# Knowledge Base **URL:** https://community.amazondeveloper.com/c/fire-apps/knowledge-base/19.md [Latest](https://community.amazondeveloper.com/latest.md) · [Categories](https://community.amazondeveloper.com/categories.md) · [Tags](https://community.amazondeveloper.com/tags.md) --- ## [🔥 Migrating your Fire OS App to Vega with ADBT](https://community.amazondeveloper.com/t/migrating-your-fire-os-app-to-vega-with-adbt/29102)
**Author:** [@Siddhesh\_Pandit](https://community.amazondeveloper.com/u/Siddhesh_Pandit)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 5:00am UTC](https://community.amazondeveloper.com/t/migrating-your-fire-os-app-to-vega-with-adbt/29102 "2026-08-25T05:00:00Z")
Migrating your existing Fire OS App to Vega OS with ADBT This walkthrough shows how to use Amazon Devices Builder Tools (ADBT) to take an existing Fire OS app and migrate it to Vega OS. Before you begin, please note … --- ## [Testing the Amazon Appstore Age Verification (GetUserAgeData) API — Developer & QA Guide ](https://community.amazondeveloper.com/t/testing-the-amazon-appstore-age-verification-getuseragedata-api-developer-qa-guide/28806)
**Author:** [@pudakeri](https://community.amazondeveloper.com/u/pudakeri)\ **Replies:** 0\ **Last updated:** [July 24, 2026, 9:02pm UTC](https://community.amazondeveloper.com/t/testing-the-amazon-appstore-age-verification-getuseragedata-api-developer-qa-guide/28806 "2026-07-24T21:02:09Z")
Getting Ready for Age Verification: Testing the Amazon Appstore GetUserAgeData API Audience: App developers and QA teams integrating the Amazon Appstore’s GetUserAgeData API ahead of app submission. Purpose: A practica… --- ## [How do I get help with app sales or payments?](https://community.amazondeveloper.com/t/how-do-i-get-help-with-app-sales-or-payments/24500)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [October 11, 2025, 4:03pm UTC](https://community.amazondeveloper.com/t/how-do-i-get-help-with-app-sales-or-payments/24500 "2025-10-11T16:03:57Z")
If you are having trouble with your app and IAP sales or receiving a payment on the Amazon Appstore, please use the Contact Us form for assistance. For security purposes, we are not able to discuss sensitive sales or pa… --- ## [Why do I see other apps listed with mine on Amazon?](https://community.amazondeveloper.com/t/why-do-i-see-other-apps-listed-with-mine-on-amazon/24435)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [October 9, 2025, 7:21am UTC](https://community.amazondeveloper.com/t/why-do-i-see-other-apps-listed-with-mine-on-amazon/24435 "2025-10-09T07:21:56Z")
If you are seeing other apps next to yours when you click your company name on the retail website and Amazon Appstore, it’s because your company name is not unique and someone else is using the same name. We recommend c… --- ## [How do I get help with Account Identity Verification?](https://community.amazondeveloper.com/t/how-do-i-get-help-with-account-identity-verification/24426)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [October 8, 2025, 6:25am UTC](https://community.amazondeveloper.com/t/how-do-i-get-help-with-account-identity-verification/24426 "2025-10-08T06:25:55Z")
To protect against fraudulent activity, we require you to verify your identity to distribute your app on Amazon Appstore. For security purposes, we are not able to discuss Account Identity Verification issues in the com… --- ## [What are the minimum payment amounts?](https://community.amazondeveloper.com/t/what-are-the-minimum-payment-amounts/2289)
**Author:** [@Mary](https://community.amazondeveloper.com/u/Mary)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 3:14am UTC](https://community.amazondeveloper.com/t/what-are-the-minimum-payment-amounts/2289 "2023-12-28T03:14:55Z")
Prior to Amazon issuing a payment for a marketplace, the payment must meet the applicable threshold based on your payment type and the currency of that marketplace: Direct Deposit(EFT): $0 USD, €0 EUR, £0 GBP, ¥0 JPY, … --- ## [An Android Developer's Guide to React Native](https://community.amazondeveloper.com/t/an-android-developers-guide-to-react-native/9226)
**Author:** [@Anisha](https://community.amazondeveloper.com/u/Anisha)\ **Replies:** 0\ **Last updated:** [March 13, 2025, 2:02pm UTC](https://community.amazondeveloper.com/t/an-android-developers-guide-to-react-native/9226 "2025-03-13T14:02:52Z")
Thinking of transitioning from Android to React Native? I wrote this guide to help with the mental shift of learning React Native development from an Android background. --- ## [Why did my testers not receive a Live App Testing (LAT) invitation email?](https://community.amazondeveloper.com/t/why-did-my-testers-not-receive-a-live-app-testing-lat-invitation-email/1778)
