See the API's various operations for details on their request parameters and response data:

OperationMethodEndpoint
List your social login applicationsGET/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps
View a social login applicationGET/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps/​{appId}
List your custom providersGET/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps/​{appId}/​custom-providers
Create a custom providerPOST/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps/​{appId}/​custom-providers
View a custom providerGET/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps/​{appId}/​custom-providers/​{providerId}
Modify a custom providerPUT/{customerId}/​v2/​config/​low/​services/​engage-v2/​apps/​{appId}/​custom-providers/​{providerId}