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OpenAI SDK compatibleAnthropic Messages APIPay as you go

Models

674+

Tokens (7d)

964.6M+

Providers

63+

Compatible

OpenAI SDK

Routing to 63+ providers including

OpenAI Anthropic Google Meta xAI DeepSeek MoonMath Mistral Nvidia Cohere Hugging Face Groq Fireworks Cerebras Replicate AI21

Drop-in clients

One API for supported models

Use the OpenAI SDK, the Anthropic SDK, or plain fetch with your Tangle API key. The examples show each client's base URL.

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://router.tangle.tools/v1',
  apiKey: process.env.TANGLE_API_KEY,
})

const completion = await client.chat.completions.create({
  model: 'anthropic/claude-sonnet-4-6',
  messages: [{ role: 'user', content: 'Hello!' }],
})

import Anthropic from '@anthropic-ai/sdk'

const client = new Anthropic({
  baseURL: 'https://router.tangle.tools',
  apiKey: process.env.TANGLE_API_KEY,
})

const message = await client.messages.create({
  model: 'anthropic/claude-sonnet-4-6',
  max_tokens: 1024,
  messages: [{ role: 'user', content: 'Hello!' }],
})

const res = await fetch('https://router.tangle.tools/v1/chat/completions', {
  method: 'POST',
  headers: {
    'authorization': `Bearer ${process.env.TANGLE_API_KEY}`,
    'content-type': 'application/json',
  },
  body: JSON.stringify({
    model: 'anthropic/claude-sonnet-4-6',
    messages: [{ role: 'user', content: 'Hello!' }],
  }),
})