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500 requests per month, 10 per minute, both APIs. No credit card. The key is shown once, right here — store it somewhere safe.
What you get — free
- 2 official-data APIs: US CPI since 1913 · US debt since 1790
- 500 requests / month, 10/min — hard cap, never a surprise bill
- Every endpoint and the full history — nothing is paywalled
- MCP server included — plug Claude or Cursor into the data
- Commercial use allowed
- Instant key, shown once right here
Your API key
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