Buy from Costco via API
Programmatically buy from Costco's online store. Access bulk products, electronics, and groceries through Zinc's API.
How the Costco integration works
Costco is America's largest membership warehouse club, known for bulk pricing on groceries, electronics, home goods, health products, and more. Zinc's Costco integration enables automated purchasing from their online catalog at warehouse club prices.
Great for businesses looking to automate bulk procurement, rewards programs that want to offer premium products at competitive prices, and platforms that serve cost-conscious consumers.
What you can build with the Costco API
Build with the Costco integration API for search, ordering, tracking, and returns.
Costco Order Placement API
Place orders with a product URL and shipping address. No checkout flows required — Zinc handles the retailer-side workflow and processes orders asynchronously.
{
"products": [
{
"url": "https://costco.com/...",
"quantity": 1
}
],
"shipping_address": {
"first_name": "Jane",
"last_name": "Doe",
"address_line1": "123 Main St",
"city": "San Francisco",
"state": "CA",
"postal_code": "94105",
"country": "US",
"phone_number": "5551234567"
},
"max_price": 39900
}Costco Order Status API
Retrieve order details including item statuses, shipping address, and processing results. Poll to track progress from pending through to delivery.
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"status": "order_placed",
"max_price": 39900,
"items": [
{
"url": "https://costco.com/...",
"quantity": 1,
"status": "shipped"
}
],
"tracking_numbers": [
{
"carrier": "ups",
"tracking_number": "1Z999AA10123456784",
"created_at": "2026-01-15T14:30:00Z"
}
],
"created_at": "2026-01-15T10:00:00Z"
}Costco Shipment Tracking
Tracking numbers are automatically extracted from retailer shipping notifications and returned in the order response. Supports UPS, FedEx, USPS, Amazon Logistics, and DHL.
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"status": "order_placed",
"tracking_numbers": [
{
"carrier": "ups",
"tracking_number": "1Z999AA10123456784",
"created_at": "2026-01-15T14:30:00Z"
},
{
"carrier": "amazon",
"tracking_number": "TBA123456789000",
"created_at": "2026-01-16T09:15:00Z"
}
]
}Costco Managed Accounts
Use Zinc-managed checkout accounts or bring your own retailer credentials. Managed accounts handle login, 2FA, and payment automatically — no account setup required.
{
"credentials": [
{
"short_id": "zn_acct_a1b2c3d4",
"email": "orders@example.com",
"retailer": "costco",
"has_totp": true,
"has_forwarding": true
}
],
"total": 1
}Costco Integration FAQ
You can search products, place orders, track shipments, and handle returns through a single Zinc API integration for Costco.
No. Zinc handles the retailer-side ordering workflow so your app can place orders directly via API calls.
Yes. You can fetch tracking status through the API and subscribe to webhook events for shipping and delivery updates.
Create an account, get your API key, and follow the Zinc API docs to send your first search or order request.