Merchant API
John Doe
Premium Traveler
JD
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
Created: Oct 12, 2025 Last used: 2 mins ago Calls: 24.7K
Test / Sandbox Key Test
Secret Key
flx_test_••••••••••••••••••••••••••••
Publishable Key
flx_test_pk_4ZyXwVuTsRqPoNmLkJiHgFeDbCa9876
Created: Oct 12, 2025 Last used: 1 hour ago Calls: 3.2K
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.