curl --request GET \
  --url https://commet.co/api/v1/addons \
  --header 'x-api-key: <api-key>'

import { Commet } from "@commet/node";

const commet = new Commet({ apiKey: "ck_xxx" });

const response = await commet.addons.list();

from commet import Commet

commet = Commet("ck_xxx")

addons_list_result = commet.addons.list()

client, err := commet.New("ck_xxx")
if err != nil {
	log.Fatal(err)
}
ctx := context.Background()

addonsListResult, err := client.Addons.List(ctx, nil)
if err != nil {
	log.Fatal(err)
}

import co.commet.Commet;
import co.commet.params.ListAddonsParams;

var commet = Commet.builder().apiKey("ck_xxx").build();

var addonsListResult = commet.addons().list(ListAddonsParams.builder().build());

use Commet\Commet;

$commet = new Commet('ck_xxx');

$addonsListResult = $commet->addons->list();

{
  "object": "list",
  "data": [
    {
      "id": "addon_1a2b3c4d",
      "name": "Extra API calls",
      "slug": "extra-api-calls",
      "description": "An additional 1,000 API calls per billing period",
      "basePrice": 1000,
      "featureCode": "api_calls",
      "featureName": "API Calls",
      "createdAt": "2026-09-07T12:00:00.000Z",
      "updatedAt": "2026-09-07T12:00:00.000Z",
      "consumptionModel": "metered",
      "includedUnits": 1000,
      "overageRate": null,
      "creditCost": null,
      "object": "addon",
      "livemode": false
    }
  ],
  "hasMore": false
}

{
  "error": {
    "type": "validation_error",
    "code": "validation_error",
    "message": "The request contains an invalid parameter.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/validation_error.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "unauthorized",
    "message": "A valid API key is required.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/unauthorized.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "forbidden",
    "message": "You do not have permission to perform this operation.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/forbidden.md"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Too many requests. Retry after the interval specified in the Retry-After header.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/rate_limited.md"
  }
}

{
  "error": {
    "type": "internal_error",
    "code": "internal_error",
    "message": "An unexpected error occurred while processing the request.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/internal_error.md"
  }
}