Showcase start date validation rules for format, presence, lead time requirements, and time component constraints

Start Date

MustProvideSufficientLeadTime

Definition	Severity	API	Sample	Mode
Validates that the quantity of days prior to a Showcase's start date is greater than minimum (3 days)			Link

StartDateMustHaveValidFormat

Definition	Severity	API	Sample	Mode
Validate that startDate formatting is valid

StartDateMustBePresent

Definition	Severity	API	Sample	Mode
Validate that startDate is present			Link

StartDateMustNotBeEmpty

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

StartDateMustNotMatchEndDate

Definition	Severity	API	Sample	Mode
Validate that startDate does not match endDate

StartDateTimeComponentMustBeZero

Definition	Severity	API	Sample	Mode
Validate that the time component is T00:00:00.000, T00:00:00 or T00:00

Example Validation Report

{
  "code": "VALIDATION__StartDateTimeComponentMustBeZero",
  "severity": "VIOLATION",
  "message": "Time component in '{{startDate}}' must be zero (T00:00:00.000, T00:00:00 or T00:00) with UTC (Z) or timezone offset",
  "context": {
    "value": "2026-05-10T23:59:59.00Z"
  },
  "details": {
    "createdDate": "2026-02-10T11:36:02.00Z",
    "submitted": [
      {
        "field": "$.showcaseDetailsDetails.startDate",
        "value": "2026-05-10T00:01:01.00Z"
      }
    ],
    "compared": [],
    "expected": []
  }
}