Ridham Golakiya
12/09/2025, 1:05 PMVapi Support Bot
12/09/2025, 1:06 PM{{customer.number}} instead of {{customer.phone}} in your tool payload.
For example, your payload should look like:
json
{
"phone": "{{customer.number}}"
}
This will correctly populate the customer's phone number in your tool, as {{customer.number}} is the default variable for this purpose according to the documentation you have found.
See the [Vapi dynamic variables documentation](https://docs.vapi.ai/assistants/dynamic-variables) for more details.
Source:
- [Vapi dynamic variables documentation](https://docs.vapi.ai/assistants/dynamic-variables)Chiranjeet Mishra
12/10/2025, 12:57 PM{{customer.number}} instead of {{customer.phone}} to correctly capture the caller’s phone number. Here's how your payload should look:
json
{
"phone": "{{customer.number}}"
}
This adjustment should resolve the issue and ensure the phone number is correctly included in the payload. You can refer to the [Personalization with user information documentation](https://docs.vapi.ai/assistants/personalization) for more details on using dynamic variables.Ridham Golakiya
12/13/2025, 4:46 PMChiranjeet Mishra
12/22/2025, 3:18 PM