Gokhan
12/06/2025, 9:12 AMChiranjeet Mishra
12/06/2025, 9:12 AMVapi Support Bot
12/06/2025, 9:13 AMassistantId or a workflowId along with your schedulePlan. If neither is set, the call will not be triggered.
Example payload:
json
{
"assistantId": "your-assistant-id",
"schedulePlan": {
"earliestAt": "2025-12-06T10:05:00Z",
"latestAt": "2025-12-06T10:11:00Z"
}
}
Check that one of these IDs is present in your request, as required by the API documentation ([see details](https://docs.vapi.ai/api-reference/calls/create?explorer=true)).
Source:
- [Vapi API Reference: Create Call](https://docs.vapi.ai/api-reference/calls/create?explorer=true)Chiranjeet Mishra
12/09/2025, 4:38 AMassistantId or a workflowId, as one of these is required for the call to trigger. Example payload:
json
{
"assistantId": "your-assistant-id",
"schedulePlan": {
"earliestAt": "2025-12-06T10:05:00Z",
"latestAt": "2025-12-06T10:11:00Z"
}
}
2. **Valid Dates**: Verify that the earliestAt and latestAt fields are set with valid future ISO date-time strings.
3. **Resource Availability**: Confirm that your phone number, assistant, and customer's number are correctly configured and active at the time the call is scheduled.
4. **Examine Call Logs**: Review the Vapi call logs for any errors or messages associated with the scheduling. This can provide insight into potential issues.
For more detailed instructions, refer to the [Create Call API documentation](https://docs.vapi.ai/api-reference/calls/create?explorer=true).Gokhan
12/09/2025, 8:24 AMGokhan
12/10/2025, 9:38 AMGokhan
12/10/2025, 9:17 PMSahil
12/11/2025, 5:53 AMGokhan
12/11/2025, 7:03 AMGokhan
12/12/2025, 4:12 PMSahil
12/13/2025, 8:52 PMSahil
12/13/2025, 8:52 PMSahil
12/13/2025, 8:52 PM