Cost Routing
Learn more about how your Vapi account is billed for provider expenses.
During calls, requests will be made to different providers in the voice pipeline:
- transcription providers: providers conducting speech-to-text
- model providers: LLM providers
- voice providers: providers conducting text-to-speech
- telephony providers: providers like Twilio/Vonage that facilitate phone calls
Per-minute telephony costs only occur during inbound/outbound phone calling. Web calls do not incur this cost.
Where Provider Costs End-up
There are 2 places these charges can end up:
- Provider-side: in the account you have with the provider.
- With Vapi: in your Vapi account.
Billing That “Just Works”
The central idea is that everything is designed to “just work”.
Whether you are billed provider-side, or on Vapi’s side, you will never be charged with any margin for provider fees incurred during calls.