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API usage incurs real charges

• Each message calls the Anthropic API and bills your account directly
• Claude Sonnet: ~$3 / 1M input tokens, ~$15 / 1M output tokens
• Agentic turns with tools may send many tokens per message
• Set spend limits at console.anthropic.com/settings/limits

Set a spending limit — before anything else

If your key is ever accidentally exposed, anyone who finds it can charge your account until you revoke it. A low monthly spend cap is your safety net. Set one at console.anthropic.com/settings/limits before you paste your key here.

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