Travel apps & OTAs
Embed eSIM purchasing into your booking flow. Customers buy data alongside flights or hotels without leaving your app.
eSIM API
eSIM API — Integrate Provisioning in Days
Add eSIM sales to your app, website, or platform with a single REST API. Activate data packages, deliver QR codes, and manage SIM lifecycle — without building carrier integrations yourself.
200+
Countries
€0
Monthly fees
<7d
To integrate
REST
JSON API
Bappy is OmaxTelecom's eSIM reseller API — a REST interface covering 200+ countries via the BICS Tier-1 backbone. Self-service API keys, sandbox environment, webhook notifications, and zero monthly commitment. Powered by Bappy.
Overview
What is an eSIM API?
An eSIM API lets your software activate digital SIM profiles on demand. Instead of negotiating with carriers and building provisioning infrastructure, you call a REST endpoint with a package ID and receive a QR code for your customer.
The typical flow: your customer selects a destination and data plan → your backend calls POST /esim/activate → the API returns a QR code → your customer scans it and connects. Webhooks notify you when activations complete, SIMs expire, or usage thresholds are hit.
OmaxTelecom's eSIM API is called Bappy. It covers 200+ countries with 2,968 ready-made packages, supports eSIM and physical SIM, and includes SMS messaging. Authentication is API-key based with a full sandbox for testing.
Audience
Who needs an eSIM API?
Existing storefronts
Already have a website or marketplace? Add eSIM as a product line with one API integration instead of building carrier relationships.
Agencies going digital
Travel agencies with a developer can offer eSIM upsells at checkout - automated QR delivery, no manual fulfillment.
Platform builders
Build a multi-tenant eSIM product on top of Bappy's reseller API. Full margin control, your brand, our backbone.
Compare
Bappy vs Telkor vs White-Label
Not every connectivity use case needs the same product. Here's how OmaxTelecom's three eSIM paths compare.
| Bappy (eSIM API) | Telkor (Per-MB) | White-Label Store | |
|---|---|---|---|
| Billing model | Package-based (fixed GB bundles) | Per-MB (pay-as-you-go) | Package-based (fixed GB bundles) |
| Best for | Travel resale, agencies, developers | IoT, MVNOs, fleet connectivity | Non-technical founders |
| Setup | €0 · self-service API keys | Contact for quote | €500 + €500 deposit |
| Time to launch | Under 7 days | Days to weeks | 48 hours |
| Coding required | Yes (REST API) | Yes (REST API) | No |
Need per-MB billing for IoT or MVNO? See Telkor. Want a no-code storefront? See White-Label eSIM. Full comparison: White-Label vs API.
Integration
How the API works
01
Authenticate
Get your API key from console.omaxtelecom.com. Use Bearer token auth on every request. Sandbox and production environments included.
02
Activate
POST to /bapi/api/v1/esim/activate with a package ID. Receive ICCID, status, and QR code in the JSON response.
03
Listen
Configure webhooks for sim.activated, sim.expired, sim.usage_threshold, and more. React to events in real time from your backend.
Full API reference: developer.omaxtelecom.com · Deep dive: eSIM API Guide 2026
FAQ
Frequently Asked Questions
An eSIM API is a REST interface that lets your software provision digital SIM profiles programmatically. You send an activation request with a package ID, and the API returns a QR code your customer scans to connect. Bappy is OmaxTelecom's eSIM API for resellers - covering 200+ countries with package-based plans.
A white-label store is a ready-made branded website that Omax builds and hosts for you - no coding required. An eSIM API gives you endpoints to integrate provisioning into your own app or website. You build the customer experience; the API handles activation and QR delivery. See our white-label vs API comparison for a full decision matrix.
No. Bappy is a package-based eSIM reseller API - ideal for selling fixed data bundles to travelers. Telkor is a per-megabyte connectivity platform for IoT fleets, MVNOs, and custom plan design. If you need travel eSIM resale via API, use Bappy.
Most Bappy integrations go live in under 7 days. Sign up at console.omaxtelecom.com, get sandbox credentials instantly, test with copy-paste REST examples, and switch to production when ready. Full documentation is at developer.omaxtelecom.com.
Ready to integrate your eSIM API?
Get sandbox credentials in minutes. No sales calls required.
Start with Bappy
Get a walkthrough of the eSIM API, pricing model, and integration process.
- API sandbox and test credentials
- Package pricing for your market
- Webhook and callback setup
- Live Q&A with our dev team
No credit card required · Setup in 48 hours · Cancel anytime
Prefer email? [email protected]