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Invoice questions

Q: Why did I receive an invoice when I purchased credits? Fireworks operates on a pre-paid credits billing system:
  • You purchase credits to use the platform.
  • Credits are used first for usage across supported products.
  • If credits run out and auto top-up is disabled, usage pauses until new credits are added.
  • Auto top-up can be configured to purchase credits automatically at a minimum balance threshold.
You may still receive invoices if your account is on a post-paid contract. Contracted customers can contact our sales team to discuss billing options. Q: Where’s my receipt for purchased credits? Receipts for purchased credits are sent via Stripe. Check your email for receipts from Stripe (not Fireworks). Contact community_billing@fireworks.ai if you are still 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