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MoneyTransfer: Transaction ID Format Change

ยท 9 min read
Flip Technical Team
Technical Documentation Team

Action Required by December 8, 2025

A quick reminder that the new 19-digit Money Transfer Transaction ID format will go live on December 8, 2025 - approximately 1.5 months from now.


๐Ÿงช Test the New Format Now!โ€‹

We've created an interactive simulator to help you test and prepare for the new 19-digit ID format:

๐Ÿ‘‰ Access MT ID Simulator

  • โœ… Test API endpoints with 19-digit IDs
  • โœ… Send test callbacks to your webhook
  • โœ… Validate your data type compatibility
  • โœ… Get code examples for your integration

What's Changingโ€‹

The Money Transfer (Disbursement) transaction ID response format is being updated from Integer to BigInteger (19-digit format).