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Documentation Index

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Cartesia STT

Streaming speech-to-text using Cartesia’s ink-whisper model. Uses ws, no vendor SDK required.

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Install

npm install getpatter

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Usage

import { CartesiaSTT } from "getpatter";

const stt = new CartesiaSTT();                                    // reads CARTESIA_API_KEY
const stt2 = new CartesiaSTT({ apiKey: "csk_...", language: "en" });
Plug it into an agent: 
// npx tsx example.ts
import { Patter, Twilio, CartesiaSTT, ElevenLabsTTS } from "getpatter";

const phone = new Patter({ carrier: new Twilio(), phoneNumber: "+15550001234" });

const agent = phone.agent({
  stt: new CartesiaSTT(),                             // CARTESIA_API_KEY from env
  tts: new ElevenLabsTTS({ voiceId: "rachel" }),
  systemPrompt: "You are a helpful assistant.",
});

await phone.serve({ agent });
Supported sample rates: 8000, 16000, 24000, 44100, 48000 Hz.