Developer comparison · checked 8 Aug 2026
Bolna alternative
Dvaarik publishes ₹1.50–₹3.75 per minute by voice grade as an all-in hosted API. Bolna displays ₹5.52/min alongside a USD rate and describes BYOK and telephony integrations; Dvaarik publishes ₹1.50–₹3.75/min all-in by grade (read 8 Aug 2026).
Source read: https://www.bolna.ai/pricing. Bolna displays 6.00¢ per minute and ₹5.52 per minute.
Where each platform fits
| Axis | Dvaarik | Bolna |
|---|---|---|
| Published cost | ₹1.50–₹3.75/min all-in by grade | 6.00¢/min (₹5.52 displayed) |
| What is included | Speech, model, voice and turn-taking | See the dated source read above |
| Telephony | Bring your own carrier; Setu bridges seven carriers | Provider-specific; verify before committing |
| India | INR billing and Indian-language grades | India-oriented language coverage and named telephony integrations. |
| Lock-in | Hosted API with an MIT carrier bridge | The displayed INR figure is a conversion while billing is shown in USD. |
The key difference is basis: Dvaarik's published rate is an all-in INR voice grade, while Bolna's published or unpublished figure above may exclude providers, telephony or infrastructure.
Try the real API
The following request creates a call and returns a one-use WebSocket URL; keep your API key server-side.
curl -X POST https://api.developers.dvaarik.com/v1/calls \
-H "X-Api-Key: $DVAARIK_API_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"Answer calls for a dental clinic","language":"en-IN","voice":"essential"}'The response contains a one-use ws_url that expires after five minutes. Stream PCM16 audio and handle ready, transcript, interrupted, turn_complete and session_ended events.