MERCHANT API • BETA v2.4
Build with the
Flecible API
Integrate eSIM provisioning, billing, voucher issuance and subscriber management directly into your product. REST-based, JSON responses, production-ready.
OAuth 2.0 & API Keys
Sub-100ms latency
99.98% uptime SLA
Real-time Webhooks
24.7K ↑
API calls this month
98.2%
Success rate
67ms
Avg response time
+18%
24,731
Total API Calls (30d)
+32%
1,847
eSIMs Provisioned
-4%
437
Errors (4xx / 5xx)
+24%
$8,240
Revenue via API
API Keys
Keep your keys secure — never expose them in client-side code
Production Key
Live
Secret Key
flx_live_••••••••••••••••••••••••••••
Publishable Key
flx_live_pk_MnV5qGhKxPcAw2dL8sEjZb1oCiYuTf6
Test / Sandbox Key
Test
Secret Key
flx_test_••••••••••••••••••••••••••••
Publishable Key
flx_test_pk_4ZyXwVuTsRqPoNmLkJiHgFeDbCa9876
API Endpoints
Click an endpoint to see code examples
Code Example
POST /v2/esims/provision
Webhooks
Real-time event notifications
Recent Requests
Live request log
| Method | Path | Status | Latency | Time |
|---|
SDK Quickstart
Official libraries with TypeScript support, auto-retry and error handling
Rate Limits & Quotas
Limits reset every 60 seconds. Upgrade for higher throughput.