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Pick the surface that matches the caller. Every surface uses the same profile, proofs, and permissions.

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Rules for every integration

  • Browsers use the SDK or Hosted Verify. Never put secrets or hand-built auth headers in browser code. Proxy through your server instead.
  • Servers run gate checks, raw HTTP, and anything that needs a credential.
  • Access keys (npk_*) belong on servers and in CI only. Never use a wallet private key as an MCP credential. Access keys
  • 402 responses carry a quote. Pay per call with x402, or add credits and retry.
  • Proof IDs and URLs come from responses. Never construct or guess one.

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Machine-readable exports

This docs site also serves a search-only MCP endpoint at https://docs.proofable.me/mcp. It searches these pages. Your profile, proofs, and agents live at https://mcp.proofable.me/mcp.

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Sections

MCP

Tools, sign-in, and discovery.

JavaScript SDK

Client, gates, agents, widgets, and CLI.

HTTP API

Endpoints, authentication, errors, and limits.

Verifier catalog

Every check and its inputs.
Last modified on September 12, 2026