This study project uses VIACEP API to get address info at Brazil country filtered by the PostalCode (CEP)
SFDX side
LightningComponentBundle/mapCEP
Vlocity side
IntegrationProcedure/CEP_Consulta
FlexCard/consultaCEP
Go to the manifest/package.xml and click-right button on the file and select "SFDX: Deploy Source in Manifest to Org"
In the organization with omnistudio installed, go to the Tab Omnistudio Flexcards > Import button and select the file on vlocity/consultaCEP.json and click next until the activation step and finally activate the LWC Flexcard