{"name":"LLM Receipts","version":"1.0.0","description":"HMAC-signed cryptographic receipts for AI-generated content. Use to prove \"this content came from THIS model at THIS time, with THIS prompt hash\".","endpoints":{"health":"GET /llm-receipts/health","issue":"POST /llm-receipts/issue  body:{model,prompt,output,meta?}","verify":"POST /llm-receipts/verify  body:{receipt}  OR  ?token=<jwt-like>","decode":"GET  /llm-receipts/decode?token=...","openapi":"GET /llm-receipts/openapi.json"},"pricing":{"pro":"$29/mo — 100K receipts/mo, 1yr retention proof window","compliance":"$199/mo — 5M receipts/mo, audit-log export, dedicated key id"},"buy":"https://coindany.gumroad.com/l/llm-receipts-pro"}