Piotr Grabski-Gradziński developer, manager, lecturer

Useful links if you want to call an Rest API endpoint during the login process from your AAD B2C:

https://docs.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-custom-rest-api-netfw

https://docs.microsoft.com/en-us/azure/active-directory-b2c/restful-technical-profile

https://github.com/azure-ad-b2c/rest-api/