Systems and techniques for providing a low latency gateway for an asynchronous orchestration engine using direct memory are presented. A system can directly allocate an array memory space within a first data structure for transaction data associated with transaction requests for an online transaction system. The system can sequentially store respective data threads of the transaction data into respective memory blocks of the array memory space within the first data structure. The system can also sequentially separate the memory blocks of the array memory space within the first data structure into data channels for storage in a second data structure. Furthermore, the system can respectively format data channels and convert the data channels into communication pathways for the online transaction system based on at least one serialization technique for transmission to one or more memories of a virtual machine of the online transaction system.