Coupang

Coupang Open API

The Coupang Open API is a RESTful seller (vendor) API for managing the full marketplace lifecycle including product catalog creation, order processing, return and cancellation handling, settlement queries, and customer inquiries. Authentication uses HMAC-signed Authorization headers with an X-Requested-By header issued from the WING seller portal.

GitHub

Documentation

📖
Documentation
https://developers.coupangcorp.com/
📖
GettingStarted
https://developers.coupangcorp.com/hc/en-us/articles/360033917473-Coupang-OPEN-API

Other Resources

🔗
TestGuide
https://developers.coupangcorp.com/hc/en-us/articles/360033988873-OPEN-API-Test-Guide
🔗
ProductAPI
https://developers.coupangcorp.com/hc/en-us/sections/360004260614-Product-API
🔗
ReturnAPI
https://developers.coupangcorp.com/hc/en-us/sections/360004302273-Return-API
🔗
SettlementAPI
https://developers.coupangcorp.com/hc/en-us/articles/360034152213-Settlement-Detail-Query
🔗
ProductListingGuide
https://developers.coupangcorp.com/hc/en-us/articles/360034889893-OPEN-API-Product-Listing-Guide
🔗
FAQ
https://developers.coupangcorp.com/hc/en-us/categories/360001818893-FAQs
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/coupang/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
name: Coupang Open API
description: The Coupang Open API is a RESTful seller (vendor) API for managing the full marketplace lifecycle
  including product catalog creation, order processing, return and cancellation handling, settlement queries,
  and customer inquiries. Authentication uses HMAC-signed Authorization headers with an X-Requested-By
  header issued from the WING seller portal.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
humanURL: https://developers.coupangcorp.com/
baseURL: https://api-gateway.coupang.com
tags:
- HMAC
- Marketplace
- OpenAPI
- Order
- Product
- REST
- Sellers
- Vendors
tags_raw:
- HMAC
- Marketplace
- Open API
- Orders
- Products
- REST
- Sellers
- Vendors
properties:
- type: Documentation
  url: https://developers.coupangcorp.com/
- type: GettingStarted
  url: https://developers.coupangcorp.com/hc/en-us/articles/360033917473-Coupang-OPEN-API
- type: TestGuide
  url: https://developers.coupangcorp.com/hc/en-us/articles/360033988873-OPEN-API-Test-Guide
- type: ProductAPI
  url: https://developers.coupangcorp.com/hc/en-us/sections/360004260614-Product-API
- type: ReturnAPI
  url: https://developers.coupangcorp.com/hc/en-us/sections/360004302273-Return-API
- type: SettlementAPI
  url: https://developers.coupangcorp.com/hc/en-us/articles/360034152213-Settlement-Detail-Query
- type: ProductListingGuide
  url: https://developers.coupangcorp.com/hc/en-us/articles/360034889893-OPEN-API-Product-Listing-Guide
- type: FAQ
  url: https://developers.coupangcorp.com/hc/en-us/categories/360001818893-FAQs
features:
- name: HMAC Authentication
  description: Requests are signed using HMAC-SHA256 with the Open API key issued from WING.
- name: Vendor-Scoped Endpoints
  description: All operations are scoped to a vendor ID issued by Coupang.
- name: Full Marketplace Lifecycle
  description: Product catalog, order processing, returns, cancellations, settlements, and inquiries.
useCases:
- name: Seller Inventory Sync
  description: Synchronize SKUs and inventory between an external commerce platform and Coupang.
- name: Order Fulfillment Automation
  description: Pull new orders, push shipping confirmations, and manage cancellations and returns.
- name: Settlement Reconciliation
  description: Pull settlement histories for finance and accounting reconciliation.
contact:
- type: Support
  url: https://developers.coupangcorp.com/hc/en-us