A ValidationError occurs when the data sent through does not correspond to what is expected. This can occur when you send through an incorrectly formatted url or a missing field.

We recommend you review the data that is sent through to Shotstack and ensure all values are of the correct type.

If it is unclear which of the properties you are sending through is incorrect we recommend you use the Integromat Devtool for Chrome to see the the request payload.

In the below example we are sending through an incorrectly formatted URL:

This will lead to a ValidationError.