---
page_type: error
code: 13337
message: >-
  13337: Gather: callback must be over HTTPS when using gather with PCI
  compliance
level: ERROR
product: Programmable Voice
---

## Description

Gather: callback must be over HTTPS when using gather with PCI compliance

### Possible Causes

Gather URL must use HTTPS.

### Possible Solutions

Gather URL must use HTTPS and valid URL format.