---
title: "Retrieve regulatory requirements for a list of phone numbers"
method: GET
path: "/phone_numbers_regulatory_requirements"
tags: ["Regulatory Requirements"]
---

# Retrieve regulatory requirements for a list of phone numbers

`GET /phone_numbers_regulatory_requirements`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/phone_numbers_regulatory_requirements`
- Auth: HTTP bearer

Returns the regulatory requirements that apply to the supplied comma-separated phone numbers. The response includes the matching requirement records and pagination metadata.

## Query parameters

- `filter` object
  - `phone_number` string: Record type phone number/ phone numbers

## Response `200`

An array of Regulatory Requirements Responses

- object
  - `data` RegulatoryRequirementsPhoneNumbers[]
    - `phone_number` string
    - `phone_number_type` string
    - `region_information` object[]
      - `region_name` string
      - `region_type` string
    - `record_type` string
    - `regulatory_requirements` object[]
      - `description` string
      - `id` string, uuid
      - `example` string
      - `label` string
      - `field_type` string
      - `acceptance_criteria` object
        - `locality_limit` string
        - `field_value` string
        - `field_type` string
      - `record_type` string
  - `meta` PaginationMeta
    - `total_pages` integer
    - `total_results` integer
    - `page_number` integer
    - `page_size` integer

## 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

- **2026-10-21** `67df31283a8a`: 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
- **2026-10-15** `a72569d69430`: 7 breaking, 5 warning, 10 info
  - the response property `meta/page_number` became optional for the status `200`
  - the response property `meta/total_pages` became optional for the status `200`
  - 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`
  - …18 more

[Operation history](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/phone_numbers_regulatory_requirements/get.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api/revisions/0f17b8167873?raw)