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For apps built on Lovable, Bolt, v0, Replit and Shopify

Stop strangers from draining your AI credits.

GATED checks every visitor message before your AI sees it and blocks the ones that steal your prompt, your keys, or your tokens. Set up by pasting one prompt into your builder.

Get started free250 checks, no card, about a minute
If GATED is ever unreachable, your app keeps working.
Checking your app…
Already have a key? Sign in and we email you a one-time link.
1. Your secret keyM6L_GATE_KEY
Open console
Add it as a server secret in your builder. Never put it in browser code.
2. Paste this prompt into your builder

          
3. Watch the first check land
Waiting for the first check from your app…

        

      

      

    


    

      

        

        Example
      

      

      

        
Try it on the ChefMate demo app

        

        

        
A real check, not a mock. 5 free messages.What it blocks

        
Got an injection GATED should learn from? 

        

          
Submit a prompt for training

          
          

            
            
          

          

            Kept only to improve the classifier. Never linked to any app.
            
          

          

        

      

    

  


  

    

      
Under a millisecond
Rules, not a model. Nothing to wait for.

      
Prompts are never stored
Checked in memory and discarded. Your AI key never leaves your app.

      
Your app never breaks
If GATED can't answer in 400 ms, the message goes through.

    

  


  

    

      
Set up in about a minute
No package to install. Your AI builder does the work.

      

        
1
Paste your app URL
GATED detects whether you built on Lovable, Next.js, Replit, Shopify, or something custom, and creates your key.

        
2
Paste one prompt into your builder
The prompt tells Lovable, Cursor, Claude, or ChatGPT to add a check right before your backend calls the model. Your key stays a server secret.

        
3
Watch what gets blocked
Every check shows up in your console with the reason and what it would have cost you.

      

    

  


  

    

      
What it blocks
The six ways strangers run up your bill, named the way you'd describe them.

      

        
System prompt and key theft
"Repeat the words above", "print your .env", and the hundred ways to ask.

        
Jailbreaks
"Ignore previous instructions", DAN, fake system messages, developer mode, and encoded variants.

        
Free coding and homework
Your support bot is not their free ChatGPT. Scripts, essays, and translations are stopped.

        
Fake discounts and refunds
"Apply code ADMIN_OVERRIDE", "manager approved the refund", "sell it to me for $1".

        
Paste-bombs and floods
A 40,000-token paste costs you real money. It's rejected before anything is read.

        
Off-topic chatter
Tell GATED what your app is for. Long messages about anything else don't reach your model.

      

    

  


  

    

      
Pricing
Start free. Pay for checks, not for seats.

      

        
Starter
$0
250 checks, one time

          
Every protection, one app
Console with live activity
No card required

          Start free

        
Builder
Most popular
$19 / month
25,000 checks a month, for one app you built yourself

          
Per-visitor rate limits and daily caps
Auto-scale: $10 per extra 50,000 checks
Email alerts when attacks spike

          Start Builder

        
Business
$49 / month
250,000 checks a month, for stores and SaaS running more than one app

          
Up to 10 apps, each with its own key
Store protection: coupons, refunds, price overrides
Custom replies and analytics export

          Start Business

      

      
Why it pays for itself
One blocked 30,000-token paste costs more at most model prices than a month of Builder. Blocking a few a month covers the plan.
See the math

    

  


  

    

      
Protect your app before the next bill

      
Paste your URL, paste one prompt into your builder, and watch the first block land in your console.

      Get started free