JSON Schema validation in Postman - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the type of the property in JSON Schema.

Postman

{
  "type": "object",
  "properties": {
    "name": { "type": "[1]" }
  }
}

Drag options to blanks, or click blank then click option'

Astring

Bnumber

Cboolean

Darray

Attempts:

3 left

💡 Hint

Common Mistakes

Using number or boolean type for text properties.

Leaving the type undefined.

The type keyword defines the data type of the property. Here, name should be a string.

2fill in blank

medium

Complete the code to require the property in JSON Schema.

Postman

{
  "type": "object",
  "properties": {
    "age": { "type": "number" }
  },
  "[1]": ["age"]
}

Drag options to blanks, or click blank then click option'

Adefinitions

Boptional

Cproperties

Drequired

Attempts:

3 left

💡 Hint

Common Mistakes

Using optional instead of required.

Placing required properties inside properties incorrectly.

The required keyword lists properties that must be present in the JSON object.

3fill in blank

hard

Fix the error in the JSON Schema to correctly validate an array of strings.

Postman

{
  "type": "array",
  "items": { "type": "[1]" }
}

Drag options to blanks, or click blank then click option'

Aobject

Bnumber

Cstring

Dboolean

Attempts:

3 left

💡 Hint

Common Mistakes

Using object or number instead of string.

Omitting the items keyword.

The items keyword defines the type of elements inside the array. Here, elements should be strings.

4fill in blank

hard

Fill both blanks to define a property with a minimum length of 5 characters.

Postman

{
  "type": "object",
  "properties": {
    "username": {
      "type": "string",
      "[1]": 5,
      "[2]": 10
    }
  }
}

Drag options to blanks, or click blank then click option'

AminLength

BmaxLength

Cminimum

Dmaximum

Attempts:

3 left

💡 Hint

Common Mistakes

Using minimum or maximum which are for numbers, not strings.

Swapping minLength and maxLength.

minLength sets the minimum number of characters, and maxLength sets the maximum number of characters for a string.

5fill in blank

hard

Fill all three blanks to define a property that must be an integer between 1 and 100 inclusive.

Postman

{
  "type": "object",
  "properties": {
    "score": {
      "type": "[1]",
      "[2]": 1,
      "[3]": 100
    }
  },
  "required": ["score"]
}

Drag options to blanks, or click blank then click option'

Ainteger

Bminimum

Cmaximum

Dnumber

Attempts:

3 left

💡 Hint

Common Mistakes

Using number instead of integer.

Swapping minimum and maximum values.

The type is integer for whole numbers. minimum and maximum set the allowed range.