----------------------------- **While I generate an answer, here are some sources that might be helpful**: * [Update Assistant]() * [Call Ended Reason]() * [Web Calling]() * [Create Assistant]() -----------------------------

### Answer The error you're encountering is related to the "playht" service, which is used for text-to-speech (TTS) in Vapi. The specific error you mentioned could be

pipeline-error-playht-voice-failed

, indicating a failure within the PlayHT voice processing pipeline. To troubleshoot this issue, you might want to check the following: 1. Provider Keys Configuration: Ensure your PlayHT provider key is correctly set up in the Vapi Dashboard. Incorrect or missing keys might lead to such errors. 2. Service Quota: Verify that you haven't exceeded any service quotas or subscription limits with PlayHT. 3. Configuration Settings: Double-check the configuration settings for the assistant, specifically the TTS settings that use PlayHT. Ensure that all parameters like

provider

,

voiceId

, etc., are correctly set. Here is a snippet illustrating how to set up the voice configuration for PlayHT:

javascript
const assistantOptions = {
    // other assistant options
    voice: {
        provider: "playht",
        voiceId: "jennifer",
    },
};

[(1)]() , [(2)]() You can find more detailed information on configuring assistants and handling errors in the [Create Assistant]() and [Call Ended Reason]() sections of the documentation.

Fixed. It was the PlayHt API. I just deleted the API and it started working.