I have implemented zapier for multi tenant app. I have added form field for sub domain and Oauth 2 is working fine and able to connect.
But refresh token is not working for dynamic sub domain. It always shows error like : Only absolute URLs are supported.
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/51fe23fd-f4ef-4039-b594-ae795399db65.png)
Any help will be much appreciated.
Thanks