# List client custodians Returns the set of custodians associated with client_id (e.g., for transfers), including identifiers and display names. Use this to populate custodian selectors or to validate transfer instructions. Endpoint: GET /v2/partner/client/{client_id}/custodian Version: 2.0.0 Security: oAuth ## Path parameters: - `client_id` (string, required) The ID of requested client. Example: "49ad7378-121c-4a53-9894-dfd14a7b4877" ## Response 200 fields (application/json): - `id` (string) UUID (Universally Unique Identifier) Example: "49ad7378-121c-4a53-9894-dfd14a7b4877" - `name` (string) Name of custodian ## Response 400 fields (application/json): - `error` (string, required) Error code Enum: "invalid_request" - `error_description` (string) Description of error ## Response 401 fields (application/json): - `error` (string, required) Error code Enum: "unauthorized" - `error_description` (string) Description of error ## Response 403 fields (application/json): - `error` (string, required) Error code Enum: "forbidden" - `error_description` (string) Description of error ## Response 500 fields (application/json): - `error` (string, required) Error code Enum: "server_error" - `error_description` (string) Description of error ## Response 503 fields (application/json): - `error` (string, required) Error code Enum: "service_unavailable" - `error_description` (string) Description of error