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Erowid Center
PO Box 1116
Grass Valley CA 95945

A 501(c)(3) Non-Profit
Tax ID: 20-3256212
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Make a Periodic Pledge
With a Credit or Bank Card
Periodic pledges are important to Erowid as they let us rely on regular contributions from supporters. If you are able to make a periodic pledge, please enter below the details of the pledge you'd like to make. Once you've selected pledge details below, the charges will be made automatically to your credit or bank card (Visa, Mastercard, or Discover)

Note: Pledges can be cancelled at any time simply by contacting Erowid.

  1. Amount
  2. Enter the $ value you would like to give each time a charge is made ($5 minimum).


  3. Interval
  4. The interval determines how often charges will be made to your card.

  5. Duration
  6. Please enter below the duration of the periodic pledge you would like to make. Please make sure that the duration allows for at least 3 charges. Indefinite pledges can be cancelled at any time by contacting us.