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NEW GPT-5.5 / Claude 4.6 is now live — try it today →
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Use Claude Code

Point Claude Code at the platform’s Anthropic-compatible endpoint:

export ANTHROPIC_BASE_URL="https://api.onefast.ai/anthropic"
export ANTHROPIC_AUTH_TOKEN="sk-your-api-key"
claude

Claude Code will then use the platform’s Claude models (claude-sonnet-4-6, claude-opus-4-6, etc.).