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Mercury x402 API

Deterministic financial data with cryptographic provenance. Payment required via x402 protocol (HTTP 402 + USDC on Base). All paid endpoints require `Authorization: Bearer x402_<token>` header. **Payment Flow:** 1. Call endpoint without a

github:dudman1/mercury402#docs_openapi.yaml.bak-20260309-184304 · published by dudman1 · source repository