API Key Management
Authenticate your backend servers to provision eSIMs and manage top-ups programmatically.
Generate New API Key Pair
Active API Credentials
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How to Authenticate API Requests
Include both X-B2B-Key and X-B2B-Secret headers with every HTTP request:
GET /api/b2b/v1/plans?country=US HTTP/1.1
Host: connectmeguru.com
X-B2B-Key: cmg_live_01824ab78c9d...
X-B2B-Secret: cmg_sec_d819fa091bc7...
Content-Type: application/json