Sell travel data under your own brand.
Your customer buys from you, hears from you and comes back to you. Num is the part they do not need to know about: the eSIM itself, issued in one API call.
What carries your brand
- Your checkout and your price. The API returns the eSIM to your system; where and how you sell it is entirely yours.
- The email your customer receives. Pass their address on the order and Num sends the eSIM with your brand name as the sender name and the heading, with replies going to your support address.
- Your own pages, if you prefer to deliver it yourself: every order returns a hosted QR image and install links you can place in your own confirmation screen.
What to know before you promise it
- The brand name in the email is text. Custom logos and your own HTML templates are not supported yet; if you need those, deliver the eSIM from your own system using the QR image we return.
- The email footer says the service is provided by Num. It does not carry Num marketing or links to our app.
- On the phone, the eSIM is labelled by the network it connects to, which is outside anyone's control.
Why this is less work than it sounds
- There is no eSIM platform to license and no carrier to integrate. It is an HTTP API with bearer keys.
- The QR code, the install links and the customer email are produced for you. A first version is two endpoints.
- You can build and review the whole thing in a free sandbox, including a preview of the branded email, before any commercial conversation.
Common questions
Will my customer see the Num name?
Only in the footer of the eSIM email, as the provider of the service. The sender name, the heading and the reply address are yours. If you deliver the eSIM from your own system, they do not see it at all.
Can we use our own logo and email design?
Not in the email Num sends, which uses your brand name as text. For full control, send the email yourself and include the QR image link the API returns.
Can we use our own domain for the API?
The API is served from numesim.uk. It is called from your server, never from your customer's browser, so your customers do not see the address.
Try it before you talk to anyone
The sandbox is yours the moment you sign up: $100 of test credit, demo eSIMs, the full API. Live access and pricing are a short conversation once you have seen it work.
Also see: Travel agencies · eSIM resellers