Is there a way to post cash and check transactions to square account using API? https://squareup.com/help/us/en/article/5177-accept-cash-checks-and-other-tender
Yes! You can use our Register API to track your cash or other tender payments, but just as with the Square Register App these are only for tracking purposes and Square never actually processes the payments.
Kelly,
Thanks for your reply. I was interested in specifics of API. Which API I can use to post external generated payments? There is no post on the Payments for external payments.
Happy to take over for Kelly here. Have you already had a chance to look over these resources?
Square Community