---
title: "Changes to Buscar Customer por identificadores externos"
method: GET
path: "/customers/lookup"
---

# Changes to Buscar Customer por identificadores externos

`GET /customers/lookup`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `a6ef070075b1`: 3 breaking, 2 warning, 15 info

## Changes

- **2026-11-03** `a6ef070075b1`: 3 breaking, 2 warning, 15 info
  - the response property `external_id` became optional for the status `200`
  - the `default_receipt_type` response's property type changed from `string` to no type for status `200`
  - removed the required property `error` from the response with the `404` status
  - removed the optional property `error/body` from the response with the `422` status
  - removed the optional property `error/details` from the response with the `422` status
  - api operation id `get_customers-lookup` removed and replaced with `lookup_customer`
  - api tag `Customers` added
  - added the new optional `header` request parameter `x-account-key`
  - added the new optional `header` request parameter `x-api-version`
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - added the non-success response with the status `429`
  - added `#/components/schemas/ReceiptType` to the `default_receipt_type` response property `allOf` list for the response status `200`
  - the response property `error/code` became required for the status `422`
  - the response property `error/message` became required for the status `422`
  - the response property `id` became required for the status `200`
  - the `default_receipt_type` response's property default value `bill` was added for the status `200`
  - the `send_mail` response's property default value `false` was added for the status `200`
  - added the required property `code` to the response with the `404` status
  - added the required property `message` to the response with the `404` status

---

[Operation](https://skmtc.dev/trytoku/apis/toku-api/docs/customers/lookup/get.md) - [API](https://skmtc.dev/trytoku/apis/toku-api.md) - [Page](https://skmtc.dev/trytoku/apis/toku-api/changes/customers/lookup/get)
