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Get a Anthropic key
Claude models (Sonnet, Haiku) straight from the maker. Great for writing and reasoning.
💰 Pay-as-you-go from prepaid credits. Claude Haiku is cheap; Sonnet is mid-tier. Start with $5.
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Open console.anthropic.com and sign in.
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Go to Billing → add credits (e.g. $5).
Like OpenAI, you need credit on the account before a key will respond.
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Open Settings → API Keys → Create Key. Name it “kapus”.
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Copy the key (starts with sk-ant-…).
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In Kapus → My Page → + Add key → pick Anthropic → paste → Save.
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💡 Tip: set a workspace spend limit in the Anthropic console.