post
https://Use API Lookup for a base URL/realms//identityProviders//issuers/
Attach a new Issuer URL to an Identity Provider.
NOTE: The maximum number of Issuers for an Identity Provider is 2.
Access Control:
- The calling principal must have either "manageIdentityProviders" action permission for the resource "{realm}" in the "account" service.
- The calling principal MUST NOT include a project scope.