How to change or update the credit card for your GMass subscription

If you’ve previously subscribed to a paid GMass plan, at some point you may need to change or update the credit card associated with your account. This is how you do it.

1. Compose a new email in Gmail and set the To field to

2. Type anything you wish for the Subject and Message.

3. Click the main GMass button. Do not click the Gmail Send button.

4. You’ll then get a link at the top of your screen to change your credit card. Click that link. You’ll be taken to a web page with a button to enter your new credit card.

17 Replies to “How to change or update the credit card for your GMass subscription”

  1. katherine dudley

    You have stated that my email address cannot be found but I am still being charged. I have attempted to cancel my subscription several times. Please contact me asap.

  2. Joey Alongi

    according to your server I am currently a paid member of gmass however I am still unable to send mass emails to any more then 50 recipients, the main purpose of having gmass to begin with.

  3. Brittanae

    I have been charged twice now without authorization and despite my multiple attempts to reach you and cancel. Please advise ASAP.



    I was charged last month for two GMass subscriptions that I thought I cancelled last month. For the three emails that I have used GMass on, I tried to cancel again, just in case it didn’t work last month. However, I received the message “Your GMass request failed. Error details: This account is a free account, so there is no subscription to cancel.”

    I’m not sure for which emails I am being charged! Can you please help out? Thanks!

  5. istvan janosi

    I tried to unsubscribe several times during the last 8 months. My account is continuously charged. I’m afraid that I have to look for a good lawyer, if my polite and impolite requests to unsubscribe fail. If you need the dates of my letters I sent, I can specify them.

  6. Eva

    Hi. Can you please confirm my paid subscription. I paid yesterday for a one year Gsuite and have not received confirmation. thank you

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