# Composed Chaos — speed-to-lead APIs > Developer APIs from a production AI lead-response platform for home-services > businesses: appointment feasibility (drive-time-aware scheduling), service-area > verdicts, marketplace lead-email parsing, and an MCP server that exposes the > whole pipeline as tools for AI agents. $49/mo Developer plan, self-serve keys, > monthly hard spending caps (no surprise bills). ## Docs - [API reference](https://api.composedchaos.net/docs/): every REST endpoint (base https://api.composedchaos.net/stl-api/v1) and the MCP connection guide. ## Products - [Appointment Feasibility API](https://composedchaos.net/api/drivetime.html): which appointment slots can a field technician actually reach — road-network drive times, buffers, and the day's jobs in one call. Full-US coverage. - [Service-Area API](https://composedchaos.net/api/service-area.html): "do you service this address?" against the vendor's own policy (radius, max drive time, zip/city lists) — explainable true/false/unknown, bring-your-own-policy. - Lead-email parsing: Angi/Thumbtack/Google LSA notification email in, clean JSON lead out ($0.02/parse). - MCP server: `net.composedchaos/speed-to-lead` in the official MCP registry; streamable HTTP at https://api.composedchaos.net/stl-mcp/ (bearer = API key). ## Signup - [Get a key](https://composedchaos.net/api/): shown instantly, activates on Developer-plan checkout ($49/mo, 10,000 queries + 200 parses included). ## Contact - stl@composedchaos.net