Test in Sandbox Environment
Build and test your integration safely with unlimited test transactions. Access all M2Square features without any risk.
Sandbox Features
Test Credentials & Configuration
Use these test credentials in your sandbox environment:
Sandbox API Endpoint
https://sandbox-api.m2square.xyz/v1Test API Key Format
sk_test_...Note: Test API keys start with sk_test_. Never use test keys in production. Test transactions are simulated and no real money moves.
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