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Hi I'm getting this error, and it seems like from the other threads they all got a custom response.
{
"HTTP Status Code": 500,
"message": "The application processed the request but returned a blank response. Refer to the HTTP status code above for details."
}
Here's the information frmo the screenshot so you can easily copy/paste if needed:
Request Headers
Content-Type: application/json
User-Agent: LPS-Webhook/1.0
X-LPS-Api-Key: <your-api-key> (if configured)
Payload Format
{
"event": "form_submission",
"form_id": "uuid",
"form_name": "Contact Form",
"project_id": "uuid",
"submission_id": "uuid",
"submitted_at": "2026-03-11T12:00:00Z",
"data": {
"name": "John Doe",
"email": "[email protected]"
}
}
Webhook endpoint did not return the expected X-Validation-Token header. Your endpoint must read the X-Validation-Token from the request header and echo it back in the response header.
{
"HTTP Status Code": 500,
"message": "The application processed the request but returned a blank response. Refer to the HTTP status code above for details."
}
Here's the information frmo the screenshot so you can easily copy/paste if needed:
Request Headers
Content-Type: application/json
User-Agent: LPS-Webhook/1.0
X-LPS-Api-Key: <your-api-key> (if configured)
Payload Format
{
"event": "form_submission",
"form_id": "uuid",
"form_name": "Contact Form",
"project_id": "uuid",
"submission_id": "uuid",
"submitted_at": "2026-03-11T12:00:00Z",
"data": {
"name": "John Doe",
"email": "[email protected]"
}
}
Webhook endpoint did not return the expected X-Validation-Token header. Your endpoint must read the X-Validation-Token from the request header and echo it back in the response header.
