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What API are available to promote Ubigi eSIM on my website?

What API are available to promote Ubigi eSIM on my website?


Ubigi provides many APIs to assist their affiliates to promote Ubigi services. To access these APIs, ensure that you have completed and received approval for your application. When you’re ready, you can request the specific API you require by submitting your request here. ​
Send a request for APIs here: affiliates@ubigi.com

Frequently Asked Questions
About the Ubigi Affiliate Program

What is the difference between the Ubigi Affiliate Program and the Ubigi Roamer Program? What is the difference between the Ubigi Affiliate Program and the Ubigi Partner Solutions? What is the purpose of connecting to the Kwanko platform when joining the Ubigi Affiliate Program? What media assets are provided to assist affiliates in promoting Ubigi eSIM on their websites? What commission can a Ubigi Affiliate earn? Does it cost anything to be a Ubigi affiliate? ​How to get your Ubigi Affiliate Program application approved quickly? What does it mean to be an Ubigi affiliate? ​How to join the Ubigi Affiliate Program? What is the Ubigi Affiliate Program? 

Have more questions? We'd love to help!
Please contact us at affiliates@ubigi.com

Are you a good fit to the Ubigi Affiliate Program?

eSIM
Prepaid Plans
Price Comparators
Run a website dedicated to comparing the prices of eSIM data packages.
Online
Travel
Magazines
Manage a media site dedicated to travel that provides inspiration and information to
international travelers.
Travel &
Hospitality
Website
Operate a website dedicated to travel and/or hotel bookings, ticket price comparisons, travel offers, holiday packages, etc.
Travel Bloggers
& Content
Creator
Maintain a blog with an audience interested in travel and/or mobile device technology like eSIM.
Great Trustpilot stars Trustpilot
Trustpilot stars
Based on 29481 reviews on Trustpilot
5 stars Verified
Verified review
This user has been identified as a buyer
good prepare
How to prepare before trip, was good explained, so that I could start to use eSim just after arrival.
Maki, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Got the BestAsia eSim for Japan and South Korea
Got the BestAsia eSim for Japan and South Korea, easy to buy and activated on the day without any hassle. Worked fantastic and notifications before data was exhausted. Will surely recommend, value for money as well.
Imran Shaikh, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Great e-sim
Everything I needed during my Japan trip, coverage was great.
Milan, 07 Dec 2025
4 stars Verified
Verified review
This user has been identified as a buyer
Easy to use
Easy to use, and it works!
Gustav, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Its was very good 👍
Its was very good 👍
customer, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Amazing price and great network…
Amazing price and great network coverage. Well done !!
customer, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
The best
Vert good expérience. Perfect
Ali, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Works perfectly, using it for a second time in Japan.
Works perfectly, using it for a second time in Japan.
Ta Kz, 07 Dec 2025
4 stars Verified
Verified review
This user has been identified as a buyer
The only eSIM I could find for New Caledonia
Works very well
Ilya Isakovich, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Great Service with No Issues
We did not experience any issues while in Japan. Additionally, the cost was very reasonable and easy to obtain.
Shelley, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Super for a travel to Japan
Super for a travel to Japan ! We always had a good connection. We have activated the e-sim before our arrival and when arriving it was working well. For a month of travel, I think the 21Go is too much because all hotels had a wifi and we only used the data to use Google Maps
Mme PAL Emeline, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Worked perfectly!
Worked perfectly! Never had an issue with maps, websites, or my park apps for Universal and Disneyland loading or processing reservations. I will definitely use again on my next trip to Japan, and I will absolutely recommend Ubigi to everyone I know who is traveling as well.
Heidi, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Ease of purchase and activation
Ease of purchase and activation
Rafael Talmon, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
ease of setting up
Ease of installation and getting connected.
customer, 07 Dec 2025
5 stars Verified
Verified review
This user has been identified as a buyer
Would use again
Used Ubigi in Japan and it worked absolutely amazing! It was fairly straightforward to buy and install. I chose the unlimited one and don’t have any complaints at all. No dead spots in Tokyo, Kyoto, and Osaka. Only had a slow connection problem in Nara when it rained heavily (but everyone else’s connection through different Esims, even the local WiFi was the same so can’t really pin that on Ubigi). Was also able to use Tiktok no problem when we were out and about since Ubigi routes locally. Absolutely will use again!
First time customer, 07 Dec 2025
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How to check if a device is ready for eSIM?
Check eSIM compatibility

Smartphones & Cellular Tablets:

Dial (*#06#). If an EID number shows, your device supports eSIM!

Laptops (Windows 10/11):

Open your flyout (bottom-right corner). If Cellular settings are visible, your laptop supports eSIM!

Check Carrier Unlock

On iOS:

Go to Settings > General > About, scroll to Carrier Lock. If it says "No SIM restrictions", your device is unlocked!

On Android:

Go to Settings > Network & Internet > Mobile Network, turn off Auto network selection. If you see multiple available networks, your device is unlocked! If only one appears, or you get an error, it may be locked.

You already have an eSIM in your cart.

Each order can only include one eSIM data plan.

If you choose to add a new one, the current plan will be removed. What would you like to do?