TrustyData

TrustyData publishes its OpenAPI at https://api.trustydata.app/services/v1/openapi.json, readable without an account. The same services run as an MCP server at https://mcp.trustydata.app/mcp over OAuth 2.1. It works with claude.ai, Claude Desktop, ChatGPT developer mode and editors such as Cursor, VS Code or Zed. The REST API takes one address per request and returns stable JSON. Address checks run against the 26 million addresses of the French BAN registry. Company search runs against 43 million establishments from INSEE Sirene. Travel time isochrones cover 1 to 30 minutes by car, on foot or by bike, computed on OpenStreetMap. Prices are on the website: Discovery €0, Starter €19, Growth €79, Business €149 per month. Authentication uses an API key. All products are available as live demos here: https://trustydata.fr/demo Full API reference documentation is available here: https://trustydata.fr/docs/reference.html And the complete documentation: https://trustydata.fr/docs/ No sales call is required to start. Every response credits its source: BAN, INSEE, IGN, OpenStreetMap under ODbL, INPI.