---
title: "List add-ons for plan"
method: GET
path: "/v3/openmeter/plans/{planId}/addons"
tags: ["OpenMeter Product Catalog"]
---

# List add-ons for plan

`GET /v3/openmeter/plans/{planId}/addons`

**Pre-release Endpoint**
This endpoint is currently in beta and is subject to change.

List add-ons associated with a plan.

## Path parameters

- `planId` string, required — ULID (Universally Unique Lexicographically Sortable Identifier).

## Query parameters

- `page` object
  - `size` integer — The number of items to include per page.
  - `number` integer — The page number.

## Response `200`

Page paginated response.

- PlanAddonPagePaginatedResponse — Page paginated response.
  - `data` PlanAddon[], required
    - `id` string, required — ULID (Universally Unique Lexicographically Sortable Identifier).
    - `name` string, required — Display name of the resource. Between 1 and 256 characters.
    - `description` string — Optional description of the resource. Maximum 1024 characters.
    - `labels` Labels — Labels store metadata of an entity that can be used for filtering an entity list or for searching across entity types. Keys must be of length 1-63 characters, and cannot start with "kong", "konnect", "mesh", "kic", or "_".
    - `created_at` string, date-time, required — An ISO-8601 timestamp representation of entity creation date.
    - `updated_at` string, date-time, required — An ISO-8601 timestamp representation of entity last update date.
    - `deleted_at` string, date-time — An ISO-8601 timestamp representation of entity deletion date.
    - `addon` object, required — The add-on associated with the plan.
      - `id` string, required — ULID (Universally Unique Lexicographically Sortable Identifier).
    - `from_plan_phase` string, required — The key of the plan phase from which the add-on becomes available for purchase.
    - `max_quantity` integer — The maximum number of times the add-on can be purchased for the plan. For single-instance add-ons this field must be omitted. For multi-instance add-ons when omitted, unlimited quantity can be purchased.
    - `validation_errors` ProductCatalogValidationError[] — List of validation errors.
      - `code` string, required — Machine-readable error code.
      - `message` string, required — Human-readable description of the error.
      - `attributes` object — Additional structured context.
      - `field` string, required — The path to the field.
  - `meta` PaginatedMeta, required — returns the pagination information
    - `page` PageMeta, required — Contains pagination query parameters and the total number of objects returned.
      - `number` number, required
      - `size` number, required
      - `total` number, required

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found

---

[API](https://skmtc.net/kong/apis/konnect-api-go-sdk.md) · [All operations](https://skmtc.net/kong/apis/konnect-api-go-sdk/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/kong/konnect-api-go-sdk/versions/0261aef4b1e2/schema)