---
title: "Changes to Lookup phone number data"
method: GET
path: "/number_lookup/{phone_number}"
---

# Changes to Lookup phone number data

`GET /number_lookup/{phone_number}`

> Every recorded change to this endpoint, newest first.
> 99 revisions in range; 1 not diffed.

## Timeline

Changed in 3 of 99 revisions.

- **2026-09-16** `a6a61a29ecdd` — 2 breaking
- **2026-08-17** `1571b0380bd7` — 2 breaking
- **2026-08-04** `8f5f4e537994` — 2 breaking

## Changes

- **2026-09-16** `a6a61a29ecdd` — 2 breaking
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `422`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `default`
- **2026-08-17** `1571b0380bd7` — 2 breaking
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `422`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `default`
- **2026-08-04** `8f5f4e537994` — 2 breaking
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `422`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `default`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/number_lookup/:phone_number/get.md) · [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/number_lookup/:phone_number/get)