WEBVTT

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What is the JSON data that an API sends?

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JSON is a text format used to represent and exchange structured data.

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Read the values and the structure together.
6 JSON basics.

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It represents data
JSON can describe information that another system needs to read.
Data exchange · Text representation · Structured values

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Objects use named properties
An object groups values under string property names.
Named property · Associated value · Related information

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Arrays hold ordered values
An array represents a sequence of entries.
Ordered sequence · Several entries · Related values

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Values have defined types
Strings, numbers, booleans and null are among the supported values.
Text or number · True or false · Null value

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Syntax rules still apply
JSON uses double-quoted property names and does not allow trailing commas.
Quoted property names · Correct separators · Valid syntax

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Valid syntax is one check
The receiving system also needs the expected fields and suitable values.
Expected structure · Required information · Appropriate values

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Your checklist
It represents data · Objects use named properties · Arrays hold ordered values · Values have defined types · Syntax rules still apply · Valid syntax is one check

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Check valid syntax and whether the data matches the expected structure.
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