Start Building

Bus User's Guides and Virtual Flatsats are both freely available.

Self serve: no contracts, NDAs, or paperwork required.

Test Like You Fly.

You can begin integrating your payload with the Apex spacecraft bus using the Virtual Flatsat, Bus Emulator, and other off-the-shelf development tools. These developer tools can be configured to any Apex bus configuration, letting you test and develop payload interfaces early, iteratively, and with high confidence."

User’s Guide & Flatsat

User's Guide

Overview of Apex satellite bus models, payload interfaces, environments, flatsat, and other development resources.

Apex Virtual Flatsat™

Software-only flatsat can be downloaded free of charge. Emulate any Apex bus model and configuration package.

Bus Emulator™

Looking to test your payload against flight-representative physical interfaces? The Bus Emulator includes available payload digital interfaces (Ethernet, RS422/485, LVDS, etc.), the available payload power/discrete indicators, and flight-like data interface connections.

*Optional, Available for Purchase

Mechanical Interface

Validates mechanical fit check to payload interface plate and provides standard Apex bolt pattern

*Optional, Available for Purchase

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