Google Pay
Shopify
Universal Commerce Protocol (UCP) & Agentic Commerce Verification Report
{
"ucp" : {
"version" : "2026-04-08",
"services" : {
"dev.ucp.shopping" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/overview/",
"schema" : "https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json",
"version" : "2026-04-08",
"endpoint" : "https://81swmj-h2.myshopify.com/api/ucp/mcp",
"transport" : "mcp"
}, {
"spec" : "https://ucp.dev/2026-04-08/specification/overview/",
"schema" : "https://ucp.dev/2026-04-08/services/shopping/embedded.openrpc.json",
"version" : "2026-04-08",
"transport" : "embedded"
} ]
},
"capabilities" : {
"dev.shopify.catalog" : [ {
"spec" : "https://shopify.dev/docs/agents/catalog/storefront-catalog",
"schema" : "https://shopify.dev/ucp/schemas/2026-04-08/shopify_catalog.json",
"extends" : [ "dev.ucp.shopping.catalog.search", "dev.ucp.shopping.catalog.lookup" ],
"version" : "2026-04-08",
"requires" : {
"protocol" : {
"min" : "2026-04-08"
}
}
} ],
"dev.ucp.shopping.cart" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/cart",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/cart.json",
"version" : "2026-04-08"
} ],
"dev.ucp.shopping.order" : [ {
"spec" : "https://ucp.dev/2026-04-08/specs/shopping/order",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/order.json",
"version" : "2026-04-08"
} ],
"dev.ucp.shopping.checkout" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/checkout",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/checkout.json",
"version" : "2026-04-08"
} ],
"dev.ucp.shopping.discount" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/discount",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/discount.json",
"extends" : [ "dev.ucp.shopping.checkout", "dev.ucp.shopping.cart" ],
"version" : "2026-04-08",
"requires" : {
"protocol" : {
"min" : "2026-04-08"
}
}
} ],
"dev.ucp.shopping.fulfillment" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/fulfillment",
"config" : {
"allows_multi_destination" : {
"shipping" : false
},
"allows_method_combinations" : [ [ "shipping" ] ]
},
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/fulfillment.json",
"extends" : [ "dev.ucp.shopping.checkout", "dev.ucp.shopping.cart" ],
"version" : "2026-04-08",
"requires" : {
"protocol" : {
"min" : "2026-04-08"
}
}
} ],
"dev.ucp.shopping.catalog.lookup" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/catalog",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/catalog_lookup.json",
"version" : "2026-04-08"
} ],
"dev.ucp.shopping.catalog.search" : [ {
"spec" : "https://ucp.dev/2026-04-08/specification/catalog",
"schema" : "https://ucp.dev/2026-04-08/schemas/shopping/catalog_search.json",
"version" : "2026-04-08"
} ]
},
"payment_handlers" : {
"com.google.pay" : [ {
"id" : "gpay",
"spec" : "https://pay.google.com/gp/p/ucp/2026-01-11/",
"config" : {
"api_version" : 2,
"merchant_info" : {
"auth_jwt" : "",
"merchant_id" : "16708973830884969730",
"merchant_name" : "SaltWorks",
"merchant_origin" : "seasalt.com"
},
"api_version_minor" : 0,
"allowed_payment_methods" : [ {
"type" : "CARD",
"parameters" : {
"allowed_auth_methods" : [ "PAN_ONLY", "CRYPTOGRAM_3DS" ],
"allowed_card_networks" : [ "VISA", "MASTERCARD", "AMEX", "DISCOVER" ],
"billing_address_required" : true,
"billing_address_parameters" : {
"format" : "FULL",
"phone_number_required" : false
}
},
"tokenization_specification" : {
"type" : "PAYMENT_GATEWAY",
"parameters" : {
"gateway" : "shopify",
"gatewayMerchantId" : "64080216153"
}
}
} ]
},
"schema" : "https://pay.google.com/gp/p/ucp/2026-01-11/schemas/config.json",
"version" : "2026-01-11"
} ],
"dev.shopify.card" : [ {
"id" : "shopify.card",
"spec" : "https://ucp.dev/specification/payment-handler-guide",
"config" : {
"payment_methods" : [ {
"type" : "card",
"enabled_card_brands" : [ "visa", "master", "american_express", "discover", "diners_club" ]
} ]
},
"schema" : "https://shopify.dev/ucp/card-payment-handler/2026-01-15/config.json",
"version" : "2026-01-15"
} ],
"dev.shopify.shop_pay" : [ {
"id" : "shop_pay",
"spec" : "https://shopify.dev/ucp/shop-pay-handler/2026-04-08/spec.md",
"config" : {
"shop_id" : "64080216153"
},
"schema" : "https://shopify.dev/ucp/shop-pay-handler/2026-04-08/schema.json",
"version" : "2026-04-08"
} ]
},
"supported_versions" : {
"2026-01-23" : "https://81swmj-h2.myshopify.com/.well-known/ucp/2026-01-23",
"2026-04-08" : "https://81swmj-h2.myshopify.com/.well-known/ucp/2026-04-08"
}
}
}