**Author:** [@Gomathy](https://community.amazondeveloper.com/u/Gomathy)\ **Replies:** 0\ **Last updated:** [December 17, 2023, 1:15am UTC](https://community.amazondeveloper.com/t/why-did-my-testers-not-receive-a-live-app-testing-lat-invitation-email/1778 "2023-12-17T01:15:36Z")
When a tester first receives their email invitation, they have an option to unsubscribe from LAT communications. A tester who unsubscribes doesn’t receive LAT invites through emails or push notifications. If after unsubs… --- ## [What is Matter Casting?](https://community.amazondeveloper.com/t/what-is-matter-casting/9122)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [March 5, 2025, 4:56pm UTC](https://community.amazondeveloper.com/t/what-is-matter-casting/9122 "2025-03-05T16:56:08Z")
Matter Casting enables customers to cast content from iOS and Android apps to Fire TV, Echo Show, and other TVs that support Matter Casting. Customers can browse for content or begin watching content on their phone and c… --- ## [What is Amazon Fling?](https://community.amazondeveloper.com/t/what-is-amazon-fling/2225)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 20, 2023, 11:07pm UTC](https://community.amazondeveloper.com/t/what-is-amazon-fling/2225 "2023-12-20T23:07:27Z")
Amazon Fling is a second-screen service that enables your customers to send media and web content from Fire OS, iOS, and Android mobile devices to Amazon Fire TV devices for display and playback. Amazon Fling will be di… --- ## [How to use the App Submission API](https://community.amazondeveloper.com/t/how-to-use-the-app-submission-api/9110)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [March 4, 2025, 6:19pm UTC](https://community.amazondeveloper.com/t/how-to-use-the-app-submission-api/9110 "2025-03-04T18:19:36Z")
The App Submission API is a RESTful API to help you manage your Android app catalog by programmatically updating your existing apps on the Amazon Appstore. Use this API to automate the submission of new app versions, or … --- ## [How to implement maps in your app](https://community.amazondeveloper.com/t/how-to-implement-maps-in-your-app/4595)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 31, 2025, 4:47pm UTC](https://community.amazondeveloper.com/t/how-to-implement-maps-in-your-app/4595 "2025-01-31T16:47:59Z")
As part of our efforts to enhance the Fire tablet user experience and optimize resources, the Amazon Maps API was deprecated on September 19, 2024. If your app requires map functionality, here are some alternative maps … --- ## [Get started with React Native for Fire OS](https://community.amazondeveloper.com/t/get-started-with-react-native-for-fire-os/5690)
**Author:** [@Anisha](https://community.amazondeveloper.com/u/Anisha)\ **Replies:** 0\ **Last updated:** [July 16, 2024, 1:44pm UTC](https://community.amazondeveloper.com/t/get-started-with-react-native-for-fire-os/5690 "2024-07-16T13:44:02Z")
React Native enables developers to build native apps for Amazon Fire OS devices using their existing JavaScript and React skills. Since Fire OS is based on the Android Open Source Project (AOSP), if you are already wo… --- ## [How to run a Performance Test](https://community.amazondeveloper.com/t/how-to-run-a-performance-test/7120)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [October 31, 2024, 5:37pm UTC](https://community.amazondeveloper.com/t/how-to-run-a-performance-test/7120 "2024-10-31T17:37:24Z")
We now offer a performance test for Fire OS apps to measure First Frame (Time to Initial Display), which basically means it will test how fast your app will get started. Set up To get started you’ll need to: Install J… --- ## [How do I test my app? (Emulator, beta test, IAP, physical device)](https://community.amazondeveloper.com/t/how-do-i-test-my-app-emulator-beta-test-iap-physical-device/1779)
**Author:** [@ctrag](https://community.amazondeveloper.com/u/ctrag)\ **Replies:** 0\ **Last updated:** [December 17, 2023, 1:30am UTC](https://community.amazondeveloper.com/t/how-do-i-test-my-app-emulator-beta-test-iap-physical-device/1779 "2023-12-17T01:30:36Z")
When developing applications for Amazon devices, it’s critical to test them to submitting them to Amazon Appstore. Review the compatibility testing guidelines for Fire TV and Fire tablet apps. You also need to consid… --- ## [How to set up Retention Offers](https://community.amazondeveloper.com/t/how-to-set-up-retention-offers/7135)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [October 18, 2024, 4:06pm UTC](https://community.amazondeveloper.com/t/how-to-set-up-retention-offers/7135 "2024-10-18T16:06:09Z")
