Notices – Open API

[Notice] Coupang Open API Developer Portal Renewal

Hello, this is the Coupang Open API Team.We are pleased to announce that the Coupang Open API Developer Portal will be renewed to provide an improved developer experience.■ Key Improvements- Access... See more

Product Information Policy Update – Mandatory Brand, GTIN/Model Number, and Purchase Option Fields (Published on May 21, 2026)

Hello, this is Coupang.To provide customers with more accurate product information and improve product visibility for sellers, Coupang is updating its product information policy.According to the Co... See more

Clarification on Product Identifier (GTIN/Model Number) Requirement and Scope(Published on May 27, 2026)

Hello, this is Coupang.We’ve received many inquiries regarding the product identification number (barcode/model number) input policy, so we would like to provide additional guidance.The requirement... See more

Open API Update: Brand, Unique ID (MPN or GTIN), and Category-Based Required Purchase Option Attribute Requirement with the Introduction of New Brand APIs (Published on May 28, 2026)

Dear Developer Partners,We would like to inform you of an important update regarding Brand, Unique ID (MPN or GTIN), and category-based required purchase option attributes in the Coupang Open API.T... See more

Open API Update – Auto Pricing Support （May 22nd, 2026)

Dear Developer Partners, We have added auto pricing support across multiple Open APIs. Updates 1)Create / Modify Product API New field: items.autoPricingInfo (minSalePrice, active) Only appli... See more

Optimization and Adjustment of Open API Rate Limit(Effective March 17th,2026)

Dear developers,To provide a more stable and efficient system environment, Coupang will soon implement a unified optimization of our Open API rate limit rules. As platform business volume continues... See more

Notification Regarding the Removal of the BuyerEmail Field from the API resposnes of Customer Inquiry Query by Product(Effective March 15th, 2026

Hello, this is Coupang.To protect customer privacy, Coupang will remove the buyerEmail field from the resposnes the Customer Inquiry by Product API on March 15, 2026.Customer Inquiry Query by Produ... See more

[Notice] Mandatory Purchase Option Entry and API Specification Changes (Effective Feb 2, 2026)

Hello, this is Coupang.In accordance with existing product information policies, the attributes requested by Coupang are mandatory requirements for sellers. To provide customers with a better shopp... See more

Notification Regarding New Order API Return Parameters (December 5, 2025)

Update DetailsDue to business requirements, we have added return content to four order query-related APIs. Update ContentWe have added two new return parameters, "isCod" and "extraProperties": isCo... See more

Notice of changes of developer portal and 24 apis's internationalization (June 26, 2025)

Hello, this is Coupang.We will share updates on developer portal and format changes of 24 apis such as Currency, Date/Time, Phone number due to internationalization work.The previous version of th... See more

Additional information on bundled product items in the product product creation API (December 5, 2024)

Hello, This is Coupang.I am sharing the updates to make it easier to register the mixed-component product registration with OpenAPI. Application Date: December 6, 2024 Target API: Product creation... See more

[Update]The length of shipmentBoxId value will be changed to 18 digits. (October 30, 2024)

Hello. This is Coupang.Starting November 12, 2024, the length of shipmentBoxId value in the shipping API will be changed to 18 digits. This change is to provide a stable service, and sellers are r... See more

Rocket Growth Product Creation/Management API Doc Update (Oct 31, 2024)

From October 31, 2024, Rocket Growth product API and category API will be provided to make it easier to create and manage Coupang Rocket Growth products. If you have not yet integrated Coupang Ope... See more

[Update] Notice on changes to all category purchase options (September 27, 2024)

Hello. This is Coupang. We would like to inform you that the implementation date of the change in the inputtable purchase options (attributes) of the product creation API, which was notified throug... See more

New Schema to be Deployed for Product Query API, in querying Rocket Growth/Hybrid Products (September 19th, 2024)

Starting from September 24, 2024, responses will be generated for Rocket Growth-only products or hybrid products operated for both seller delivery and Rocket Growth options, through the product Que... See more

Notice on changes to all category purchase options (Sepember 9, 2024)

Hello. This is Coupang. Coupang is continuously working to improve the shopping experience, and the input purchase options (attributes) of the product creation API will be changed from October 10, ... See more

Notice on changes to beverage category purchase options (August 30, 2024)

Information on providing a secure phone number for the exchange request list inquiry API (August 23, 2024)

For the protection of personal information, the real number provided in the exchange request list inquiry will be replaced with a secure number. A secure number related to recovery will be issued a... See more

Changed orderer email to empty value ("") in purchase order and query of coupang contact center inquiries API response (August 6, 2024)

For security reasons, the orderer email value in the purchase order and query of coupang contact center inquiries API response is changed to an empty value (""). API to change : PO list query (p... See more

Changed the order quantity display method for automatic generation option orders in the purchase order API (April 12, 2024)

When an order for an auto-generation option product occurs, the registered/exposed product name and order quantity information displayed in the purchase order API are changed and provided to improv... See more

Notice on changes to the maximum number of characters allowed for displayProductName (March 27, 2024)

From April 3, 2024, the maximum number of characters allowed for displayProductName of the product creation API will be changed from 150 characters to 100 characters to improve the shopping experie... See more

Request to correct incorrect VendorId (vendor code) when calling OpenAPI (March 21, 2024)

When using OpenAPI, a large number of errors (404) are occurring due to incorrect VendorId (vendor code) input.We request improvement to enter the correct VendorId (vendor code) value. If errors c... See more

Notice on application of Auto-generated option function (Jan 5, 2024)

The Auto-generated option function will be applied from January 8, 2024. This is a function that allows sellers to easily sell products as a bundle. This function provides new purchase quantity opt... See more

2nd notice on deletion and reissuance of OPEN API keys to apply validity period (Dec 18, 2023)

Starting from January 9, 2024, we plan to sequentially delete keys in order to apply an expiration date to the OPEN API keys you use. When deleting a key, API authentication is not possible with th... See more

Notice on strengthening OpenAPI speed limit policy (October 12, 2023)

From October 12, 2023, the rate limit policy for product-related Open APIs, which was temporarily suspended, will be gradually strengthened and applied. In particular, if you call the product crea... See more

Notice of OpenAPI SDK service discontinued

OpenAPI Java SDK supports services only until October 31, 2023. Thereafter, no updates to the SDK will be made, and programs and documents may be changed or deleted without prior notice. Please not... See more

Introduction of Open API rate limit policy

From July 10 (Mon), a rate limit policy will be introduced when calling OpenAPI to provide stable service. Excessive API calls that exceed the standard are immediately blocked, so please be careful... See more

Changes to how the Open API Key is issued

To better protect your information, we are changing the way we issue the Open API Key starting July 10, 2023. Please see here for details. See more

Please add the information on the integrator (seller tool)

In order to provide reliable and stable services, we would like to collect the information on the IP address as well as the type of API that you use when you access Coupang. The IP information that... See more

API Integration Agreement

This API integration agreement (hereinafter referred to as “Agreement”) is entered into between an API integrator (hereinafter referred to as the “Seller Tool Provider”) and Coupang Corp. (hereinaf... See more

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