flutter login example with api

I want to be able to login via an API to my flutter app. login for adp The first part is what is being posted to the API and the second part is the server response as seen on the code below: I/flutter ( 892): {email: [email protected] , password: 123456789} I/flutter ( 892): {errors: [The email field is required. 365 microsoft login , The password field is required ]}