Integrations
Signup checks for your stack.
Copy-paste signup checks for your framework or auth provider.
- Block fake signups in Next.jsScreen signups in a Next.js App Router server action or route handler, with the visitor's real IP and a fail-open timeout.→
- Signup checks in Express (Node.js)Express middleware that screens signups by email, IP and phone, with trust-proxy setup and a fail-open timeout.→
- Signup checks in DjangoValidate signups in a Django form's clean() method, including the client IP behind a proxy and a fail-open timeout.→
- Signup checks in FastAPIAn async FastAPI dependency that screens signups with httpx, reads the client IP correctly, and fails open.→
- Signup checks in Ruby on RailsA small Rails service object and controller check using Net::HTTP, with request.remote_ip and a fail-open timeout.→
- Signup checks in LaravelA Laravel validation rule that rejects throwaway and fake signups using the HTTP client, with a fail-open timeout.→
- Block fake signups in Auth0 (pre-registration Action)An Auth0 pre-user-registration Action that screens the email and IP of every new signup and denies throwaway and bot registrations.→
- Block fake signups in Firebase AuthenticationA Firebase blocking function (beforeUserCreated) that rejects throwaway and bot signups before the account exists.→
- Screen Clerk signups with a webhookCheck every new Clerk user with a user.created webhook, and ban or flag throwaway and bot accounts automatically.→
- Block fake signups with Supabase AuthScreen signups in a Supabase Edge Function before calling auth.signUp, so throwaway and bot accounts never get created.→
- Signup and lead checks in n8n, Zapier and MakeCheck emails, phones and signups from no-code automations with a single HTTP request step, and route leads by verdict.→