using Prove.Proveapi;
using Prove.Proveapi.Models.Components;

var sdk = new ProveAPI(auth: "<YOUR_AUTH_HERE>");

var res = await sdk.Identity.V3DeactivateIdentityAsync(
    identityId: "<id>",
    v3IdentityDeactivateRequest: new V3IdentityDeactivateRequest() {
        ClientRequestId = "71010d88-d0e7-4a24-9297-d1be6fefde81",
    }
);

// handle response

{
  "success": true
}