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How to use coupons for Zenn Spring 2026

Published: 2026.05.11 Last updated: 2026.05.11

Hello! This time, we'll explain how to use the free usage coupon for the "AmiVoice API," a speech recognition API service currently available through a campaign being run by Advanced Media on Zenn.

How to apply a free coupon for "AmiVoice API"

This section explains how to apply the coupon for "AmiVoice API".

① First, access the "AmiVoice API" homepage. AmiVoice API Homepage
On the TOP page, there is a button labeled "Start Using API for Free"("APIを無料で利用開始"), so please click it. (Refer to the image below)

② Next, the email address input screen will appear, so enter your email address and click the "Send"("送信") button. (Refer to the image below)

③ Once you register your email address, you will receive an email from AmiVoice API with the subject "User Registration Guide"("ユーザー登録ご案内").
Access the user registration form in the email body. (Refer to the image below)

Clicking the URL will take you to the registration form shown below, where you can complete your registration.

④ Upon completion of registration, the following screen is displayed. Click "Login"("ログイン") and log in to MyPage.

⑤ Click "Apply Coupon"("クーポンの適用") on the right side of MyPage.


A window for entering the coupon code will open, so please enter the coupon code published on the Zenn website.

After clicking "Apply"("適用") in the bottom right corner, you can use all AmiVoice API speech recognition engines for up to 20 hours per month during the specified campaign period.

The steps above explain how to obtain a free AmiVoice API usage coupon for this campaign.

How to log in to AmiVoice API MyPage

If you want to log in to AmiVoice API MyPage, you can do so from the top of the AmiVoice API homepage.

AmiVoice API Homepage

The face-shaped "MyPage"("マイページ") icon on the right is the entry point for logging in.

For detailed information on how to use the AmiVoice API, please refer to the documentation.

Use API for Free