Why Hand-Built JSON Falls Apart
The case for a schema layer.
The Hand-Built Habit
At first you build JSON by hand, copying each field from your model into a dict. It feels simple, and for one endpoint it really is.
return {"id": user.id, "name": user.name}Fields Multiply Fast
Add a few columns and your dict grows line by line. Soon one model means a long, fragile block of key-value pairs you must keep in sync.
All lessons in this course
- Why Hand-Built JSON Falls Apart
- Define a Schema for a Model
- Dump Objects to JSON
- Load and Validate Input Payloads