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Friday API Platform

One API for chat, images, speech, transcription, and agents, billed in INR.

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Sandbox: no model calls are made and nothing is charged until the gateway is configured. Requests return placeholder output so you can test your integration.

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₹50.00
Promotional credit for new accounts to try the API. It has no cash value.
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Pay as you go
INR
Prepaid balance, charged per request at the published rate.
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Quickstart

Full documentation
Base URLhttps://api.billionairestechnologies.com/api/v1

Set FRIDAY_API_KEY to a key that starts with fr_live_. Call the API from your server only; never ship a key in browser or mobile code.

curl https://api.billionairestechnologies.com/api/v1/chat/completions \
  -H "Authorization: Bearer $FRIDAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "bt-spark", "messages": [{"role": "user", "content": "Hello"}]}'

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Models

Compare models and prices
Sparkbt-spark

Fast chat for support, routing, and high volume.

Chat₹40.00 in · ₹160.00 out / 1M tokens
Novabt-nova

General chat for writing, analysis, and agents.

Chat₹250.00 in · ₹1,000.00 out / 1M tokens
Visionbt-vision

Chat that accepts image inputs.

Chat₹200.00 in · ₹800.00 out / 1M tokens
Canvasbt-canvas

Image generation, billed per image.

Image₹8.00 / image
Voicebt-voice

Spoken audio from text, billed per 1,000 characters.

Speech₹15.00 / 1,000 characters
Earbt-ear

Transcription, billed per audio minute.

Transcription₹6.00 / minute