---
title: "Purchase and assign a phone number (billed as an extra line when over the plan allowance)."
method: POST
path: "/v1/phone-numbers/purchase"
---

# Purchase and assign a phone number (billed as an extra line when over the plan allowance).

`POST /v1/phone-numbers/purchase`

## Request

- Base URL: `https://www.kaicalls.com/api`
- URL: `https://www.kaicalls.com/api/v1/phone-numbers/purchase`
- Auth: HTTP bearer

## Request body

- object
  - `phone_number` string, required: E.164 number from GET /v1/phone-numbers/search
  - `business_id` string
  - `agent_id` string, nullable

## Response `200`

Purchased and assigned phone number

---

[API](https://skmtc.dev/kaicalls/apis/kaicalls-public-api.md) · [All operations](https://skmtc.dev/kaicalls/apis/kaicalls-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kaicalls/apis/kaicalls-public-api/revisions/e607fc6cf36e?raw)