Mellon Foundation

As of October 3, 2023, users will be prompted to set up and/or sign in with Multi-Factor Authentication (MFA) to access the grants portal.

Login Now:

If you already have an account, please enter your username and password to the left and click Sign in. You may log in at any time to submit proposals, manage active grants, submit reports or modification requests, and access other grant-related information. If you wish to discuss a new proposal idea, please contact a program officer directly or submit a new letter of inquiry in the Fluxx portal.

If you need assistance accessing your account or are a new contact for a current grantee, please email fluxxusers@mellon.org or call (212) 500-2484 during business hours (9:00 a.m. - 5:30 p.m. EST).


If you do not have an account, please review the Foundation's programs, strategies, and grantmaking processes on our website. To submit a funding inquiry, please click the button below.

Submit New Inquiry


If you have a staff account, click Sign in with SSO below.

Sign in with SSO


Using the Portal
For an optimal experience, please download and use Google Chrome. If you need assistance with the portal, please email fluxxusers@mellon.org or call (212) 500-2484 during business hours (9:00 a.m. - 5:30 p.m. EST).

Use of this grants portal is subject to the Foundation's Privacy Policy and the Grants Portal Fluxx Terms of Use, located at the bottom of the Grantmaking Policies page (and under the Related Links section). Please read these documents carefully before using the portal. By accessing or using the portal, you hereby agree to be bound by the Privacy Policy and Grantee Portal Terms of Use.