Patter

Patter is an open-source SDK that lets you attach AI agents to live phone calls using Python or TypeScript. It is MIT-licensed and designed for sub-500 ms latency, enabling real-time voice interactions. The platform also offers a hosted Patter Cloud runtime with managed carriers for easier deployment.

Features

• Connect any AI agent to real phone calls in four lines of code.
• Python and TypeScript SDKs, MIT licensed.
• Sub-500 ms latency for real-time voice.
• Integrates with major services (Twilio, Telnyx, OpenAI Realtime, ElevenLabs, Deepgram, Anthropic, Cartesia).
• Open-source signal with a public repository.
• Patter Cloud hosted runtime and managed carriers.

Who Is It For?

• Developers building AI-powered voice agents needing real-time phone-call integration.
• Teams seeking an MIT-licensed, open-source voice infrastructure with optional hosted runtime.

Use Cases

• Inbound and outbound calls handled by a single agent pipeline.
• End-to-end voice pipelines with pluggable STT/LLMs/TTS components.
• Dev/test workflows with tunnel support and a built-in dashboard for monitoring.

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