Prepaid Credit Usage Guide
All Theta One API plans include monthly credits that are automatically granted. Pro and Enterprise plans can also purchase additional credits.
Monthly Credits
Each plan includes a set amount of credits granted automatically on the 1st of every month:
| Plan | Monthly Credits | Approx. STT Time |
|---|---|---|
| Free | $0.20 | ~8 min |
| Starter | $5.00 | ~3.5 hrs |
| Pro | $20.00 | ~13.9 hrs |
| Enterprise | Custom | Custom |
Monthly credits expire at the end of each billing period. Unused credits do not roll over to the next month.
Checking Your Balance
Click Billing in the sidebar of the API Console to view your current balance and credit history.
- Current Balance: Total amount of credits currently available.
- Credit History: History of credits granted, topped up, and consumed.
Purchasing Additional Credits (Pro & Enterprise)
If you're on a Pro or Enterprise plan, you can purchase additional credits:
- Go to Billing in the API Console.
- Click the Top Up Credits button.
- Select the amount you want to top up (minimum $10).
- Click Pay with Stripe to proceed to the payment page.
- Complete the payment. Credits are added instantly.
Please do not refresh the page or close the browser while payment is processing.
If a problem occurs, please contact us at support@thetaone.co with your payment time, account email, and amount.
How Credits Are Used
Credits are automatically deducted when you make API calls. The deduction amount depends on the service used:
- STT: $0.0004 per second of audio
- Pronunciation Feedback: $0.0006 per second of audio
When your credit balance reaches zero, API calls will return 402 PAYMENT_REQUIRED.
Credits with an expiration date (e.g., monthly credits, promotions) are consumed first, followed by credits without an expiration date.