Speech APIs, made in India

Hindi TTS, STT and LLM APIs. First call in five minutes.

Mira TTS speaks, Mira STT listens and Mira LLM replies. One key works across the API, and your sandbox starts with ₹200 of credit.

Open the sandbox Read the quickstart

No sign-up to look around. We ask for an email when you create a key.

First audio, one request POST /v1/audio/speech

curl https://sandbox.voice.miraiminds.co/v1/audio/speech \
  -H "Authorization: Bearer $MIRA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mira-tts",
    "voice": "ashu",
    "response_format": "wav",
    "input": "नमस्ते, मैं आशु बोल रहा हूं। आपका ऑर्डर तैयार है।"
  }' \
  --output speech.wav

from openai import OpenAI

client = OpenAI(
    api_key="sk_live_...",
    base_url="https://sandbox.voice.miraiminds.co/v1",
)

with client.audio.speech.with_streaming_response.create(
    model="mira-tts",
    voice="ashu",
    response_format="pcm",
    input="चलिए numbers से start करते हैं।",
) as response:
    for chunk in response.iter_bytes():
        ...  # raw s16le mono @ 48 kHz

OpenAI’s speech protocol: change the base URL and the model name, keep the rest of your code.

₹200sandbox credit to start
5 minquickstart, to a real phone call
₹1.80per 1,000 characters of speech
9.12%WER on the RinggAI Hindi benchmark

The APIs

Three models and the calls they run in.

Text to speech

Mira TTS

₹1.80 per 1,000 characters. 48 kHz mono PCM16 as WAV or raw PCM, or 8 kHz μ-law for phone lines. Pay as you go with 5 concurrent requests.

Mira TTS TTS quickstart TTS cost calculator

Speech to text

Mira STT

9.12% normalised WER across all 10,000 utterances of the RinggAI Hindi benchmark, the lowest of the five systems in the report.

Mira STT Transcriptions API

Language

Mira LLM

₹14.38 input and ₹57.52 output per 10,00,000 tokens. Pay as you go at 1,000 requests a minute.

LLM pricing Billing and tiers

Calls

Voice agents

Put the three together on a phone call with POST /v2/calls. ₹5 a minute on T5, phone calling included.

Quickstart AI calling agents

Quickstart

Four requests and one real phone call.

The quickstart takes five minutes. You need a key, a number you are allowed to call, and a public HTTPS URL for webhooks. ngrok is fine while you build.

Open the quickstart

Create a key
Create an agent
Place a call
Receive the webhook

Questions

Which languages do the APIs support?

Hindi, Hinglish, English and Gujarati are live, and Mira TTS code-switches between Devanagari Hindi and Roman English in one sentence.

How is text to speech billed?

₹1.80 per 1,000 characters from a prepaid wallet. Pay as you go has 5 concurrent requests; Business has 25, with a ₹50,000 monthly commitment. All prices exclude GST.

Do I need to talk to sales?

No. Open the sandbox, add an email when you create a key, and start with ₹200 of credit. Talk to us when you need a dedicated endpoint or an SLA.

Does it work with the OpenAI SDK?

Mira TTS speaks OpenAI’s POST /v1/audio/speech protocol, so the OpenAI SDKs work with a new base URL and model name. The same key works for the rest of the v2 API.

Your first request is five minutes away.

Open the sandbox, create a key and send the request above. The wallet starts at ₹200.

Open the sandbox Read the quickstart