We just figured it out. I'm thinking there must have been a change on the Hubspot side as we didn't make any changes over here. They perhaps got more restrictive about the return headers.
We changed the header in our response to this and it started working again:
We just figured it out. I'm thinking there must have been a change on the Hubspot side as we didn't make any changes over here. They perhaps got more restrictive about the return headers.
We changed the header in our response to this and it started working again: