---
title: "GET /v1/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}"
method: GET
path: "/v1/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}"
tags: ["MarketplaceAvailableAddOnExtension"]
---

# GET /v1/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}

`GET /v1/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}`

## Request

- Base URL: `https://marketplace.twilio.com`
- URL: `https://marketplace.twilio.com/v1/AvailableAddOns/{AvailableAddOnSid}/Extensions/{Sid}`
- Auth: HTTP basic

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

## Path parameters

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

## Response `200`

OK

- MarketplaceV1AvailableAddOnAvailableAddOnExtension
  - `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.

## Changes

- **2024-06-27** (v1) `e78ce03aa4f1`: 1 info
  - api operation id `FetchMarketplaceAvailableAddOnExtension` removed and replaced with `FetchAvailableAddOnExtension`

[Operation history](https://skmtc.dev/twilio/apis/marketplace-v1/changes/v1/AvailableAddOns/:AvailableAddOnSid/Extensions/:Sid/get.md)

---

[API](https://skmtc.dev/twilio/apis/marketplace-v1.md) - [All operations](https://skmtc.dev/twilio/apis/marketplace-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/twilio/apis/marketplace-v1/revisions/390602042b6e?raw)