---
title: "Create a user identifier"
method: POST
path: "/users/{user_id}/identifiers"
tags: ["User Identifiers"]
---

# Create a user identifier

`POST /users/{user_id}/identifiers`

Creates a new identifier for a user that will be used for transaction reporting obligations. This identifier is required for user activation if the user's nationalities do not allow reporting using the CONCAT format. More information can be found in the [guides](https://docs.upvest.co/documentation/guides/users/identifiers).

## Request body

- object
  - `type` 'NATIONAL_ID' | 'PASSPORT', required — Identifier type. * NATIONAL_ID - * PASSPORT -
  - `issuing_country` 'AD' | 'AE' | 'AF' | 'AG' | 'AI' | 'AL' | 'AM' | 'AO' | 'AQ' | 'AR' | 'AS' | 'AT' | 'AU' | 'AW' | 'AX' | 'AZ' | 'BA' | 'BB' | 'BD' | 'BE' | 'BF' | 'BG' | 'BH' | 'BI' | 'BJ' | 'BL' | 'BM' | 'BN' | 'BO' | 'BQ' | 'BR' | 'BS' | 'BT' | 'BV' | 'BW' | 'BY' | 'BZ' | 'CA' | 'CC' | 'CD' | 'CF' | 'CG' | 'CH' | 'CI' | 'CK' | 'CL' | 'CM' | 'CN' | 'CO' | 'CR' | 'CU' | 'CV' | 'CW' | 'CX' | 'CY' | 'CZ' | 'DE' | 'DJ' | 'DK' | 'DM' | 'DO' | 'DZ' | 'EC' | 'EE' | 'EG' | 'EH' | 'ER' | 'ES' | 'ET' | 'FI' | 'FJ' | 'FK' | 'FM' | 'FO' | 'FR' | 'GA' | 'GB' | 'GD' | 'GE' | 'GF' | 'GG' | 'GH' | 'GI' | 'GL' | 'GM' | 'GN' | 'GP' | 'GQ' | 'GR' | 'GS' | 'GT' | 'GU' | 'GW' | 'GY' | 'HK' | 'HM' | 'HN' | 'HR' | 'HT' | 'HU' | 'ID' | 'IE' | 'IL' | 'IM' | 'IN' | 'IO' | 'IQ' | 'IR' | 'IS' | 'IT' | 'JE' | 'JM' | 'JO' | 'JP' | 'KE' | 'KG' | 'KH' | 'KI' | 'KM' | 'KN' | 'KP' | 'KR' | 'KW' | 'KY' | 'KZ' | 'LA' | 'LB' | 'LC' | 'LI' | 'LK' | 'LR' | 'LS' | 'LT' | 'LU' | 'LV' | 'LY' | 'MA' | 'MC' | 'MD' | 'ME' | 'MF' | 'MG' | 'MH' | 'MK' | 'ML' | 'MM' | 'MN' | 'MO' | 'MP' | 'MQ' | 'MR' | 'MS' | 'MT' | 'MU' | 'MV' | 'MW' | 'MX' | 'MY' | 'MZ' | 'NA' | 'NC' | 'NE' | 'NF' | 'NG' | 'NI' | 'NL' | 'NO' | 'NP' | 'NR' | 'NU' | 'NZ' | 'OM' | 'PA' | 'PE' | 'PF' | 'PG' | 'PH' | 'PK' | 'PL' | 'PM' | 'PN' | 'PR' | 'PS' | 'PT' | 'PW' | 'PY' | 'QA' | 'RE' | 'RO' | 'RS' | 'RU' | 'RW' | 'SA' | 'SB' | 'SC' | 'SD' | 'SE' | 'SG' | 'SH' | 'SI' | 'SJ' | 'SK' | 'SL' | 'SM' | 'SN' | 'SO' | 'SR' | 'SS' | 'ST' | 'SV' | 'SX' | 'SY' | 'SZ' | 'TC' | 'TD' | 'TF' | 'TG' | 'TH' | 'TJ' | 'TK' | 'TL' | 'TM' | 'TN' | 'TO' | 'TR' | 'TT' | 'TV' | 'TW' | 'TZ' | 'UA' | 'UG' | 'UM' | 'US' | 'UY' | 'UZ' | 'VA' | 'VC' | 'VE' | 'VG' | 'VI' | 'VN' | 'VU' | 'WF' | 'WS' | 'XK' | 'YE' | 'YT' | 'ZA' | 'ZM' | 'ZW', required — Accepted country code. [ISO 3166-1 alpha-2 codes](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2).
  - `identifier` string — Identifier value. Omit this field when `identifier_standard` is `CONCAT`: the value is generated by Upvest from the user's name and date of birth. See [guide here](/documentation/guides/users/identifiers)
  - `identifier_standard` string — Identifier standard abbreviation. If it's not provided, issuing country's corresponding 1st Priority Identifier Standard will be used by default. Use `CONCAT` to submit a CONCAT identifier. See [guide here](/documentation/guides/users/identifiers)

## Response `200`

The user identifier is created.

