curl --request GET \
  --url https://{tenantDomain}/my-org/domains/{domain_id}/identity-providers \
  --header 'Authorization: Bearer <token>'

{
  "identity_providers": [
    {
      "id": "con_2CZPv6IY0gWzDaQJ",
      "display_name": "Acme Engineering",
      "name": "acme-engineering"
    },
    {
      "id": "con_2CZPv6IY0gWzDaQG",
      "display_name": "Acme Engineering 2",
      "name": "acme-engineering-2"
    }
  ]
}