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The Moment support team is here to help with integration questions, account issues, and anything else you need to get up and running. Email us at support@momentco.net. When reaching out, including the following helps us resolve your issue faster:
  • Your merchant ID and environment (test or live)
  • The API endpoint and request method
  • The error message or HTTP status code received
  • The Request-Id response header value, if available

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Self-Service Resources

Before reaching out, these pages resolve the most common issues:
  • Error Codes — HTTP status codes, application error codes, and decline codes with remediation steps
  • Authentication — API key types, test vs live modes, and security practices
  • Integration Testing — Test cards and scenarios for simulating payments and errors
  • Webhook Verification — Validating event signatures and handling retries