Update a customer

PATCH https://pos.paysera.com/eapi/v1/customers/{id}

Update an existing customer using partial update semantics.

Authorization

This endpoint requires a Personal Access Token, sent as a Bearer token.

To obtain one, your account needs API permission. Once granted, go to /user/settings in your POS account and create a personal access token.

Authorization Header Format:

Authorization: Bearer YOUR_ACCESS_TOKEN

Example:

Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...

For more details, see the Authentication section.

Parameters

Path Parameters

Name	Type	Required	Description
id	integer	✓

Request Body

Field	Type	Required	Description
firstName	string
lastName	string
companyName	string
email	string
phone	string
companyCode	string
vatCode	string
isBuyer	boolean
isSupplier	boolean
addresses	array		Full replacement of addresses. Send [] to clear all. Omit to keep unchanged. Max 10.

Errors

This endpoint may return the following errors:

400 - Bad Request

Invalid request

This error is resulted by incorrectly providing one of the parameters.

401 - Unauthorized

Unauthorized

This error was produced by providing incorrect credentials.

403 - Forbidden

Forbidden

This error indicates you don't have permission to access this resource.

404 - Not Found

Customer not found

This error indicates the requested resource was not found.

422 - Unprocessable Entity

Unprocessable entity

429 - Too Many Requests

You have exceeded the rate limit. Please try again in a minute.

500 - Internal Server Error

Internal server error

Example

Request

PATCH https://pos.paysera.com/eapi/v1/customers/{id}
Content-Type: application/json
Authorization: Bearer YOUR_ACCESS_TOKEN

{
  "firstName": "Jonas",
  "lastName": "Jonaitis",
  "companyName": "UAB Testas",
  "email": "jonas@test.lt",
  "phone": "+37060000000",
  "companyCode": "123456789",
  "vatCode": "LT123456789",
  "isBuyer": true,
  "isSupplier": true,
  "addresses": [
    {
      "type": "billing",
      "address1": "Gedimino pr. 1",
      "address2": "2 aukštas",
      "city": "Vilnius",
      "zip": "01103",
      "country": "LT",
      "phone": "+37060000000"
    }
  ]
}

Response

{
  "id": 123,
  "firstName": "Jonas",
  "lastName": "Jonaitis",
  "email": "jonas@test.lt",
  "phone": "+37060000000",
  "companyName": "UAB Testas",
  "companyCode": "123456789",
  "vatCode": "LT123456789",
  "isBuyer": true,
  "isSupplier": false,
  "addresses": [
    {
      "id": 456,
      "type": "billing",
      "address1": "Gedimino pr. 1",
      "address2": "2 aukštas",
      "city": "Vilnius",
      "zip": "01103",
      "country": "LT",
      "state": null,
      "phone": "+37060000000"
    }
  ],
  "updatedAt": "2026-05-05T12:00:00Z",
  "createdAt": "2026-05-05T12:00:00Z"
}

AUTHORIZATION: HTTP

REQUEST

Base URL

https://pos.paysera.com

Body REQUIRED

{
  "firstName": "Jonas",
  "lastName": "Jonaitis",
  "companyName": "UAB Testas",
  "email": "jonas@test.lt",
  "phone": "+37060000000",
  "companyCode": "123456789",
  "vatCode": "LT123456789",
  "isBuyer": true,
  "isSupplier": true,
  "addresses": [
    {
      "type": "billing",
      "address1": "Gedimino pr. 1",
      "address2": "2 aukštas",
      "city": "Vilnius",
      "zip": "01103",
      "country": "LT",
      "phone": "+37060000000"
    }
  ]
}

RESPONSE

Customer updated successfully

{
  "id": 123,
  "firstName": "Jonas",
  "lastName": "Jonaitis",
  "email": "jonas@test.lt",
  "phone": "+37060000000",
  "companyName": "UAB Testas",
  "companyCode": "123456789",
  "vatCode": "LT123456789",
  "isBuyer": true,
  "isSupplier": false,
  "addresses": [
    {
      "id": 456,
      "type": "billing",
      "address1": "Gedimino pr. 1",
      "address2": "2 aukštas",
      "city": "Vilnius",
      "zip": "01103",
      "country": "LT",
      "state": null,
      "phone": "+37060000000"
    }
  ],
  "updatedAt": "2026-05-05T12:00:00Z",
  "createdAt": "2026-05-05T12:00:00Z"
}