Legacy API Migration | Red Nought Limited

A clay-style animated character with short dark hair and glasses carefully places a carved stone block onto a larger stone structure. The stones are weathered and etched with ancient geometric patterns, resembling ruins or a lost civilisation. As the block connects, faint glowing lines and points of light appear, suggesting energy, data, or transformation. Dust hangs softly in the air, and a bright, luminous structure rises in the background, blending ancient stone with futuristic light—symbolising the careful rebuilding of old systems into something new.

Building Universes from Code: Translating Intent Across Time

Series: The Journey from Legacy to Modern APIs - Part 3 Upgrading from an unsupported API to a modern one, without direct replacements, is not an act of substitution. It is an act of translation. The goal is not to recreate the old system line by line, but to preserve its intent - the behaviours, guarantees, and experiences it once provided - using a new set of laws. This requires patience. It requires restraint. And above all, it requires understanding. You begin to see the

Building Universes from Code

Tim Ellis

Dec 19, 20252 min read