Subscription Plans
Theta One API offers four subscription plans to fit your needs.
Plan Comparison
| Free | Starter | Pro | Enterprise | |
|---|---|---|---|---|
| Monthly Price | $0 | $5/mo | $20/mo | Custom |
| Monthly Credits | $0.20 | $5.00 | $20.00 | Custom |
| Rate Limit (RPM) | 30 | 100 | 500 | Unlimited |
| API Keys | 1 | 3 | Unlimited | Unlimited |
| Speech Recognition (STT) | ✅ | ✅ | ✅ | ✅ |
| Pronunciation Feedback | ❌ | ✅ | ✅ | ✅ |
| Additional Credit Purchase | ❌ | ❌ | ✅ | ✅ |
| Postpaid Billing | ❌ | ❌ | ❌ | ✅ |
Monthly credits are automatically granted on the 1st of each month. Unused credits expire at the end of the billing period.
Free Plan
The Free plan is designed for individuals exploring the API. You receive $0.20 in monthly credits (approximately 8 minutes of STT) to test and evaluate the service. Only Speech Recognition (STT) is available on this plan.
Starter Plan
The Starter plan is ideal for small teams starting to build. It includes $5 in monthly credits (approximately 3.5 hours of STT) and unlocks access to all services including Pronunciation Feedback.
Pro Plan
The Pro plan is built for growing teams with production workloads. It includes $20 in monthly credits (approximately 13.9 hours of STT), unlimited API keys, and the ability to purchase additional credits when needed.
Enterprise Plan
The Enterprise plan offers custom pricing, unlimited rate limits, and dedicated support. It also supports postpaid billing.
For Enterprise inquiries, please contact us at giopaik@thetaone.co.
Billing Methods
Prepaid Credits (Default)
All plans use prepaid credits by default. Monthly included credits are automatically granted, and usage is deducted from your credit balance. When credits are exhausted, API calls return 402 PAYMENT_REQUIRED.
- Pro and Enterprise plans can purchase additional credits.
- Prepaid Credit Usage Guide →
Postpaid Billing (Enterprise Only)
Enterprise customers can opt for postpaid billing, where usage is invoiced monthly. This requires a separate agreement with Theta One.