---
title: "Changes to Import a Phone Number"
method: POST
path: "/Accounts/{AccountSid}/ImportedPhoneNumbers"
---

# Changes to Import a Phone Number

`POST /Accounts/{AccountSid}/ImportedPhoneNumbers`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 47 revisions.

- **2026-05-12** `2916d5e3072e`: 2 breaking, 2 info
- **2026-05-12** `5344c0c93a4c`: 1 breaking, 5 info
- **2026-03-04** `2e516ba2383f`: 12 breaking
- **2026-01-21** `250c3ae23842`: 1 info
- **2026-01-19** `d5fbaaddfa3e`: 17 breaking, 4 warning, 39 info
- **2026-01-15** `83474fafde70`: 5 breaking
- **2026-01-15** `a10b019314cd`: 2 warning
- **2026-01-15** `07f73f74a61d`: 1 breaking, 1 info
- **2026-01-15** `518ffc8751b7`: 2 info
- **2026-01-15** `686ef84c2abc`: 5 breaking
- **2026-01-15** `3c88f14db21e`: 1 info

## Changes

- **2026-05-12** `2916d5e3072e`: 2 breaking, 2 info
  - the `account_id` response's property type changed from `string` to no type, and format from `uuid` to no format for status `201`
  - the `account_sid` response's property type changed from `string` to no type, and format from `uuid` to no format for status `201`
  - added `#/components/schemas/uuid` to the `account_id` response property `allOf` list for the response status `201`
  - added `#/components/schemas/uuid` to the `account_sid` response property `allOf` list for the response status `201`
- **2026-05-12** `5344c0c93a4c`: 1 breaking, 5 info
  - added 'unevaluatedProperties' constraint to the request body
  - added 'unevaluatedProperties' constraint to the response body for the status `201`
  - added 'unevaluatedProperties' constraint to the response body for the status `400`
  - added 'unevaluatedProperties' constraint to the response body for the status `401`
  - added 'unevaluatedProperties' constraint to the response body for the status `422`
  - added 'unevaluatedProperties' constraint to the `capabilities/allOf[#/components/schemas/IncomingPhoneNumberCapabilities]/` response property for the status `201`
- **2026-03-04** `2e516ba2383f`: 12 breaking
  - response property `address_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `emergency_address_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `identity_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `sms_application_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `sms_fallback_url` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `sms_url` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `status_callback` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `trunk_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `voice_application_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `voice_caller_id_lookup` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `voice_fallback_url` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - response property `voice_url` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
- **2026-01-21** `250c3ae23842`: 1 info
  - the request property `capabilities` became optional
- **2026-01-19** `d5fbaaddfa3e`: 17 breaking, 4 warning, 39 info
  - the request property `capabilities` became required
  - the `capabilities` request property's minItems was increased to `1`
  - the `number` request property's minLength was increased from `5` to `6`
  - added the pattern `^\+\d{5,30}$` to the request property `number`
  - the response property `address_sid` became nullable for the status `201`
  - the response property `emergency_address_sid` became nullable for the status `201`
  - the response property `identity_sid` became nullable for the status `201`
  - the response property `sms_application_sid` became nullable for the status `201`
  - the response property `sms_fallback_url` became nullable for the status `201`
  - the response property `sms_url` became nullable for the status `201`
  - the response property `status_callback` became nullable for the status `201`
  - the response property `trunk_sid` became nullable for the status `201`
  - the response property `voice_application_sid` became nullable for the status `201`
  - the response property `voice_caller_id_lookup` became nullable for the status `201`
  - the response property `voice_fallback_url` became nullable for the status `201`
  - the response property `voice_url` became nullable for the status `201`
  - the `emergency_status` response's property type changed from no type to `string` for status `201`
  - removed the optional property `capabilities/allOf[#/components/schemas/IncomingPhoneNumberCapabilities]/Fax` from the response with the `201` status
  - removed the optional property `capabilities/allOf[#/components/schemas/IncomingPhoneNumberCapabilities]/MMS` from the response with the `201` status
  - removed the optional property `capabilities/allOf[#/components/schemas/IncomingPhoneNumberCapabilities]/SMS` from the response with the `201` status
  - removed the optional property `capabilities/allOf[#/components/schemas/IncomingPhoneNumberCapabilities]/Voice` from the response with the `201` status
  - the `number` request property's maxLength was increased from `30` to `31`
  - added the optional property `verification_status` to the response with the `201` status
  - removed `#/components/schemas/EmergencyStatus` from the `emergency_status` response property `allOf` list for the response status `201`
  - the response property `account_sid` became required for the status `201`
  - the response property `address_requirements` became required for the status `201`
  - the response property `address_sid` became required for the status `201`
  - the response property `api_version` became required for the status `201`
  - the response property `beta` became required for the status `201`
  - the response property `capabilities` became required for the status `201`
  - the response property `date_created` became required for the status `201`
  - the response property `date_updated` became required for the status `201`
  - the response property `emergency_address_sid` became required for the status `201`
  - the response property `emergency_status` became required for the status `201`
  - the response property `friendly_name` became required for the status `201`
  - the response property `identity_sid` became required for the status `201`
  - the response property `origin` became required for the status `201`
  - the response property `phone_number` became required for the status `201`
  - the response property `sid` became required for the status `201`
  - the response property `sms_application_sid` became required for the status `201`
  - …20 more
- **2026-01-15** `83474fafde70`: 5 breaking
  - the response property `code` became optional for the status `422`
  - the response property `message` became optional for the status `422`
  - the response property `more_info` became optional for the status `422`
  - the response property `status` became optional for the status `422`
  - the `code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `422`
- **2026-01-15** `a10b019314cd`: 2 warning
  - removed the optional property `account_id` from the response with the `201` status
  - removed the optional property `country_code` from the response with the `201` status
- **2026-01-15** `07f73f74a61d`: 1 breaking, 1 info
  - removed the media type `application/json` from the request body
  - added the media type `application/x-www-form-urlencoded` to the request body
- **2026-01-15** `518ffc8751b7`: 2 info
  - added the optional property `account_id` to the response with the `201` status
  - added the optional property `country_code` to the response with the `201` status
- **2026-01-15** `686ef84c2abc`: 5 breaking
  - the response property `emergency_address_sid` became nullable for the status `201`
  - the response property `sms_application_sid` became nullable for the status `201`
  - the response property `sms_fallback_url` became nullable for the status `201`
  - the response property `sms_url` became nullable for the status `201`
  - the response property `voice_application_sid` became nullable for the status `201`
- **2026-01-15** `3c88f14db21e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/signalwire/apis/compatibility-api/docs/Accounts/:AccountSid/ImportedPhoneNumbers/post.md) - [API](https://skmtc.dev/signalwire/apis/compatibility-api.md) - [Page](https://skmtc.dev/signalwire/apis/compatibility-api/changes/Accounts/:AccountSid/ImportedPhoneNumbers/post)
