---
title: "Changes to Update a Call"
method: POST
path: "/Accounts/{AccountSid}/Calls/{Sid}"
---

# Changes to Update a Call

`POST /Accounts/{AccountSid}/Calls/{Sid}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 9 of 40 revisions.

- **2026-05-12** `2916d5e3072e` — 4 breaking, 6 info
- **2026-05-12** `5344c0c93a4c` — 1 breaking, 7 info
- **2026-03-04** `2e516ba2383f` — 19 breaking, 2 info
- **2026-01-21** `250c3ae23842` — 2 warning
- **2026-01-20** `dce1bcef69f0` — 2 info
- **2026-01-19** `d5fbaaddfa3e` — 12 breaking, 1 warning, 41 info
- **2026-01-15** `07f73f74a61d` — 1 breaking, 1 info
- **2026-01-15** `686ef84c2abc` — 1 breaking
- **2026-01-15** `3c88f14db21e` — 8 breaking, 2 warning, 18 info

## Changes

- **2026-05-12** `2916d5e3072e` — 4 breaking, 6 info
  - the `account_sid` response's property type/format changed from `string`/`uuid` to ``/`` for status `200`
  - the `parent_call_sid` response's property type/format changed from ``/`uuid` to ``/`` for status `200`
  - the `phone_number_sid` response's property type/format changed from ``/`uuid` to ``/`` for status `200`
  - the `sid` response's property type/format changed from `string`/`uuid` to ``/`` for status `200`
  - added `#/components/schemas/uuid` to the `account_sid` response property `allOf` list for the response status `200`
  - added `#/components/schemas/uuid` to the `sid` response property `allOf` list for the response status `200`
  - added `#/components/schemas/uuid` to the `parent_call_sid` response property `anyOf` list for the response status `200`
  - added `#/components/schemas/uuid` to the `phone_number_sid` response property `anyOf` list for the response status `200`
  - removed `subschema #1` from the `parent_call_sid` response property `anyOf` list for the response status `200`
  - removed `subschema #1` from the `phone_number_sid` response property `anyOf` list for the response status `200`
- **2026-05-12** `5344c0c93a4c` — 1 breaking, 7 info
  - added 'unevaluatedProperties' constraint to the request body
  - added 'unevaluatedProperties' constraint to the response body for the status `200`
  - 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 `404`
  - added 'unevaluatedProperties' constraint to the response body for the status `422`
  - added 'unevaluatedProperties' constraint to the response body for the status `503`
  - added 'unevaluatedProperties' constraint to the `subresource_uris/allOf[#/components/schemas/CallSubresourceUris]/` response property for the status `200`
- **2026-03-04** `2e516ba2383f` — 19 breaking, 2 info
  - response property `annotation` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_in_mos` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_out_jitter_avg` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_out_jitter_max` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_out_jitter_min` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_out_lost` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_rtt_avg` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_rtt_max` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `audio_rtt_min` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `caller_name` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `end_time` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `forwarded_from` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `group_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `parent_call_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `phone_number_sid` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `price` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `sip_result_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `start_time` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `subresource_uris/allOf[#/components/schemas/CallSubresourceUris]/notifications` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - removed `#/components/schemas/AnsweredBy` from the `answered_by` response property `allOf` list for the response status `200`
  - added `#/components/schemas/AnsweredBy, subschema #2` to the `answered_by` response property `anyOf` list for the response status `200`
- **2026-01-21** `250c3ae23842` — 2 warning
  - removed the request property `Laml`
  - removed the request property `Twiml`
- **2026-01-20** `dce1bcef69f0` — 2 info
  - added the non-success response with the status `400`
  - added the non-success response with the status `503`
- **2026-01-19** `d5fbaaddfa3e` — 12 breaking, 1 warning, 41 info
  - the `FallbackUrl` request property type/format changed from `string`/`` to `string`/`uri`
  - the `StatusCallback` request property type/format changed from `string`/`` to `string`/`uri`
  - the `Url` request property type/format changed from `string`/`` to `string`/`uri`
  - the response property `annotation` became nullable for the status `200`
  - the response property `answered_by` became nullable for the status `200`
  - the response property `end_time` became nullable for the status `200`
  - the response property `forwarded_from` became nullable for the status `200`
  - the response property `parent_call_sid` became nullable for the status `200`
  - the response property `phone_number_sid` became nullable for the status `200`
  - the response property `price` became nullable for the status `200`
