---
title: "Changes to Make an outbound call"
method: POST
path: "/calls"
---

# Changes to Make an outbound call

`POST /calls`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 4 of 54 revisions.

- **2026-07-26** `d5569b315411` — 4 warning, 2 info
- **2026-06-16** `9d9cbd71ad4c` — 2 breaking
- **2026-06-10** `50409c1b10f8` — 1 info
- **2026-05-30** `995c56ba9219` — 1 warning, 1 info

## Changes

- **2026-07-26** `d5569b315411` — 4 warning, 2 info
  - added the new `web_session` enum value to the `allOf[subschema #1]/calls/items/destination/type` response property for the response status `200`
  - added the new `web_session` enum value to the `allOf[subschema #1]/calls/items/source/type` response property for the response status `200`
  - added the new `web_session` enum value to the `allOf[subschema #1]/groupcalls/items/destinations/items/type` response property for the response status `200`
  - added the new `web_session` enum value to the `allOf[subschema #1]/groupcalls/items/source/type` response property for the response status `200`
  - added the new `web_session` enum value to the request property `destinations/items/type`
  - added the new `web_session` enum value to the request property `source/type`
- **2026-06-16** `9d9cbd71ad4c` — 2 breaking
  - the `actions` request property's minItems was increased to `1`
  - the `flow_id` request property type/format changed from `string`/`` to `string`/`uuid`
- **2026-06-10** `50409c1b10f8` — 1 info
  - added the new optional request property `variables`
- **2026-05-30** `995c56ba9219` — 1 warning, 1 info
  - removed the request property `variables`
  - the `flow_id` request property type/format was generalized from `string`/`uuid` to `string`/``

---

[Operation](https://skmtc.dev/voipbin/apis/voipbin-api/docs/calls/post.md) · [API](https://skmtc.dev/voipbin/apis/voipbin-api.md) · [Page](https://skmtc.dev/voipbin/apis/voipbin-api/changes/calls/post)