---
title: "Changes to Retrieve the features for a list of numbers"
method: POST
path: "/numbers_features"
---

# Changes to Retrieve the features for a list of numbers

`POST /numbers_features`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 89 revisions.

- **2026-10-21** `67df31283a8a`: 4 breaking, 4 info
- **2026-10-15** `a72569d69430`: 4 breaking, 4 warning, 9 info

## Changes

- **2026-10-21** `67df31283a8a`: 4 breaking, 4 info
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `400`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `401`
  - 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 `500`
  - added the optional property `errors/items/description` to the response with the `400` status
  - added the optional property `errors/items/description` to the response with the `401` status
  - added the optional property `errors/items/description` to the response with the `422` status
  - added the optional property `errors/items/description` to the response with the `500` status
- **2026-10-15** `a72569d69430`: 4 breaking, 4 warning, 9 info
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `400`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `401`
  - 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 `500`
  - removed the optional property `errors/items/meta/url` from the response with the `400` status
  - removed the optional property `errors/items/meta/url` from the response with the `401` status
  - removed the optional property `errors/items/meta/url` from the response with the `422` status
  - removed the optional property `errors/items/meta/url` from the response with the `500` status
  - the endpoint scheme security `bearerAuth` was removed from the API
  - the response property `errors/items/code` became required for the status `400`
  - the response property `errors/items/code` became required for the status `401`
  - the response property `errors/items/code` became required for the status `422`
  - the response property `errors/items/code` became required for the status `500`
  - the response property `errors/items/title` became required for the status `400`
  - the response property `errors/items/title` became required for the status `401`
  - the response property `errors/items/title` became required for the status `422`
  - the response property `errors/items/title` became required for the status `500`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api/docs/numbers_features/post.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/numbers_features/post)