REST API
OpenAPI 3.1, idempotent orders, separate sandbox and production keys.
API reference →REST API · MCP · Sandbox in minutes
Sell eSIM data under your brand. One API.
Order eSIMs, run package activation and get install kits in 180+ countries. Each eSIM lands in your own account and is paid from your prepaid balance.
Free sandbox with test credit after a one-click NDA. No card needed.
curl https://sandbox.globalcell.dev/v1/orders \
-H "Authorization: Bearer $GC_KEY" \
-H "Idempotency-Key: ord_8f2a1c" \
-d '{"type":"new_esim",
"sku":"ro-5gb-30d",
"currency":"EUR",
"paymentMethod":"balance"}'
# 201 Created
{ "status": "completed",
"installKit": { "qr": "…", "ios": "…", "android": "…" },
"balance": { "currency": "EUR", "left": "184.20" } }
180+
countries
6
regional plans
1,381
data packages
EUR · USDT
prepaid balance
Three ways to integrate
Pick the one that fits your stack. All three use the same account, balance and catalogue.
MCP for AI agents
Let your assistant search coverage, quote and order eSIMs with the same key and balance.
MCP guide →Switch provider, keep your code
Already integrated elsewhere? Compatible API profiles: change the base URL and the key.
See compatible APIs →From sign-up to live in four steps
- 01
Sign up and accept the NDA
Company, contact, use case. One click.
- 02
Get your sandbox key
Full catalogue, test credit, real test eSIMs.
- 03
Sign the partner agreement
Wholesale prices and terms agreed with you.
- 04
Go live
Production key, your own account, prepaid balance in EUR or USDT.
Built for production
The same platform runs our own shops. You get the controls a payments-grade API should have.
- Sandbox and production on separate hosts and keys
- Idempotency keys on every order
- IP allow-list per production keysoon
- Low-balance alerts before service stopssoon
- Usage and package notifications by webhooksoon
- Prepaid balance in EUR or USDT
Start building today
Wholesale pricing on request, after sign-up.