AI phone agents that hear callers correctly, follow instructions, and run at 2–9¢ a minute. Phone, web and app channels; 47 languages; SIP and carrier bring-your-own-number; testing and grading built in.
Build on it from your coding agent:
- Skills for Claude Code, Codex, Cursor and any Agent Skills client:
npx skills add thunderphone/skills - MCP server:
https://api.thunderphone.com/v1/mcp(agents, numbers, calls, tests, knowledge, campaigns, imports) - Docs for agents: https://thunderphone.com/docs/llms.txt · any docs page as Markdown by appending
.md - API: https://thunderphone.com/docs · OpenAPI at https://thunderphone.com/docs/openapi.json
- Examples: thunderphone/examples
- Coming from Vapi, Retell, Bland or ElevenLabs? https://thunderphone.com/import
Site: https://thunderphone.com · Developers: https://thunderphone.com/developers
