---
title: "Create an add-on"
method: POST
path: "/api/v1/addons"
tags: ["Add-ons"]
---

# Create an add-on

`POST /api/v1/addons`

## Request body

- CreateAddOnRequest
  - `description` string, nullable
  - `max_instances_per_subscription` integer, nullable
  - `name` string, required
  - `price_id` string, MeteroidId, required
  - `product_id` string, MeteroidId, required
  - `self_serviceable` boolean

## Response `201`

Add-on created

- AddOn
  - `archived_at` string, date-time, nullable
  - `created_at` string, date-time, required
  - `description` string, nullable
  - `fee_type` 'RATE' | 'SLOT' | 'CAPACITY' | 'USAGE' | 'EXTRA_RECURRING' | 'ONE_TIME'
  - `id` string, MeteroidId, required
  - `max_instances_per_subscription` integer, nullable
  - `name` string, required
  - `price_id` string, MeteroidId, required
  - `product_id` string, MeteroidId, required
  - `self_serviceable` boolean, required

## Other responses

- `400` — Bad request
- `401` — Unauthorized
- `429` — Too many requests

## Changes

- **2026-03-27** (v1) `de35c02bb0d2` — 2 warning, 1 info
  - added the new `TOO_MANY_REQUESTS` enum value to the `code` response property for the response status `400`
  - added the new `TOO_MANY_REQUESTS` enum value to the `code` response property for the response status `401`
  - added the non-success response with the status `429`
- **2026-03-20** (v1) `51c7018cc5ef` — 1 info
  - endpoint added
- **2025-07-09** (v1) `dece17f86f99` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/meteroid-oss/apis/meteroid/changes/api/v1/addons/post.md)

---

[API](https://skmtc.dev/meteroid-oss/apis/meteroid.md) · [All operations](https://skmtc.dev/meteroid-oss/apis/meteroid/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/meteroid-oss/meteroid/revisions/de35c02bb0d2/schema)