---
title: "Changes to Find a tax identification number"
method: POST
path: "/instant-lookup/v1/find"
---

# Changes to Find a tax identification number

`POST /instant-lookup/v1/find`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `893d624efa51`: 2 warning, 2 info

## Changes

- **2026-11-03** `893d624efa51`: 2 warning, 2 info
  - added the new `Aquis. Intracom. por Opção` enum value to the `registration_type` response property for the response status `200`
  - added the new `unknown` enum value to the `found_in_official_database` response property for the response status `200`
  - added the new optional request property `fuzzy_matching/match_legal_name_only`
  - added the optional property `fuzzy_matching/name/matched_field` to the response with the `200` status

---

[Operation](https://skmtc.dev/fonoa/apis/fonoa-api/docs/instant-lookup/v1/find/post.md) - [API](https://skmtc.dev/fonoa/apis/fonoa-api.md) - [Page](https://skmtc.dev/fonoa/apis/fonoa-api/changes/instant-lookup/v1/find/post)