Showcase creative content validation rules for descriptions, locale requirements, placement types, and text constraints

Contents

ContentsMustBePresent

Definition	Severity	API	Sample	Mode
Validates that contents is present			Link

Descriptions

DescriptionsMustBePresent

Definition	Severity	API	Sample	Mode
Validates that descriptions is present			Link

DescriptionsAndPhotoLocaleShouldMatch

Preconditions
Photo captions are present

Definition	Severity	API	Sample	Mode
Validate that at least one (1) Descriptions locale matches locale in captions			Link

HeadlineDescriptionsTextMatchesBodyDescriptionsText

Preconditions
HEADLINE descriptions locale matches BODY descriptions locale

Definition	Severity	API	Sample	Mode
Validate that HEADLINE descriptions text does not match BODY descriptions text

Example Validation Report

{
  "code": "VALIDATION__HeadlineDescriptionsTextMatchesBodyDescriptionsText",
  "severity": "VIOLATION",
  "message": "`HEADLINE` descriptions `text` matches `BODY` descriptions `text`",
  "details": {
    "createdDate": "2026-12-01T21:00:59.865Z",
    "submitted": [
      {
        "field": "$.showcaseCreativeDetails.contents[0].descriptions[0].text",
        "value": "Happy New Year!"
      },
      {
        "field": "$.showcaseCreativeDetails.contents[1].descriptions[0].text",
        "value": "Happy New Year!"
      }
    ],
    "compared": [],
    "expected": []
  }
}

Locale

DescriptionsLocaleMustBePresent

Definition	Severity	API	Sample	Mode
Validate that locale is present			Link

DescriptionsLocaleMustBeValid

Definition	Severity	API	Sample	Mode
Validate that locale is valid			Link

DescriptionsLocaleMustNotBeEmpty

Definition	Severity	API	Sample	Mode
Validate that locale is not an empty string

BodyDescriptionsLocaleMustBeDistinct

Definition	Severity	API	Sample	Mode
Validate that each locale is distinct

HeadlineDescriptionsLocaleMustBeDistinct

Definition	Severity	API	Sample	Mode
Validate that each locale is distinct

Placement

ContentsPlacementMustBePresent

Definition	Severity	API	Sample	Mode
Validates that placement is present			Link

ContentsPlacementBodyMustBePresent

Definition	Severity	API	Sample	Mode
Validates that BODY Placement is present			Link

ContentsPlacementHeadlineMustBePresent

Definition	Severity	API	Sample	Mode
Validates that HEADLINE Placement is present			Link

ContentsPlacementMustNotBeEmpty

Definition	Severity	API	Sample	Mode
Validate that placement is not an empty string

MustHaveExactlyOnePlacementBody

Definition	Severity	API	Sample	Mode
Validate that exactly one (1) BODY Placement is present

MustHaveExactlyOnePlacementHeadline

Definition	Severity	API	Sample	Mode
Validate that exactly one (1) HEADLINE Placement is present

PlacementTypesMustBePresent

Definition	Severity	API	Sample	Mode
Validates that both BODY and HEADLINE placement types are present

Text

ContentsDescriptionsTextHasUnsupportedCharacter

Definition	Severity	API	Sample	Mode
Validate that text does not include an unsupported character			Link

DescriptionsTextMustBePresent

Definition	Severity	API	Sample	Mode
Validate that text is present			Link

DescriptionsTextMustNotBeEmpty

Definition	Severity	API	Sample	Mode
Validate that text is not an empty string

DescriptionsTextMustNotBeEntirelyNumeric

Definition	Severity	API	Sample	Mode
Validate that the text value is not entirely numeric

DescriptionsBodyTextMustNotExceedMaximum

Definition	Severity	API	Sample	Mode
Validate that text length does not exceed a maximum value (100)

DescriptionsHeadlineTextMustNotExceedMaximum

Definition	Severity	API	Sample	Mode
Validate that text length does not exceed a maximum value (38)

DescriptionsTextMustExceedMinimum

Definition	Severity	API	Sample	Mode
Validate that text length exceeds a minimum value (5)

DescriptionsTextMustNotIncludeVulgarWord

Definition	Severity	API	Sample	Mode
Validate that text does not include a vulgar word

DescriptionsTextMustNotIncludeUrl

Definition	Severity	API	Sample	Mode
Validate that text does not include a URL			Link

DescriptionsTextShouldNotMatch

Definition	Severity	API	Sample	Mode
Validate that text does not match among different locale values

DescriptionsText_SuspectedUnintentionalSequentialWordRepetition

Definition	Severity	API	Sample	Mode
Validate that text does not include an unintentional repetitive sequence of words

DescriptionsLocaleAmongDifferentPlacementsMustMatch

Definition	Severity	API	Sample	Mode
Validate that each Descriptions locale, listed under one Placement is matched by a Descriptions locale under each other Placement			Link