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

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

`POST /agentphone/v1/calls`

## Response `200`

Successful response

## Other responses

- `402` — Payment Required (x402 / MPP / np)

---

[API](https://skmtc.net/orthogonal/apis/orthogonal-api-marketplace.md) · [All operations](https://skmtc.net/orthogonal/apis/orthogonal-api-marketplace/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/orthogonal/orthogonal-api-marketplace/revisions/fe6145f924f0/schema)