# Pauhu Builders > Call Pauhu AI from programs and devices over HTTPS. Full machine guide: https://api.pauhu.ai/llms.txt - OpenAPI: https://api.pauhu.ai/v1/specification - Device firewall rules: https://github.com/pauhu/device-firewall - MCP (streamable HTTP, secondary): https://api.pauhu.ai/mcp (Authorization: Bearer) - MCP server card: https://api.pauhu.ai/.well-known/mcp.json - A2A card: https://api.pauhu.ai/.well-known/agent-card.json - Offers and prices: https://api.pauhu.ai/v1/lds/outputs - Changes: https://pauhu.ai/changes.json - Answers with their sources: https://pauhu.ai/ - European data with official origins: https://pauhu.eu/ - About Pauhu: https://pauhu.com/ - Community: Pauhu Insiders on Discord: https://discord.gg/tCBF5swNbV - Community discussions (Announcements, Q&A, Ideas, Show and tell): https://github.com/pauhu/mcp/discussions ## We go further (Know-how × machines) No more copy-pasting and clicking. - Price, coming: one price per day of use for each device, each device with its own key; payments are not open yet, the price shows when they open - Translate tool: coming: any language, on the device, with terms checked against official EU terminology - Click steps: coming: where Pauhu can't act yet, numbered click steps, and running them as an acceptance test - On the device: reading text in a photo and reading text aloud run in the browser on the device, free; more is coming