Get an API key
Sign in and create one platform key.
One API keyClaude, GPT, Gemini, Grok, and Kimi
Stop managing multiple LLM API keys and balances. Create one key and call every supported model at published prices.
Leading modelsOne API keyPublic pricingPay as you go
Your client
zerouter API key
Claude
OpenAI
Gemini
Grok
Start calling in three steps
Connect with the clients and tools you already use.
Set the base URL
Point Claude Code at ANTHROPIC_BASE_URL. Put the platform key in ANTHROPIC_AUTH_TOKEN, not ANTHROPIC_API_KEY.
Choose a model
Use the same key to call any supported model.
Supported flagship models
Explore the latest flagship models from Claude, GPT, Gemini, Grok, and Kimi. The catalog updates automatically.
Claude
POST /v1/messages
Latest supported models
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Codex
POST /v1/responses
Latest supported models
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Grok
POST /v1/responses
Latest supported models
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Gemini
POST /v1/chat/completions
Latest supported models
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Kimi
POST /v1/messages
Latest supported models
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Pricing
AI model pricing
Pay for actual input and output token usage. Prices below are current caller rates in USD per 1M tokens.
Claude
Platforms
Every charge is visible
The console records the model, input tokens, output tokens, and actual charge for every request so you can track usage and cost.
Cost preview
$
Claude · Codex · Grok · Gemini · Kimi
0
Interface preview · actual charges appear in the console
Pay as you go Claude API
Get an API key and start calling
One key calls every supported model. Pay only for actual usage.
Leading modelsOne API keyPublic pricingPay as you go