OAuth is mandatory when the integrator is opening its integration to the public, meaning people outside of the organization of the integrator are going to use it.
The reason we require this, is because it is more secure than the API key. This also allows the User of the integration to give permission for the connection since they have to log in. Even allowing them to break the connection whenever they want.
If for some reason the integrator is not able to build OAuth please contact Support, we might be able to help.
Updated over 1 year ago