VAPI•2mo ago

Where do I find the transcription endpointing part in Vapi's config?

"startSpeakingPlan": {
"waitSeconds": 0,
"transcriptionEndpointingPlan": {
"onNoPunctuationSeconds": 0.2
},

I would like to change the 0.2 value but can't seem to find it in the UI config. Is there a way to change this?

Vapi Support BotAPP•10/29/25, 7:02 AM

To change the onNoPunctuationSecondsonNoPunctuationSeconds value in Vapi, update your configuration (either via API or code) as shown below:

"startSpeakingPlan": {
  "waitSeconds": 0.4,
  "transcriptionEndpointingPlan": {
    "onPunctuationSeconds": 0.1,
    "onNoPunctuationSeconds": 1.5, // Change this value as needed
    "onNumberSeconds": 0.5
  }
}

"startSpeakingPlan": {
  "waitSeconds": 0.4,
  "transcriptionEndpointingPlan": {
    "onPunctuationSeconds": 0.1,
    "onNoPunctuationSeconds": 1.5, // Change this value as needed
    "onNumberSeconds": 0.5
  }
}

You may need to update this in your assistant or call config JSON and redeploy or save the changes. If the UI does not expose this field, use the API or code config as shown above.
See the Vapi API documentation for more details.

Source:

Vapi API Reference: Create Phone Call

⤵️ Mention @Vapi Support Bot for follow-ups 🐥

KyleAPP•10/29/25, 7:52 PM

Hi andre_serra,

If you have questions about integrating a custom transcription service with Vapi, you might find our Custom Transcriber guide helpful. It provides detailed steps on setting up and implementing a custom transcriber using services like Deepgram, including handling audio streaming and returning transcripts to Vapi.

If you need more customization around speech processing or transcription, the recent enhancements with Deepgram and Gladia offer advanced control settings, such as end-of-turn detection thresholds and multi-region support for compliance, as detailed in our latest changelog.

Feel free to let me know if you have specific needs or further questions.

Custom transcriber | Vapi

Integrate your own transcription service with Vapi

Ccomprehensive-tomato Hi andre_serra, If you have questions about integrating a custom transcription ...

worthy-azure•11/21/25, 2:53 PM

I built a direct API endpoint for this to bypass the logic app layer. It handles the signature handshake in real-time so you don't have to poll for status.

"startSpeakingPlan": { "waitSeconds": 0.4, "transcriptionEndpointingPlan": { "onPunctuationSeconds": 0.1, "onNoPunctuationSeconds": 1.5, // Change this value as needed "onNumberSeconds": 0.5 } }

Where do I find the transcription endpointing part in Vapi's config?

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