Jump to Content

Home Guides API Reference Changelog API Status Help

Guides

Home Guides API Reference Changelog API Status Help

Introduction to Walmart supplier APIs
What types of APIs does Walmart offer?
How to get help

Authentication management API overview

Electronic Data Interchange (EDI) interface
824 Application Advice
846 Inventory Inquiry/Advice
850 Purchase Order
855 Purchase Order Acknowledgement
856 Ship Notice and Manifest
860 Purchase Order Change Request – Buyer Initiated
879 Unit Cost Price Information Advice
997 Functional Acknowledgement
EDI connection types

XML interfaces
XML file naming conventions
Confirmation and error interface
Inventory interface
Order interface

DSV Cost Management API overview (BETA)
Request Approval to Use Cost API

DSV Inventory Management API overview
Recent releases and planned deprecations
About bulk inventory updates

DSV Lag Time Management API overview
Recent releases and planned deprecations

DSV Order Management API overview

Introduction to the EPCIS Events APIs
Key concepts and glossary
EPCIS 1.0 Events API authentication
EPCIS 1.0 Validation
EPCIS 1.0 Events
Common EPCIS API responses

Error codes

Feed Management API overview
Feed files available
Feed status API update
How to upload feed files
Feed ID response formats
How to track feed submissions
Understanding feed statuses

Item Management API overview
Item Management API releases
Product type taxonomy overview
Bulk item setup and maintenance by product type overview
Item setup by product type feed file overview
Item maintenance by product type feed file overview
Item setup and maintenance by product type: additional information
Make bulk item submissions and track status
Item setup and maintenance implementation guide

Invoices and Payments API overview

Notifications overview
About notification events
Feed status notification event
Report status notification event

On Request Reports API overview
Report filters
DSV orders report
DSV inventory report
Invoices report
Item product content data report
Item configuration data report
Vendor-managed pricing report

Order Management API overview

Pre-Generated Reports Management API overview

Rate limiting
Bulk Feed API throttling limits
Synchronous API throttling limits

Walmart sandbox

Vendor Managed Pricing API overview

Supplier troubleshooting resources

Authentication and authorization
Required headers and requests
Supplier One and third-party app connections
Errors and status codes
Troubleshooting and support
Drop-ship vendors

Glossary

Items

Product type taxonomy overview

- What is Walmart's product taxonomy structure?
- How is product taxonomy used in item setup and maintenance?

Developer Portal

Terms and Conditions Privacy Policy

© 2026 Walmart. All rights reserved.