---
title: "Buy a US or CA phone number. $3/month per number."
method: POST
path: "/agentphone/v1/numbers"
tags: ["AgentPhone"]
---

# Buy a US or CA phone number. $3/month per number.

`POST /agentphone/v1/numbers`

## Request

- Base URL: `https://api.orthogonal.com/mpp`
- URL: `https://api.orthogonal.com/mpp/agentphone/v1/numbers`
- Auth: none declared
- TypeScript: <https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/agentphone/v1/numbers/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `country` string, required: US or CA.
  - `areaCode` string: 3-digit area code.
  - `agentId` string: Agent ID to attach immediately.

## Response `200`

Successful response

## Other responses

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

## Changes

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

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/agentphone/v1/numbers/post.md)

---

[API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [All operations](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/llms.txt) - [OpenAPI document](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/revisions/fc2e1d26c8eb?raw)