Nova-2 Phonecall API

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Nova-2: Advanced, versatile ASR model for diverse transcription needs.

Modalities: AudioText
Model type: Speech to text
Released: Dec 30, 2025

Nova-2 Phonecall overview

Nova-2 Phonecall specs

Model ID: deepgram/nova-2-phonecall
Developer: Deepgram
Input: Audio
Output: Text
Endpoint: POST https://api.aimlapi.com/v1/stt/create

Nova-2: Advanced, versatile ASR model for diverse transcription needs.

Nova-2 Phonecall API Pricing
- Pricing on request

Transcription
Convert calls, meetings, and media into accurate, searchable text.

Captioning and indexing
Generate subtitles and make audio archives searchable.

Use cases

Live phone-line transcription is a documented fit for Nova-2 Phonecall, which is optimized for low-bandwidth audio phone calls and is described as appropriate when the agent runs on a live phone line.

Real-time contact center transcription and automation are listed as use cases for the model, including Amazon Connect and Lex workflows built around phone-call audio.

Streaming transcription for live captioning is also documented, with the model described as supporting real-time streaming over WebSocket and being suited to live captioning and streaming transcription.

Multi-speaker conversation transcription is another documented use case, with the model positioned for multi-speaker conversations on phone-call audio.

How to use the Nova-2 Phonecall API

View docs

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key

export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/stt/create' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "deepgram/nova-2-phonecall"
}'

import os
import requests

headers = {
    "Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
    "Content-Type": "application/json",
}
payload = {
    "model": "deepgram/nova-2-phonecall"
}

response = requests.post("https://api.aimlapi.com/v1/stt/create", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())

const response = await fetch("https://api.aimlapi.com/v1/stt/create", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "deepgram/nova-2-phonecall"
  }),
});

if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());

The request returns a generation id. Poll GET https://api.aimlapi.com/v1/stt/create?generation_id=<id> until the status is completed.

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Nova-2 Phonecall FAQ

What inputs and outputs does Nova-2 Phonecall support?

Nova-2 Phonecall takes audio as input and returns text.

When was Nova-2 Phonecall released?

Nova-2 Phonecall became available on December 30, 2025.

How much does Nova-2 Phonecall cost?

Nova-2 Phonecall is priced at output $0.00009317 / sec.

Who created Nova-2 Phonecall?

Nova-2 Phonecall was built by Deepgram.

How do I call Nova-2 Phonecall on AI/ML API?

Use deepgram/nova-2-phonecall as the model id on AI/ML API.

Is Nova-2 Phonecall available through a single API key?

Yes. Nova-2 Phonecall is served through AI/ML API, so the same key and endpoint format used for other models applies.

What is the model ID used to reference Nova-2 Phonecall?

The model ID is deepgram/nova-2-phonecall.

Start building with Nova-2 Phonecall

Get API key