--- title: "Changes to Originate an outbound leg" method: POST path: "/legs" --- # Changes to Originate an outbound leg `POST /legs` > Every recorded change to this endpoint, newest first. ## Timeline Changed in 18 of 67 revisions. - **2026-09-01** `89ff267f0958` — 2 info - **2026-08-17** `4efc843fe56f` — 1 info - **2026-08-04** `9b0a18aea1e2` — 1 info - **2026-06-15** `41268cfc6143` — 1 info - **2026-06-12** `dee6706a7730` — 1 info - **2026-06-08** `2c5256108234` — 3 warning, 2 info - **2026-05-21** `98f1f6130e2c` — 1 info - **2026-05-13** `97117ab6a5c4` — 2 warning, 6 info - **2026-05-11** `7ab34b92424f` — 1 info - **2026-04-29** `6a046e0fe815` — 2 warning, 4 info - **2026-04-22** `1794fb134332` — 1 info - **2026-04-17** `e2bde82c7722` — 2 info - **2026-04-15** `b84db4b78d2c` — 2 info - **2026-04-13** `8fca8ce718d0` — 1 info - **2026-04-02** `aa02f63bcacb` — 1 info - **2026-03-26** `6ad38ff56ac1` — 1 breaking, 2 info - **2026-03-26** `d09c97c6ca8c` — 13 breaking, 15 warning, 10 info - **2026-03-26** `818619c99a1d` — 2 breaking, 2 warning, 3 info ## Changes - **2026-09-01** `89ff267f0958` — 2 info - added the new optional request property `custom_data` - added the optional property `custom_data` to the response with the `201` status - **2026-08-17** `4efc843fe56f` — 1 info - added the new optional request property `outbound_proxy` - **2026-08-04** `9b0a18aea1e2` — 1 info - added the new optional request property `streams` - **2026-06-15** `41268cfc6143` — 1 info - added the new `AMR-NB` enum value to the request property `codecs/items/` - **2026-06-12** `dee6706a7730` — 1 info - added the new `AMR-WB` enum value to the request property `codecs/items/` - **2026-06-08** `2c5256108234` — 3 warning, 2 info - added the new `livekit_participant` enum value to the `type` response property for the response status `201` - added the new `livekit_publish` enum value to the `type` response property for the response status `201` - added the new `moq_in` enum value to the `type` response property for the response status `201` - added the new optional request property `livekit` - added the new `livekit_room` enum value to the request property `type` - **2026-05-21** `98f1f6130e2c` — 1 info - added the optional property `role` to the response with the `201` status - **2026-05-13** `97117ab6a5c4` — 2 warning, 6 info - added the new `websocket_in` enum value to the `type` response property for the response status `201` - added the new `websocket_out` enum value to the `type` response property for the response status `201` - added the new optional request property `sample_format` - added the new optional request property `sample_rate` - added the new optional request property `url` - added the new optional request property `wire_format` - added the new `websocket` enum value to the request property `type` - added the optional property `headers` to the response with the `201` status - **2026-05-11** `7ab34b92424f` — 1 info - added the new optional request property `rtt` - **2026-04-29** `6a046e0fe815` — 2 warning, 4 info - added the new `whatsapp_in` enum value to the `type` response property for the response status `201` - added the new `whatsapp_out` enum value to the `type` response property for the response status `201` - added the new optional request property `to` - the request property `auth/allOf[#/components/schemas/SIPAuth]/username` became optional - the request property `uri` became optional - added the new `whatsapp` enum value to the request property `type` - **2026-04-22** `1794fb134332` — 1 info - added the new optional request property `speech_detection` - **2026-04-17** `e2bde82c7722` — 2 info - added the new optional request property `app_id` - added the optional property `app_id` to the response with the `201` status - **2026-04-15** `b84db4b78d2c` — 2 info - added the new optional request property `accept_dtmf` - added the required property `accept_dtmf` to the response with the `201` status - **2026-04-13** `8fca8ce718d0` — 1 info - the request property `amd` became nullable - **2026-04-02** `aa02f63bcacb` — 1 info - added the new optional request property `amd` - **2026-03-26** `6ad38ff56ac1` — 1 breaking, 2 info - removed the required property `leg_id` from the response with the `201` status - added the required property `deaf` to the response with the `201` status - added the required property `id` to the response with the `201` status - **2026-03-26** `d09c97c6ca8c` — 13 breaking, 15 warning, 10 info - the request property `auth` became not nullable - the request property `uri` became required - removed the enum value `AMR-NB` of the request property `codecs/items/` - removed the enum value `AMR-WB` of the request property `codecs/items/` - removed the enum value `livekit_room` of the request property `type` - removed the enum value `websocket` of the request property `type` - removed the enum value `whatsapp` of the request property `type` - the `auth` request property type/format changed from ``/`` to `object`/`` - the response property `held` became optional for the status `201` - the response property `muted` became optional for the status `201` - removed the required property `accept_dtmf` from the response with the `201` status - removed the required property `deaf` from the response with the `201` status - removed the required property `id` from the response with the `201` status - removed `#/components/schemas/SIPAuth` from the `auth` request property `allOf` list - removed the request property `accept_dtmf` - removed the request property `amd` - removed the request property `app_id` - removed the request property `livekit` - removed the request property `rtt` - removed the request property `sample_format` - removed the request property `sample_rate` - removed the request property `speech_detection` - removed the request property `to` - removed the request property `url` - removed the request property `wire_format` - removed the optional property `app_id` from the response with the `201` status - removed the optional property `headers` from the response with the `201` status - removed the optional property `role` from the response with the `201` status - added the new optional request property `auth/password` - added the new optional request property `auth/username` - removed the `livekit_participant` enum value from the `type` response property for the response status `201` - removed the `livekit_publish` enum value from the `type` response property for the response status `201` - removed the `moq_in` enum value from the `type` response property for the response status `201` - removed the `websocket_in` enum value from the `type` response property for the response status `201` - removed the `websocket_out` enum value from the `type` response property for the response status `201` - removed the `whatsapp_in` enum value from the `type` response property for the response status `201` - removed the `whatsapp_out` enum value from the `type` response property for the response status `201` - added the required property `leg_id` to the response with the `201` status - **2026-03-26** `818619c99a1d` — 2 breaking, 2 warning, 3 info - added `#/components/schemas/SIPAuth` to the `auth` request property `allOf` list - the `auth` request property type/format changed from `object`/`` to ``/`` - removed the request property `auth/password` - removed the request property `auth/username` - the request property `auth` became nullable - the response property `held` became required for the status `201` - the response property `muted` became required for the status `201` --- [Operation](https://skmtc.dev/voiceblender/apis/voiceblender-api/docs/legs/post.md) · [API](https://skmtc.dev/voiceblender/apis/voiceblender-api.md) · [Page](https://skmtc.dev/voiceblender/apis/voiceblender-api/changes/legs/post)