It has been observed many times that Venmo Payment app users when a payment is sent get a little bit off. It could be any reason like improper network or anything and you want to cancel Venmo payment.You don't need to be worried about it. As customer service is there to assist you in any situation. All you need is to dial the phone number to get in touch with the support team. So, dial the phone number and get your Venmo payment cancelled.