Grubhub · Schema

ClientData

Client metadata associated with a delivery.

Food DeliveryRestaurantMarketplaceOnline OrderingPoint-of-SaleLogisticsLast Mile DeliveryMenu ManagementHospitalityLocal CommerceDelivery

Properties

Name	Type	Description
external_id	string	A stored correlation id that isn't used by Grubhub's platform.
external_merchant_id	string	A client-provided merchant identifier.
external_source	string	The external source API from which the delivery came from.
reference_number	string	An external delivery identifier that is used by Grubhub's platform for display purposes.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/grubhub/main/json-schema/grubhub-clientdata-schema.json",
  "title": "ClientData",
  "x-generated": "2026-09-17",
  "x-method": "derived",
  "x-source": "openapi/grubhub-connect-endpoints-openapi.yml#/components/schemas/ClientData",
  "type": "object",
  "properties": {
    "external_id": {
      "maxLength": 128,
      "minLength": 0,
      "type": "string",
      "description": "A stored correlation id that isn't used by Grubhub's platform.",
      "example": "ABC123"
    },
    "external_merchant_id": {
      "maxLength": 128,
      "minLength": 0,
      "type": "string",
      "description": "A client-provided merchant identifier.",
      "example": "MERCHANT_123"
    },
    "external_source": {
      "maxLength": 128,
      "minLength": 0,
      "type": "string",
      "description": "The external source API from which the delivery came from.",
      "example": "RELAY_123"
    },
    "reference_number": {
      "type": "string",
      "description": "An external delivery identifier that is used by Grubhub's platform for display purposes.",
      "example": "123XYZ4567ABC890"
    }
  },
  "description": "Client metadata associated with a delivery."
}

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