Thank you for choosing to participate in JSTOR or Portico, services of the not-for-profit organization ITHAKA. We are happy to make available the following three payment options. If you have any questions regarding payment, please contact Accounts Receivable at 212-358-6487 or

Payment Options

Option 1 - Check
To pay by check please, make the check payable to “ITHAKA” or “JSTOR” or "Portico" and mail it to our bank lockbox at:

General Post Office
P.O. Box 419654
Boston, MA 02241-9654

Please make sure to include your Customer ID number and Invoice number with your check.

Option 2 - Wire Transfer
To pay by wire transfer, please use the following information:

Recipient: Please use the name on your invoice. Examples: Ithaka Harbors, Inc (or ITHAKA), JSTOR, Portico, Ithaka S+R.

Bank Name: Bank of America

Bank Address: One Bryant Park
                        New York, NY 10036

Deposit ABA #: 026009593 (for ACH use # 021000322)


Account #: 483043639929

Please include your Customer ID number and Invoice number with your information. Your institution is responsible for all bank fees associated with the transfer, so please do not charge the fees to ITHAKA/JSTOR/Portico. We must receive the full amount of the invoice.

Option 3 - Credit Card
ITHAKA is committed to adhering to the laws and best business practices governing personally identifying and other sensitive information. Thus, ITHAKA does not accept payment card information directly, including via email, fax or telephone. All payments may be made through this page. Please contact if you have any questions. If you have any questions regarding payment, please email or call 212-358-6487.

Please note that the Invoice Number and Customer ID can be found in the top right corner of your invoice.

After you complete the following form, you will be redirected to our hosted Institutional Invoice Payment page to complete your payment. Please ensure that you are using your institutional credit card. 

NOTE: If you do not complete the payment form below within 15 minutes of the page loading, you will need to refresh the page before submitting the form.