Issues in the Client Area or your online store can hurt customers' ability to purchase your products or access their purchased services.
WHMCS recommends several options to help you stop spam orders, and includes support for reCAPTCHA, banning email domains, and more.
Captchas help you prevent bots from placing orders, creating accounts, or logging in to your Client Area. WHMCS includes several captcha types, including a default verification code captcha and options with enhanced protection from Google® reCAPTCHA and hCaptcha.
WHMCS's default captcha option displays an image with six characters on a striped background. This option does not require additional configuration or an additional account with a captcha service.
Enable hCaptcha or Invisible hCaptcha as your captcha type in WHMCS. hCaptcha offers checkbox-based and invisible captcha options to help you prevent bots from placing orders, creating accounts, or logging in to your Client Area or Admin Area. Before enabling hCaptcha or Invisible hCaptcha in WHMCS, you must configure it in your hCaptcha account.
Enable reCAPTCHA v3 as your captcha type in WHMCS. reCAPTCHA v3 is an invisible captcha type that can help you prevent bots from placing orders, creating accounts, or logging in to your Client Area or Admin Area. Before enabling reCAPTCHA v3 in WHMCS, you must configure it in your Google® account.
Troubleshoot and resolve Google reCAPTCHA Invalid Site Key errors.