Retrieve user identification number - Marqeta Docs

GET///

To retrieve the government-issued identification number for a user, send a GET request to the /users/{token}/ssn endpoint. Include the token path parameter to specify the user whose identification number (SSN, ITIN, TIN, NIN, SIN) you wish to return. You can indicate whether to return the full number or the last four digits only.

URL path parameters

Fields	Description
token string Required	Unique identifier of the user resource. Allowable Values: Existing user resource token

URL query parameters

Fields	Description
full_ssn boolean Optional	To return the full identification number, set to `true`. To return only the last four digits, set to `false`. If the identifications array contains only the last four digits of the identification number, the `/users/{token}/ssn` endpoint will return only the last four digits, regardless of the `full_ssn` parameter. Allowable Values: 4 or 9 char

Response body

Fields	Description
nin string Conditionally returned	National Identification Number (NIN). Allowable Values: 255 char max
sin string Conditionally returned	Social Insurance Number (SIN). Allowable Values: 255 char max
ssn string Conditionally returned	United States Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). Allowable Values: 255 char max
tin string Conditionally returned	Taxpayer Identification Number (TIN). Allowable Values: 255 char max

Sample response body

JSON

{
  "ssn": "5555"
}