  - the response property `start_time` became nullable for the status `200`
  - the response property `subresource_uris/allOf[#/components/schemas/CallSubresourceUris]/notifications` became nullable for the status `200`
  - added the new `no-answer` enum value to the `status/allOf[#/components/schemas/CallStatus]/` response property for the response status `200`
  - added the new optional request property `Laml`
  - added the new optional request property `Twiml`
  - added the non-success response with the status `422`
  - the response property `account_sid` became required for the status `200`
  - the response property `annotation` became required for the status `200`
  - the response property `answered_by` became required for the status `200`
  - the response property `api_version` became required for the status `200`
  - the response property `date_created` became required for the status `200`
  - the response property `date_updated` became required for the status `200`
  - the response property `direction` became required for the status `200`
  - the response property `duration` became required for the status `200`
  - the response property `end_time` became required for the status `200`
  - the response property `formatted_from` became required for the status `200`
  - the response property `formatted_to` became required for the status `200`
  - the response property `forwarded_from` became required for the status `200`
  - the response property `from` became required for the status `200`
  - the response property `parent_call_sid` became required for the status `200`
  - the response property `phone_number_sid` became required for the status `200`
  - the response property `price` became required for the status `200`
  - the response property `price_unit` became required for the status `200`
  - the response property `sid` became required for the status `200`
  - the response property `start_time` became required for the status `200`
  - the response property `status` became required for the status `200`
  - the response property `subresource_uris` became required for the status `200`
  - the response property `subresource_uris/allOf[#/components/schemas/CallSubresourceUris]/notifications` became required for the status `200`
  - the response property `subresource_uris/allOf[#/components/schemas/CallSubresourceUris]/recordings` became required for the status `200`
  - the response property `to` became required for the status `200`
  - …14 more
- **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** `686ef84c2abc` — 1 breaking
  - the response property `annotation` became nullable for the status `200`
- **2026-01-15** `3c88f14db21e` — 8 breaking, 2 warning, 18 info
  - added the new path request parameter `AccountSid`
  - added the new path request parameter `Sid`
  - removed the media type `application/x-www-form-urlencoded` from the request body
  - the `answered_by` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `api_version` response's property type/format changed from ``/`` to `string`/`` for status `200`
  - the `direction` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `status` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `subresource_uris` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - removed the optional property `subresource_uris/notifications` from the response with the `200` status
  - removed the optional property `subresource_uris/recordings` from the response with the `200` status
  - added the media type `application/json` to the request body
  - added the non-success response with the status `401`
  - added the non-success response with the status `404`
  - added `#/components/schemas/AnsweredBy` to the `answered_by` response property `allOf` list for the response status `200`
  - added `#/components/schemas/CallDirection` to the `direction` response property `allOf` list for the response status `200`
  - added `#/components/schemas/CallStatus` to the `status` response property `allOf` list for the response status `200`
  - added `#/components/schemas/CallSubresourceUris` to the `subresource_uris` response property `allOf` list for the response status `200`
  - removed the `busy` enum value from the `status` response property for the response status `200`
  - removed the `canceled` enum value from the `status` response property for the response status `200`
  - removed the `completed` enum value from the `status` response property for the response status `200`
  - removed the `failed` enum value from the `status` response property for the response status `200`
  - removed the `human` enum value from the `answered_by` response property for the response status `200`
  - removed the `in-progress` enum value from the `status` response property for the response status `200`
  - removed the `inbound` enum value from the `direction` response property for the response status `200`
  - removed the `machine` enum value from the `answered_by` response property for the response status `200`
  - removed the `outbound` enum value from the `direction` response property for the response status `200`
  - removed the `queued` enum value from the `status` response property for the response status `200`
  - removed the `ringing` enum value from the `status` response property for the response status `200`

---

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