---
title: "Changes to Start agent signup. Sends a 6-digit OTP to the human's email. Returns a verification_id. No auth required."
method: POST
path: "/agentphone/v0/agent/sign-up"
---

# Changes to Start agent signup. Sends a 6-digit OTP to the human's email. Returns a verification_id. No auth required.

`POST /agentphone/v0/agent/sign-up`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 26 revisions.

- **2026-11-08** `857e915717f4`: 1 breaking
- **2026-08-07** `a2f6a959fef9`: 1 info

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body
- **2026-08-07** `a2f6a959fef9`: 1 info
  - removed the non-success response with the status `402`

---

[Operation](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/agentphone/v0/agent/sign-up/post.md) - [API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [Page](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/agentphone/v0/agent/sign-up/post)