eSIM profiles, provisioned by API.

Wholesale eSIM provisioning for MVNOs, travel operators, and enterprise IoT. Over-the-air profile delivery, available through the same integration as voice, SMS, airtime and numbers.

Who uses our eSIM platform.

MVNOs

Launch or expand your MVNO with eSIM provisioning. Over-the-air profile delivery and subscriber management through one wholesale partner.

Travel operators

Offer eSIM data plans to travellers without physical SIM inventory. Profile delivery at point of booking.

Enterprise IoT

Deploy connected devices without SIM logistics. Manage profiles over the air across your device fleet.

The eSIM stack, explained.

eSIM provisioning involves several layers, from your platform to the chip in the device. Callvox provides profile provisioning through an SM-DP+ (Subscription Manager Data Preparation+) server.

Your Platform / MVNO / Device

LPA (Local Profile Assistant)

device-side

Callvox SM-DP+

profile server

eUICC

embedded SIM chip in device

Consumer eSIM profile provisioning
IoT eSIM profile provisioning
Over-the-air profile delivery
REST API integration
Profile delivery
Over-the-air (OTA), no physical shipping
API
REST API for profile orders and webhooks
Use cases
MVNOs, travel operators, enterprise IoT
Platform options
Discuss white-label requirements with our team

Integration details

Technical details are shared for your use case and integration.

Four ways to monetise eSIM.

Per-profile provisioning

Pay per eSIM profile delivered.

White-label RSP platform

A branded eSIM provisioning platform for your subscribers.

Connectivity bundling

Bundle an eSIM profile with a data plan.

IoT fleet management

Profile management and over-the-air updates for connected devices.

Add eSIM to your wholesale stack.

Provision eSIM profiles alongside voice, messaging, airtime and numbers from one wholesale partner.

Contact us