Documentation

Chat with any model. Send messages, get responses. Supports streaming.

{ "model": "meta-llama/llama-3.3-70b-instruct",
  "messages": [{ "role": "user", "content": "Hello" }] }

Browse all 1,243+ available models across 124 providers. Returns standard OpenAI model list format.

Search the web, X/Twitter, Reddit, and ArXiv via 8 providers. See Services for full docs.

Generate images from text prompts via FLUX, Stable Diffusion, and more. See Services.

Run code in sandboxed environments (Python, JavaScript, Bash). See Services.

Fetch any webpage as clean markdown or HTML. See Services.

Query 47 structured data providers (crypto, weather, math, SEC filings). See Services.

Speech-to-text transcription and audio generation. See Services.

List all available services and their models. No authentication required.

Create a fine-tuning job. Train any supported open-source model on your dataset using QLoRA or full fine-tune on Bittensor's decentralized GPU network.

List your fine-tuning jobs. Returns all jobs for the authenticated user, ordered by creation date.

Get the status of a specific fine-tuning job. Includes progress, estimated time remaining, and output model ID when complete.

Get current fine-tuning pricing. Rates vary by model and dataset size.

List all available services and their models. No authentication required. Returns service categories, model counts, and default models for each service type.

curl https://api.opentau.ai/v1/services

Search the web, X/Twitter, Reddit, and ArXiv via 8 providers including Desearch (SN22), Tavily, Brave, and Exa. Returns results with titles, URLs, snippets, and relevance scores.

curl https://api.opentau.ai/v1/search \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "latest Bittensor subnet launches",
    "model": "desearch/ai-search",
    "max_results": 10
  }'

Generate images from text prompts via 4 providers including Replicate, Stability AI, and fal.ai. Supports FLUX, Stable Diffusion, and other models. Returns image URLs.

curl https://api.opentau.ai/v1/images/generations \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A mystical rune circle glowing green in a dark forest",
    "model": "replicate/black-forest-labs/flux-schnell",
    "n": 1,
    "size": "1024x1024"
  }'

Execute code in secure sandboxed E2B environments. Supports Python, JavaScript, TypeScript, Bash, and R. Returns stdout, stderr, and execution metadata.

curl https://api.opentau.ai/v1/code/execute \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "language": "python",
    "code": "import math\nfor i in range(5):\n    print(f\"{i}: {math.factorial(i)}\")",
    "model": "e2b/python"
  }'

Fetch any webpage as clean markdown or structured HTML. Powered by 9 providers including Webtools, Firecrawl, and Apify. Handles JavaScript-rendered pages.

curl https://api.opentau.ai/v1/scrape \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://docs.bittensor.com/getting-started",
    "format": "markdown",
    "model": "webtools/fetch-markdown"
  }'

Query 47 structured data providers through a single endpoint. Crypto prices (CoinGecko), math computation (Wolfram), weather, SEC filings, geocoding, exchange rates, and Bittensor network stats (TaoStats).

curl https://api.opentau.ai/v1/data \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "livedata/exchange-rate",
    "query": "TAO/USD"
  }'

Speech-to-text transcription via Whisper and audio generation via Suno. Process audio input for transcription or generate spoken content programmatically.

curl https://api.opentau.ai/v1/audio \
  -H "Authorization: Bearer otau_your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "whisper/large-v3",
    "input": "base64-encoded-audio..."
  }'