It will work if you can replicate it using HTTP; you can then get it working with custom integrations. The key is comparing the data to identify any d...

I will check and respond shortly. Could you please include a screenshot of your headers in Insomnia and Chrome Dev Tools for the request in callin.io?

What headers are you configuring in the Base? Do your total headers align between the request from Insomnia and the callin.io request? 415 Unsupport...