---
title: "Changes to Make an outbound voice call. Include systemPrompt for autonomous AI conversation, omit for webhook-driven mode."
method: POST
path: "/agentphone/v1/calls"
---

# Changes to Make an outbound voice call. Include systemPrompt for autonomous AI conversation, omit for webhook-driven mode.

`POST /agentphone/v1/calls`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 28 revisions.

- **2026-11-08** `857e915717f4`: 1 breaking

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body

---

[Operation](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/agentphone/v1/calls/post.md) - [API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [Page](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/agentphone/v1/calls/post)