Retention Offers are a way to offer limited-time discounts to customers who are considering unsubscribing from your app. Retention Offers are easy to set up and can be created in three simple steps: Step … --- ## [How to add voice support to Fire TV apps and content](https://community.amazondeveloper.com/t/how-to-add-voice-support-to-fire-tv-apps-and-content/2224)
**Author:** [@Levon](https://community.amazondeveloper.com/u/Levon)\ **Replies:** 0\ **Last updated:** [December 20, 2023, 10:55pm UTC](https://community.amazondeveloper.com/t/how-to-add-voice-support-to-fire-tv-apps-and-content/2224 "2023-12-20T22:55:54Z")
You can enhance your app and content by adding Alexa voice support to it, so that customers can interact with their TVs in a hands-free way (an interaction referred to as “far-field control”). They can ask Alexa to pl… --- ## [How do I transfer my developer account to a new owner?](https://community.amazondeveloper.com/t/how-do-i-transfer-my-developer-account-to-a-new-owner/2236)
**Author:** [@Yuri](https://community.amazondeveloper.com/u/Yuri)\ **Replies:** 0\ **Last updated:** [December 21, 2023, 11:24pm UTC](https://community.amazondeveloper.com/t/how-do-i-transfer-my-developer-account-to-a-new-owner/2236 "2023-12-21T23:24:40Z")
If you want to change the owner of your company developer account, you can do so in the Developer Console without the need to contact the developer support team. To change the owner of the developer account, you must cu… --- ## [How do I add new users to my developer account?](https://community.amazondeveloper.com/t/how-do-i-add-new-users-to-my-developer-account/1773)
**Author:** [@ctrag](https://community.amazondeveloper.com/u/ctrag)\ **Replies:** 0\ **Last updated:** [December 16, 2023, 11:53pm UTC](https://community.amazondeveloper.com/t/how-do-i-add-new-users-to-my-developer-account/1773 "2023-12-16T23:53:07Z")
If your company has multiple users who work on app development and app submissions, you can give them access to your company’s account. You can also assign each user a role that limits their permissions within your accou… --- ## [Two-step verification for payment info access and updating your mobile phone number](https://community.amazondeveloper.com/t/two-step-verification-for-payment-info-access-and-updating-your-mobile-phone-number/2194)
**Author:** [@Yuri](https://community.amazondeveloper.com/u/Yuri)\ **Replies:** 0\ **Last updated:** [December 19, 2023, 9:45pm UTC](https://community.amazondeveloper.com/t/two-step-verification-for-payment-info-access-and-updating-your-mobile-phone-number/2194 "2023-12-19T21:45:00Z")
Two-step verification is a process that protects access to your information. Amazon requires two-step verification when you add or edit payment information in the Developer Console. Two-step verification uses either a on… --- ## [How do I transfer my app to another developer?](https://community.amazondeveloper.com/t/how-do-i-transfer-my-app-to-another-developer/2185)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 18, 2023, 11:19pm UTC](https://community.amazondeveloper.com/t/how-do-i-transfer-my-app-to-another-developer/2185 "2023-12-18T23:19:13Z")
Unless absolutely necessary, Amazon strongly discourages developers from transferring an app to another account, because most Amazon APIs will permanently cease to function. Instead we recommend you suppress the app and r… --- ## [How do I change my account information?](https://community.amazondeveloper.com/t/how-do-i-change-my-account-information/2246)
**Author:** [@Kunijordan](https://community.amazondeveloper.com/u/Kunijordan)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 10:36am UTC](https://community.amazondeveloper.com/t/how-do-i-change-my-account-information/2246 "2023-12-22T10:36:15Z")
To change your contact information, sign in to the Developer Console, go to Settings \> My Account, and then click Edit to change your name, email, phone number, or password. If you do not have administrator permissions, … --- ## [Why can't I log in to my account?](https://community.amazondeveloper.com/t/why-cant-i-log-in-to-my-account/2247)
