ONLYROUTER.

Leading AI models
One API

Connect to the full Claude and GPT model families through one endpoint, with complete OpenAI and Anthropic compatibility and flexible payment options.

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  • ✓OpenAI-compatible API
  • ✓Streaming responses
  • ✓Instant USDT credit
curl -X POST /v1/chat/completions \
  -H "Authorization: Bearer sk-..." \
  -d '{
    "model": "claude-sonnet-4-6",
    "messages": [{...}]
  }'

Leading models, one API

Access Claude, GPT, and OpenAI-compatible models while managing API keys, balance, and usage in one console.

Works with your tools

Use OpenAI Compatible or Anthropic endpoints with Claude Code, Codex, Cherry Studio, LobeChat, and more.

Clear usage-based pricing

See pricing by model family and pay precisely for tokens and cache usage. Every request is itemized.

Top up and start immediately

Pay on-chain with USDT, without a credit card or bank account. Funds are credited automatically.

Quick start

Start in four steps

Go from sign-up to your first request in minutes. Once configured, calls are billed automatically and recorded in the console.

01

Create an account

Sign up with your email and open the OnlyRouter dashboard.

02

Add funds

Choose an amount and payment method. Your balance updates automatically after payment arrives.

03

Create an API key

Generate a key on the API Keys page and manage separate keys by project or client.

04

Copy the configuration

Add your API key and Base URL to OpenClaw, Codex, an agent, or your own application.

Ready to get started?

Create an account and configure your client in minutes. Add funds with your preferred payment method and start calling models.

Create a free account