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eSIM wholesale & white-label reseller guides
Straight answers for anyone selling eSIM data under their own brand: how white-label eSIM works, wholesale pricing and margins, eSIM APIs, and how Fully Signal compares with the big eSIM brands.
White-Label eSIM for Telecom Operators, MVNOs and ISPs
Telecom operators, MVNOs and ISPs can offer their subscribers a branded travel eSIM as a lower-cost alternative to roaming, without new carrier agreements. A white-label wholesale platform like Fully Signal supplies eSIM data in 210+ countries through a REST API, delivered under the operator's brand and priced by the operator.
Best eSIM for the USA: What to Sell to US-Bound Travellers
For travellers to the United States, the best eSIM is a data plan on a major US network with enough data for maps, ride-hailing and messaging — typically 5–20 GB for one to four weeks, or an unlimited plan for heavy users. Resellers should also offer a USA & Canada bundle for cross-border trips and highlight that the traveller keeps WhatsApp on their usual number.
Regional vs Country eSIM Plans: Which Should Resellers Sell?
A country eSIM covers one destination and is usually the cheapest per gigabyte; a regional eSIM covers many countries (for example Europe or Asia) with one plan, so travellers cross borders without buying again. Resellers should sell country plans for single-destination trips and regional plans for multi-country itineraries — and price regional plans on convenience.
Sandbox Testing for eSIM APIs: Build Your Integration Before You Pay
An eSIM API sandbox lets you build and test orders, top-ups and refunds with test keys and a sample catalogue, without spending money or creating real eSIMs. Fully Signal's sandbox gives every partner a test key, a €1,000 test balance, sample destinations and prices, sample orders in every eSIM state, and scenarios for hard-to-reproduce outcomes.
Fully Signal vs Yesim: Consumer eSIM App or Your Own eSIM Brand?
Yesim is a Switzerland-based consumer eSIM app for travellers. Fully Signal is a white-label wholesale platform where businesses sell eSIM data in 210+ countries under their own brand, at their own prices, through a partner panel or REST API. Yesim suits an individual traveller; Fully Signal suits a business building its own eSIM offer.
eSIM for Airlines and Online Travel Agencies: Ancillary Revenue at Booking
Airlines and online travel agencies can sell white-label eSIM data as an ancillary at checkout, in the manage-booking area and in pre-departure emails. Through Fully Signal's REST API, the eSIM for the destination is issued when the traveller pays, delivered with the confirmation, and topped up during the trip — all under the airline's or OTA's brand.
eSIM vs Physical SIM vs Pocket Wi-Fi: Which Is Best for Travellers?
For most travellers with a compatible phone, an eSIM is the best option: it's installed in minutes before departure, needs no shop visit or extra device, and keeps the home SIM active. A local physical SIM can suit long stays and phones without eSIM, while pocket Wi-Fi suits groups sharing one connection but adds a device to carry and charge.
How to Price Your eSIM Plans: A Reseller Pricing Strategy That Sells
Price eSIM plans by value, not only by cost: anchor against roaming and airport SIM prices, offer a good-better-best ladder per destination, make the middle plan the obvious choice, and price top-ups for convenience. Keep every price comfortably above your wholesale cost plus payment fees, and test.
eSIM Webhooks: Automating Order Status, Activation and Expiry
eSIM webhooks are HTTP callbacks that tell your system when something changes — an order completes, fails or is refunded, or an eSIM is activated or expires — so you don't have to poll the API. On Fully Signal each webhook is signed with HMAC-SHA256 in the X-FULLYSIGNAL-Signature header and retried automatically if your endpoint is down.
Fully Signal vs Ubigi: Which eSIM Option Fits a Travel Business?
Ubigi is a consumer and connected-device eSIM brand from Transatel, part of the NTT group, sold under the Ubigi name. Fully Signal is a white-label wholesale platform: travel businesses sell eSIM data in 210+ countries under their own brand and at their own prices. Use Ubigi as a traveller; use Fully Signal to launch your own eSIM product.
How to Install an eSIM: QR Code, One-Tap Link and Manual Setup
To install a travel eSIM, connect to Wi-Fi, then scan the QR code (Settings → Mobile/Cellular → Add eSIM on iPhone; Settings → SIMs → Add eSIM on Android) or tap the one-tap install link on the phone itself. When you land, turn on data roaming for the eSIM line and set it as your mobile-data line.
eSIM for Hotels and Hospitality: Turn Connectivity Into an Upsell
Hotels can sell white-label eSIM data to international guests before arrival or at check-in, so guests land connected and the hotel earns ancillary revenue. With Fully Signal, the eSIM is delivered under the hotel's brand by email or QR code, priced by the hotel, and ordered from the partner panel or through the booking system's API.