API + MCP

Build on evidence.

Base URL: https://fluxproof.neoaethel.workers.dev. Send API keys as Authorization: Bearer fp_…. MCP endpoint: https://fluxproof.neoaethel.workers.dev/mcp.

Free preflight

POST /v1/preflight
{"url":"https://example.com"}

Create monitor

POST /v1/monitors
Authorization: Bearer fp_…
{"url":"https://example.com/pricing","watch_terms":["price"]}

Read changes

GET /v1/monitors/{id}/changes
Authorization: Bearer fp_…

Agent discovery

GET /.well-known/agent-commerce.json
GET /.well-known/mcp/server-card.json
POST /mcp

Payment authority always belongs to the buyer. Offer discovery and free preflight never charge.

Coverage boundary

FluxProof fetches public HTTP or HTTPS text, HTML, JSON, and XML responses up to 3 MB. It does not sign in, solve bot challenges, or run a browser for JavaScript-only and authenticated pages.