Validation Tools

email: Validate email address

string

required

Email address to validate.

boolean

default:"false"

Allow display name format (e.g., John <john@example.com>).

Example request:

{ "email": "jane.doe@company.com" }

Example response:

{
  "valid": true,
  "input": "jane.doe@company.com"
}

url: Validate URL

string

required

URL to validate.

string[]

default:"[\"http\", \"https\"]"

Allowed protocols.

boolean

default:"true"

Require a protocol prefix.

Example request:

{ "url": "https://api.example.com/v2/users?page=1", "requireProtocol": true }

Example response:

{
  "valid": true,
  "input": "https://api.example.com/v2/users?page=1"
}

phone: Validate phone number

string

required

Phone number to validate.

string

Locale (e.g., en-US).

boolean

default:"false"

Strict validation.

Example request:

{ "phone": "+14155552671", "locale": "en-US" }

Example response:

{
  "valid": true,
  "input": "+14155552671"
}

credit-card: Validate credit card number

string

required

Card number.

Example request:

{ "number": "4111111111111111" }

Example response:

{
  "valid": true,
  "input": "4111111111111111"
}

ip: Validate IP address

string

required

IP address to validate.

string

default:"any"

IP version: 4, 6, or any.

Example request:

{ "ip": "192.168.1.100", "version": "4" }

Example response:

{
  "valid": true,
  "input": "192.168.1.100",
  "version": 4
}

uuid: Validate UUID

string

required

UUID to validate.

string

default:"any"

UUID version: 1, 2, 3, 4, 5, or any.

Example request:

{ "uuid": "not-a-uuid-string", "version": "4" }

Example response:

{
  "valid": false,
  "input": "not-a-uuid-string"
}

json: Validate JSON

string

required

String to validate.

Example request:

{ "json": "{\"name\": \"Alice\", \"age\": 30}" }

Example response:

{
  "valid": true,
  "error": null
}

iso-date: Validate ISO 8601 date

string

required

Date string to validate.

boolean

default:"false"

Strict ISO 8601 validation.

Example request:

{ "date": "2025-06-15T14:30:00Z", "strict": true }

Example response:

{
  "valid": true,
  "input": "2025-06-15T14:30:00Z",
  "parsed": "2025-06-15T14:30:00.000Z"
}

alphanumeric: Check alphanumeric

Check if text contains only letters and numbers.

string

required

Text to check.

string

default:"en-US"

Locale.

Example request:

{ "text": "Order123ABC" }

Example response:

{
  "valid": true,
  "input": "Order123ABC"
}

numeric: Check numeric

Check if text contains only numbers.

string

required

Text to check.

boolean

default:"false"

Disallow +, -, and ..

Example request:

{ "text": "12345", "noSymbols": true }

Example response:

{
  "valid": true,
  "input": "12345"
}

hex-color: Validate hex colour

string

required

Colour code to validate (e.g., #FF8F28).

Example request:

{ "color": "#FF8F28" }

Example response:

{
  "valid": true,
  "input": "#FF8F28"
}

mac-address: Validate MAC address

string

required

MAC address to validate.

boolean

default:"false"

Allow MAC addresses without separators.

Example request:

{ "mac": "00:1A:2B:3C:4D:5E" }

Example response:

{
  "valid": true,
  "input": "00:1A:2B:3C:4D:5E"
}

slug: Validate URL slug

string

required

Slug to validate.

Example request:

{ "slug": "my-blog-post-title" }

Example response:

{
  "valid": true,
  "input": "my-blog-post-title"
}

password-strength: Check password strength

string

required

Password to check.

number

default:"8"

Minimum length.

number

default:"1"

Minimum lowercase characters.

number

default:"1"

Minimum uppercase characters.

number

default:"1"

Minimum numeric characters.

number

default:"0"

Minimum symbol characters.

Example request:

{ "password": "MyP@ss1", "minLength": 8, "minSymbols": 1 }

Example response:

{
  "strong": false,
  "checks": {
    "length": false,
    "lowercase": true,
    "uppercase": true,
    "numbers": true,
    "symbols": true
  }
}

is-empty: Check if empty

string

required

Text to check.

boolean

default:"true"

Treat whitespace-only as empty.

Example request:

{ "text": "   ", "ignoreWhitespace": true }

Example response:

{
  "empty": true,
  "length": 3
}

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