You can use this call to directly invalidate a retail item sold in the system. You receive the return value directly as a JSON object.
Example:
`/api?token=xyz&call=checkItem&barcode=124xyz-2-5`
You can use this call to directly invalidate a retail item sold in the system. You receive the return value directly as a JSON object.
Example:
`/api?token=xyz&call=checkItem&barcode=124xyz-2-5`