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Upload a PNG, JPG or GIF. ChartHawk checks axes, ranges and chart types, then explains what it found.
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API keys
Call ChartHawk from scripts or Claude Code skills. A new key is shown once, so save it somewhere safe.
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Quick start
curl -X POST http://charthawk.ai/api/v1/analyze \ -H "Authorization: Bearer sk-hawk-YOUR_KEY" \ -F "chart=@my_chart.png"