---
title: "Fetch an instance of an Extension for the Available Add-on."
method: GET
path: "/marketplace/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}"
tags: ["PreviewMarketplaceAvailableAddOnExtension"]
---

# Fetch an instance of an Extension for the Available Add-on.

`GET /marketplace/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}`

Fetch an instance of an Extension for the Available Add-on.

## Path parameters

- `AvailableAddOnSid` string, required
- `Sid` string, required

## Response `200`

OK

- PreviewMarketplaceAvailableAddOnAvailableAddOnExtension
  - `sid` string, nullable — The unique string that we created to identify the AvailableAddOnExtension resource.
  - `available_add_on_sid` string, nullable — The SID of the AvailableAddOn resource to which this extension applies.
  - `friendly_name` string, nullable — The string that you assigned to describe the resource.
  - `product_name` string, nullable — The name of the Product this Extension is used within.
  - `unique_name` string, nullable — An application-defined string that uniquely identifies the resource.
  - `url` string, uri, nullable — The absolute URL of the resource.

---

[API](https://skmtc.net/twilio/apis/preview.md) · [All operations](https://skmtc.net/twilio/apis/preview/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/twilio/preview/versions/eec1185131a7/schema)