---
title: "Update requirement group for a phone number order"
method: POST
path: "/number_order_phone_numbers/{id}/requirement_group"
tags: ["Requirement Groups"]
---

# Update requirement group for a phone number order

`POST /number_order_phone_numbers/{id}/requirement_group`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/number_order_phone_numbers/{id}/requirement_group`
- Auth: HTTP bearer

Associates an existing requirement group with a phone number in a number order. The response contains the updated number-order phone-number details.

## Path parameters

- `id` string, uuid, required

## Request body

- object
  - `requirement_group_id` string, uuid, required: The ID of the requirement group to associate

## Response `200`

Successful response with updated phone number order details

- object
  - `data` NumberOrderPhoneNumberRequirementGroupResponse
    - `status` string
    - `order_request_id` string, uuid
    - `country_code` string
    - `is_block_number` boolean
    - `regulatory_requirements` object[]
      - `requirement_id` string, uuid
      - `field_value` string
      - `field_type` string
      - `status` string
    - `locality` string
    - `phone_number_type` string
    - `bundle_id` string, uuid, nullable
    - `sub_number_order_id` string, uuid
    - `deadline` string, date-time
    - `requirements_status` string
    - `id` string, uuid
    - `phone_number` string
    - `requirements_met` boolean
    - `record_type` string

## Other responses

- `400`: Bad request, the request was unacceptable, often due to missing a required parameter.
- `401`: Unauthorized
- `404`: The requested resource doesn't exist.
- `422`: Unprocessable entity. Check the 'detail' field in response for details.
- `500`: Unexpected error

## Changes

> 152 revisions in range; 1 not diffed.

- **2026-10-21** `19db5ee4ec59`: 5 breaking, 5 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 `404`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `422`
  - …6 more
- **2026-09-16** `a6a61a29ecdd`: 5 breaking, 5 warning, 10 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 `404`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `422`
  - …16 more
- …earlier changes not shown

[Operation history](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/number_order_phone_numbers/:id/requirement_group/post.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/revisions/f82938f53ff4?raw)