RepricerExpress offers a wide range of Integrations, one of them would be Walmart and it'll enable you to export your price information to their website.
You can easily access the Walmart integration via Channels > Integrations on the top blue bar in RepricerExpress, then click the 'Exports' tab.
After that, simply click on 'Walmart' and follow the instructions on screen to link your Walmart account with RepricerExpress by filling the 'API keys section' and setting up how you want your Walmart pricing to be based on your RepricerExpress pricing:
After that you can just save your integration and it'll update on Walmart every 30 minutes, 24/7.
Please note: there would be a small monthly fee involved with RepricerExpress for any integration.
The Integrations screen is currently available in BETA version only, to gain access to it please contact our Support Team.