Number type

The number type is used for validating integer and float values.

{
  "type": "number"
}

Validation keywords

The following keywords are supported by the number type, and evaluated in the presented order. All keywords are optional.

minimum

A number is valid against this keyword if is greater than, or equal to, the value of this keyword. Value of this keyword must be a number (integer or float).

{
  "type": "number",
  "minimum": 10.5
}

exclusiveMinimum

A number is valid against this keyword if is strictly greater than the value of this keyword. Value of this keyword must be a number (integer or float) or a boolean. If this keyword holds a boolean, then the minimum keyword is required and is used as reference for comparison.

{
  "type": "number",
  "exclusiveMinimum": 10.5
}

{
  "type": "number",
  "minimum": 10.5,
  "exclusiveMinimum": true
}

maximum

A number is valid against this keyword if is lower than, or equal to, the value of this keyword. Value of this keyword must be a number (integer or float).

{
  "type": "number",
  "maximum": 10.5
}

exclusiveMaximum

A number is valid against this keyword if is strictly lower than the value of this keyword. Value of this keyword must be a number (integer or float) or a boolean. If this keyword holds a boolean, then the maximum keyword is required and is used as reference for comparison.

{
  "type": "number",
  "exclusiveMaximum": 10.5
}

{
  "type": "number",
  "maximum": 10.5,
  "exclusiveMaximum": true
}

multipleOf

A number is valid against this keyword if the division between the number and the the value of this keyword results in an integer. Value of this keyword must be a strictly positive number (zero is not allowed).

{
  "type": "number",
  "multipleOf": 0.5
}