How do I know if I have a M-Pay account? CSMgr.8686 Updated April 23, 2017 10:34 Follow M-Pay is activated by default on all mobile phone, however, you may need to configure your M-Pay account via "My e-Services" at www.proximus.be. Business accounts are excluded for M-Pay. Please contact Proximus Customer Support if you are in doubt. Related articles How do I configure my M-Pay account? What is Proximus M-Pay? I got a message that said: "Sorry, your payment failed. No charges were made." Changing the Mobile Number on Facebook Payment Panel How come I still can’t transact with Boku after I have activated my M-Pay account? Comments 0 comments Article is closed for comments.