---
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`

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

> 73 revisions in range; 1 not diffed.

- **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
- **2026-08-17** `1571b0380bd7` — 15 breaking, 5 info
  - the response property `errors/items/code` became optional for the status `400`
  - the response property `errors/items/code` became optional for the status `401`
  - the response property `errors/items/code` became optional for the status `404`
  - the response property `errors/items/code` became optional for the status `422`
  - …16 more
- …earlier changes not shown

[Full history](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/phone_numbers_regulatory_requirements/get.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/673109139443?raw)