Hello,
Here's a copy of the chat transcript you requested:

Initial Question: Hello :) I'm getting a message that my "prime student membership" is suspended because amazon can't charge me the membership fee.

I'm trying to update my payment method to the card ending in 2708. However amazon is not able to charge me through this card.

I have just contacted the bank and they told me that there is nothing wrong on their side. What should I do? Thanks :D

11:41 AM PST Sridhar(Amazon): Hello, my name is Sridhar. I'm here to help you today.
Hi Mina...
11:41 AM PST Mina: hello!
11:41 AM PST Sridhar: I am so sorry to hear about this issue.
11:42 AM PST Mina: No problem! What should I do? I just want to pay the 6 $
11:42 AM PST Sridhar: Let me connect you to a member of the team that will best be able to help you with this. It will only take a moment.
11:42 AM PST Prashanth(Amazon): Hello, my name is Prashanth. Please give me a moment to review the previous correspondence.
11:42 AM PST Mina: take your time!
11:43 AM PST Mina: ummm so I've just received an email right now
11:44 AM PST Mina: it says that my prime membership has been canceled?
11:44 AM PST Prashanth: Thanks for staying connected, Mina
I just canceled the membership to reactivate the membership by using your preferred payment method, Mina
11:45 AM PST Prashanth: still the charge is declined
11:45 AM PST Mina: I see. hmm I don't know what I'm doing wrong.
11:45 AM PST Prashanth: We're unable to determine why your bank declined our attempt to charge your card, Mina,
Is it possible to use another payment method ?
11:45 AM PST Mina: umm but I've just contacted the bank
11:46 AM PST Mina: they told me there's no problem on their side
...um as for another payment method
I have credit as "amazon gift cards"
is it possible to pay with those?
11:46 AM PST Prashanth: Unfortunately, gift certificates can't be used as a payment method for Prime membership, Mina
11:47 AM PST Mina: mmm I see
sigh, so do I try contacting the bank again, and tell them that there's no problem on your side?
11:47 AM PST Prashanth: A charge can fail for many reasons, here are some things to check:

- Have you entered the credit card number correctly, without any transposed digits?
- Have you entered the correct expiration date? Has the date expired?
- Have you entered the billing address and phone number that match those associated with your credit card?
- Have you exceeded your credit limit?
- Has your credit card recently been reissued with a different credit card number and/or expiration date?
11:48 AM PST Prashanth: Yes, Mina. I tried to activate your membership using your preferred payment method but unfortunately, we're unable to charge.
I'd request you to contact your bank for more information regarding this, Mina
11:48 AM PST Mina: okay I'll do that. thank you so much for your time
11:48 AM PST Prashanth: You're welcome. Is there anything else I can assist you with today?

11:49 AM PST Mina: no thank you
that is all
11:49 AM PST Prashanth: You're welcome, Mina. Thank you for contacting Amazon. Have a great day ahead :)

11:49 AM PST Mina: thanks goodbye :D
11:49 AM PST Prashanth:
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