Costco Warehouse API returns one warehouse with address, coordinates, phone, time zone, opening date, opening hours, holiday closures and services with their own hours. A US warehouse with a gas station also returns the current regular, premium and diesel prices in USD per gallon. gas_prices is null when the warehouse has no gas station, for Canadian warehouses and when Costco shows no price. An unknown id returns 404. Costs 1 credit per successful request.
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Endpoint
Parameters
Start with the required fields, then add optional filters only when your use case needs them.
Runnable path
1 required parameter needed before sending a request.
2 optional filters available.
string
Required
Warehouse number from the warehouses route, for example 243.
1234567890
string
Optional
en-US (default), en-CA or fr-CA. Sets the language of names and hours.
en-US
boolean
Optional
true (default) adds gas prices for US warehouses with a gas station. false skips the gas lookup.
true
Response Schema
Example response fields are illustrative; inspect the JSON before integrating.
Example response fields
Scan these fields before integrating.
data
meta
success
{
"data": {
"warehouse": {
"id": "243",
"name": "Queens",
"type": "Warehouse",
"hours": [
{
"days": [
"monday",
"tuesday",
"wednesday",
"thursday",
"friday"
],
"open": "09:00",
"close": "20:30",
"label": "Business Mon-Fri",
"closed": false
},
{
"days": [
"monday",
"tuesday",
"wednesday",
"thursday",
"friday"
],
"open": "10:00",
"close": "20:30",
"label": "Mon-Fri",
"closed": false
}
],
"phone": "(718) 267-3680",
"address": {
"city": "LONG ISLAND CITY",
"line1": "3250 VERNON BLVD",
"line2": null,
"state": "NY",
"country": "US",
"postal_code": "11106-4927"
},
"distance": null,
"holidays": [
{
"date": "2026-11-26",
"name": "Thanksgiving Day",
"open": null,
"close": null,
"closed": true
}
],
"latitude": 40.76760808,
"services": [
{
"code": "food",
"name": "Food Court",
"hours": [],
"phone": "(718) 267-3681"
},
{
"code": "optical",
"name": "Optical Department",
"hours": [],
"phone": "(718) 267-5512"
},
{
"code": "gas",
"name": "Gas Station",
"hours": [],
"phone": null
}
],
"longitude": -73.93886284,
"time_zone": "America/New_York",
"gas_prices": {
"unit": "per_gallon",
"diesel": 5.899,
"premium": 5.699,
"regular": 4.959,
"currency": "USD"
},
"region_code": "NE",
"opening_date": "1996-11-20",
"distance_unit": null,
"has_gas_station": true
}
},
"meta": {
"credits": 1,
"billable": true,
"endpoint_family": "warehouse"
},
"success": true
}Errors
Handle these documented responses before retrying or showing customer-facing failures.
Validation Error
A required parameter or a value is invalid. This response is not billable.
{
"errors": {
"query": [
"A search text is required, e.g. laptop."
]
},
"message": "The request validation failed"
}Not Found
The product, item or warehouse does not exist. This response is not billable.
{
"meta": {
"billable": false,
"retryable": false,
"endpoint_family": "warehouse"
},
"error": {
"code": "NOT_FOUND",
"message": "The requested resource was not found."
},
"success": false
}Upstream Unavailable
Costco could not be reached after several tries. This response is not billable. Retry shortly.
{
"meta": {
"billable": false,
"retryable": true,
"endpoint_family": "warehouse"
},
"error": {
"code": "UPSTREAM_UNAVAILABLE",
"message": "Costco could not be reached. Please retry shortly."
},
"success": false
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