**Author:** [@amz\_sha](https://community.amazondeveloper.com/u/amz_sha)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 10:51am UTC](https://community.amazondeveloper.com/t/why-cant-i-log-in-to-my-account/2247 "2023-12-22T10:51:12Z")
Every Amazon Appstore developer’s account is linked to an Amazon.com (customer/shopping) account with same account e-mail id and password. If you update your credentials on Amazon.com, they will also be updated on develo… --- ## [How do I close my developer account?](https://community.amazondeveloper.com/t/how-do-i-close-my-developer-account/1596)
**Author:** [@Amz\_Rsk](https://community.amazondeveloper.com/u/Amz_Rsk)\ **Replies:** 0\ **Last updated:** [November 21, 2023, 9:22pm UTC](https://community.amazondeveloper.com/t/how-do-i-close-my-developer-account/1596 "2023-11-21T21:22:58Z")
Our goal is to establish long-term relationships with developers and we would love to hear your feedback on what we can do to improve your Amazon Appstore developer experience. Please note that we do not charge a fee to … --- ## [Why am I not receiving developer communication emails?](https://community.amazondeveloper.com/t/why-am-i-not-receiving-developer-communication-emails/2275)
**Author:** [@amz\_sha](https://community.amazondeveloper.com/u/amz_sha)\ **Replies:** 0\ **Last updated:** [December 27, 2023, 1:10am UTC](https://community.amazondeveloper.com/t/why-am-i-not-receiving-developer-communication-emails/2275 "2023-12-27T01:10:15Z")
Amazon sends email to only the address associated with the account owner when corresponding with you about your app’s status. When you set up a new Amazon developer account, you are the default account administrator and … --- ## [What are the permission levels for each user role?](https://community.amazondeveloper.com/t/what-are-the-permission-levels-for-each-user-role/2244)
**Author:** [@Amz\_SK](https://community.amazondeveloper.com/u/Amz_SK)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 9:47am UTC](https://community.amazondeveloper.com/t/what-are-the-permission-levels-for-each-user-role/2244 "2023-12-22T09:47:19Z")
There are four roles that each user on a company’s developer account can have — Administrator, Marketer, Developer, and Analyst — and each role has its own set of user permissions. Choosing the correct user permission(s)… --- ## [How to promote your Fire TV app](https://community.amazondeveloper.com/t/how-to-promote-your-fire-tv-app/4295)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [April 2, 2024, 11:14pm UTC](https://community.amazondeveloper.com/t/how-to-promote-your-fire-tv-app/4295 "2024-04-02T23:14:33Z")
The Fire TV Self-Service Advertising console allows you to create and manage ad campaigns on Fire TV. By promoting your app, you can reach a large base of engaged customers– to date, there have been more than 200 millio… --- ## [How do I get help with the Creators API?](https://community.amazondeveloper.com/t/how-do-i-get-help-with-the-creators-api/2394)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 11, 2024, 12:35am UTC](https://community.amazondeveloper.com/t/how-do-i-get-help-with-the-creators-api/2394 "2024-01-11T00:35:34Z")
App developers must apply for approval to use the Creators API (formerly the Product Advertising API (PA API)) in their app. Check out the Creators API documentation to learn more. The Creators API is managed by Amazon … --- ## [How do I change the price of my app?](https://community.amazondeveloper.com/t/how-do-i-change-the-price-of-my-app/2264)
**Author:** [@Emma](https://community.amazondeveloper.com/u/Emma)\ **Replies:** 0\ **Last updated:** [December 26, 2023, 5:52pm UTC](https://community.amazondeveloper.com/t/how-do-i-change-the-price-of-my-app/2264 "2023-12-26T17:52:19Z")
During Step 3: Add Appstore Details of the app submission process, you can choose whether your app is free or paid. By default, your app is set to Free. If you’re charging for your app, select Paid. After you select Pai… --- ## [Adding the IAP API to your App (Kotlin)](https://community.amazondeveloper.com/t/adding-the-iap-api-to-your-app-kotlin/3707)
**Author:** [@Anisha](https://community.amazondeveloper.com/u/Anisha)\ **Replies:** 0\ **Last updated:** [February 22, 2024, 1:36pm UTC](https://community.amazondeveloper.com/t/adding-the-iap-api-to-your-app-kotlin/3707 "2024-02-22T13:36:51Z")
What’s the secret to making bank from your app? Implementing the IAP API! Amazon’s IAP API allows your app to present, process, and fulfill purchases using built-in Amazon UI & modals, saving you time and development ef… [Next page](https://community.amazondeveloper.com/c/fire-apps/knowledge-base/19.md?page=1)