- object
  - `id` string, uuid, required — Unique identifier for the user's national ID.
  - `created_at` string, date-time, required — Date and time when the resource was created. [RFC 3339-5](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6), [ISO8601 UTC](https://www.iso.org/iso-8601-date-and-time-format.html)
  - `updated_at` string, date-time, required — Date and time when the resource was last updated. [RFC 3339-5](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6), [ISO8601 UTC](https://www.iso.org/iso-8601-date-and-time-format.html)
  - `user_id` string, uuid, required — User unique identifier.
  - `identifier_standard` string, required — Identifier standard abbreviation. If it's not provided, issuing country's corresponding 1st Priority Identifier Standard will be used by default. Use `CONCAT` to submit a CONCAT identifier. See [guide here](/documentation/guides/users/identifiers)
  - `identifier` string, required — Identifier value. Omit this field when `identifier_standard` is `CONCAT`: the value is generated by Upvest from the user's name and date of birth. See [guide here](/documentation/guides/users/identifiers)
  - `type` 'NATIONAL_ID' | 'PASSPORT', required — Identifier type. * NATIONAL_ID - * PASSPORT -
  - `issuing_country` 'AD' | 'AE' | 'AF' | 'AG' | 'AI' | 'AL' | 'AM' | 'AO' | 'AQ' | 'AR' | 'AS' | 'AT' | 'AU' | 'AW' | 'AX' | 'AZ' | 'BA' | 'BB' | 'BD' | 'BE' | 'BF' | 'BG' | 'BH' | 'BI' | 'BJ' | 'BL' | 'BM' | 'BN' | 'BO' | 'BQ' | 'BR' | 'BS' | 'BT' | 'BV' | 'BW' | 'BY' | 'BZ' | 'CA' | 'CC' | 'CD' | 'CF' | 'CG' | 'CH' | 'CI' | 'CK' | 'CL' | 'CM' | 'CN' | 'CO' | 'CR' | 'CU' | 'CV' | 'CW' | 'CX' | 'CY' | 'CZ' | 'DE' | 'DJ' | 'DK' | 'DM' | 'DO' | 'DZ' | 'EC' | 'EE' | 'EG' | 'EH' | 'ER' | 'ES' | 'ET' | 'FI' | 'FJ' | 'FK' | 'FM' | 'FO' | 'FR' | 'GA' | 'GB' | 'GD' | 'GE' | 'GF' | 'GG' | 'GH' | 'GI' | 'GL' | 'GM' | 'GN' | 'GP' | 'GQ' | 'GR' | 'GS' | 'GT' | 'GU' | 'GW' | 'GY' | 'HK' | 'HM' | 'HN' | 'HR' | 'HT' | 'HU' | 'ID' | 'IE' | 'IL' | 'IM' | 'IN' | 'IO' | 'IQ' | 'IR' | 'IS' | 'IT' | 'JE' | 'JM' | 'JO' | 'JP' | 'KE' | 'KG' | 'KH' | 'KI' | 'KM' | 'KN' | 'KP' | 'KR' | 'KW' | 'KY' | 'KZ' | 'LA' | 'LB' | 'LC' | 'LI' | 'LK' | 'LR' | 'LS' | 'LT' | 'LU' | 'LV' | 'LY' | 'MA' | 'MC' | 'MD' | 'ME' | 'MF' | 'MG' | 'MH' | 'MK' | 'ML' | 'MM' | 'MN' | 'MO' | 'MP' | 'MQ' | 'MR' | 'MS' | 'MT' | 'MU' | 'MV' | 'MW' | 'MX' | 'MY' | 'MZ' | 'NA' | 'NC' | 'NE' | 'NF' | 'NG' | 'NI' | 'NL' | 'NO' | 'NP' | 'NR' | 'NU' | 'NZ' | 'OM' | 'PA' | 'PE' | 'PF' | 'PG' | 'PH' | 'PK' | 'PL' | 'PM' | 'PN' | 'PR' | 'PS' | 'PT' | 'PW' | 'PY' | 'QA' | 'RE' | 'RO' | 'RS' | 'RU' | 'RW' | 'SA' | 'SB' | 'SC' | 'SD' | 'SE' | 'SG' | 'SH' | 'SI' | 'SJ' | 'SK' | 'SL' | 'SM' | 'SN' | 'SO' | 'SR' | 'SS' | 'ST' | 'SV' | 'SX' | 'SY' | 'SZ' | 'TC' | 'TD' | 'TF' | 'TG' | 'TH' | 'TJ' | 'TK' | 'TL' | 'TM' | 'TN' | 'TO' | 'TR' | 'TT' | 'TV' | 'TW' | 'TZ' | 'UA' | 'UG' | 'UM' | 'US' | 'UY' | 'UZ' | 'VA' | 'VC' | 'VE' | 'VG' | 'VI' | 'VN' | 'VU' | 'WF' | 'WS' | 'XK' | 'YE' | 'YT' | 'ZA' | 'ZM' | 'ZW', required — Accepted country code. [ISO 3166-1 alpha-2 codes](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2).

## Other responses

- `400` — Bad Request. The incoming request had a malformed parameter/object.
- `401` — Unauthorized. The caller has not been authenticated.
- `403` — Forbidden. The caller has been authenticated but is not allowed to take the requested action.
- `404` — Not Found. The requested resource could not be found.
- `406` — Not Acceptable. The resource does not have a current representation that would be acceptable to the user agent. "Accept" header defined unsupported value.
- `429` — Too Many Requests. The caller has exceeded their quota for the time period and has been throttled.
- `500` — Internal Server Error. The service encountered an unexpected error.
- `503` — Service Unavailable. The service handling for this request cannot be reached at this time.
- `504` — Gateway Timeout. The service gateway has reached its internal timeout.

---

[API](https://skmtc.net/upvest/apis/upvest-investment-api.md) · [All operations](https://skmtc.net/upvest/apis/upvest-investment-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/upvest/upvest-investment-api/revisions/2c6bc192bc09/schema)
