| I’m open-sourcing OpenTX, a production-grade payment gateway and canonical transaction protocol designed to modernize legacy ISO 8583 payment systems for cloud-native architectures. GitHub: https://github.com/krish567366/OpenTX Stack: Go, Protocol Buffers, Kafka, OpenTelemetry
License: MIT OpenTX provides a strongly-typed canonical transaction layer between legacy card networks and modern APIs, allowing fintech teams to decouple application logic from network-specific ISO 8583 formats. Most payment teams still integrate directly with brittle, tightly-coupled ISO 8583 implementations. OpenTX introduces a standardized, versioned transaction model with bidirectional mapping, exactly-once semantics, message-level security, and built-in observability. This is relevant for: Fintech and payments startups Infrastructure and developer tools teams Multi-network aggregation platforms Companies modernizing legacy financial rails Feedback and contributions from founders and infra engineers are welcome. |