions, LLM trust boundary, enum completeness, XSS INFORMATIONAL: conditional side effects, dead code, test gaps, crypto entropy, type coercion ## Usage tempo request -X POST --json '{"code":"your code"}' https://mpp-review-api.vercel.app/api/review ## Source - Review checklist: https://github.com/garrytan/gstack - GitHub: https://github.com/Hugo6991/mpp-review-api - Website: https://mpp-review-api.vercel.app