Location payment methods validation rules for accepted payment types and configuration requirements

Change Detection

CountOfPaymentMethodsIncreased

Definition	Severity	API	Sample	Mode
Validate that the count of paymentMethods values in latest submittal is less than or matches the count in the store record

SuspiciousRemovalOfPaymentMethods

Definition	Severity	API	Sample	Mode
Validate that paymentMethods is present when previously submitted

Payment Methods

PaymentMethodsListMustNotIncludeNulls

Definition	Severity	API	Sample	Mode
Validate that a list does not include null

PaymentMethodsMustNotBeEmptyArray

Definition	Severity	API	Sample	Mode
Validate that paymentMethods is not an empty array

Example Validation Report

{
  "code": "VALIDATION__PaymentMethodsMustNotBeEmptyArray",
  "message": "'{{field}}' must be omitted or contain at least one element; empty arrays are not allowed.",
  "severity": "VIOLATION",
  "context": {
    "field": "paymentMethods"
  },
  "details": {
    "compared": [],
    "expected": [],
    "submitted": [
      {
        "field": "$.locationDetails.paymentMethods",
        "value": "[]"
      }
    ],
    "createdDate": "2026-03-03T13:58:43.946Z"
  }
}

PaymentMethodsMustBeDistinct

Definition	Severity	API	Sample	Mode
Validate that each paymentMethods value is distinct

PaymentMethodsMustBeValid

Definition	Severity	API	Sample	Mode
Validate that each paymentMethods value is valid			Link

PaymentMethodsMustNotBeEmpty

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