Claude Haiku 4

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curl -X POST https://api.vincony.com/v1/chat/completions \
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  -H "Authorization: Bearer YOUR_API_KEY" \
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  -H "Content-Type: application/json" \
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  -d '{
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    "model": "anthropic/claude-haiku-4",
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    "messages": [
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      { "role": "user", "content": "Hello, Claude Haiku 4!" }
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    ]
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  }'