Anthropic API Free Credits: Claude API Limits & Setup

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Anthropic API provides API access to Claude model series. $5 free credits on signup, supports Claude Opus 4, Sonnet 4.5, and more.

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Free tier API pricing No credit card China access Open-source alt Provider alternatives Alternatives

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Daily Limit: N/A

ModelContextLimitNotes
Claude Opus 4 200k Paid only Strongest model, paid only

🔑 Free API

Free Credits: $5

Rate Limit: 5 RPM

$5 free credits on signup

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