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Schema-first responses

Define the shape, validate on arrival, and treat a schema violation as a failure rather than as something to paper over.

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This one runs on your machine rather than in the browser workbench. Work to the outcomes below, then come back and mark it complete.

You should now be able to

  • Specify a response schema and validate every response against it
  • Design a schema that constrains rather than merely describes
  • Handle a validation failure explicitly
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