Stamps.com Charged me for monthly service which I never "committed to" on the web page. El Segundo, California

Hi Lawrence,
 
Stamps.com appreciates your feedback, and apologizes for any misunderstanding.  In your comment, you mentioned that you started to sign up for the service but then never created an account.  Our system is not engineered to create accounts without prior initiation from our customers and during our multi-step registration process, all prospective customers will see the following text (This text appears on the page called Postage Account Credit Card Authentication, before an account has been created):
 
Why do you need my credit card information? 
Your credit card is required by the USPS to set up your USPS postage account.  Your credit card will not be charged unless you buy additional postage or Stamps.com products, or if you continue past the NO-RISK 4-week trial period. 
 
We provide and disclose terms that we do expect all potential customers to read, review, and agree to before they create their accounts.  Accounts cannot be created without customers indicating that they have read the terms by clicking on the I Agree box. 
 
Once the account is created, Stamps.com follows up immediately with a Welcome E-mail that reiterates this process.  We also ask customers interested in our service to read the Service Agreement and the information contained in their Welcome E-mail.
 
We apologize for any frustration caused and would be happy to further review your account. Could you e-mail us your full name, phone number and further details of your Stamps.com experience to social@stamps.com?
 
Sincerely,
Divya
Stamps.com