You can edit your information directly from the Taptap Send app. Open the Menu and select "Account" then edit what is needed in the section "Personal info".
Note that the option to directly change your personal information will be disabled once you have verified your account. Please contact our Support team if you need assistance.
To contact us, click the Menu icon on the top left and select “Help and Feedback”. You can also send us an email at firstname.lastname@example.org