Currently, only some sites that Phantom supports need Captcha. This will require you to use and have your captcha harvesters open. To see how to use the captcha harvester, go here.
Footsites - Captcha may be needed.
Supreme - Captcha may be needed.
Adidas - Captcha may be needed.
Mr. Porter - Captcha not required.
Finish Line - Captcha not required.
FootPatrol - Captcha is required.
YME Universe - Captcha is required.
Jimmy Jazz - Captcha not required.
City Gear - Captcha not required.*
* Subject to change at any time.