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Invoice questions

Q: Why did I receive an invoice when I only deposited credits? Fireworks.ai billing works as follows:
  • Deposited credits are used first.
  • Once credits are exhausted, you continue to accrue charges for additional usage.
  • Usage charges are billed at the end of each month.
  • You’ll receive an invoice for any usage that exceeded your pre-purchased credits.
This process happens automatically, regardless of subscription status. To prevent additional charges, please monitor your usage or contact support to set up spending restrictions. Q: Where’s my receipt for purchased credits? Receipts for purchased credits are sent via Stripe upon initial credit purchase. Check your email for receipts from Stripe (not Fireworks). Contact billing@fireworks.ai if you still are encountering problems.

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API billing

Q: Are calls to the Models API billable? No, calls to the Models API endpoint are free. This applies to all management API calls for:
  • Accounts
  • Users
  • Models
  • Datasets
Note: While the API calls themselves are free, charges apply for:
  • Model deployments
  • Fine-tuning jobs

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Additional resources