arcgate / marketplace
$0.001 / call 0 txs ARC TESTNET
Marketplace
API gateway for agents. Pay $0.001 USDC per call, settled onchain in under 1 second.
Playground
Make a real API call. $0.001 USDC deducted. Settled onchain via Arc in under 1 second.
Request
API
Endpoint
Agent key
Parameters (JSON)
Try: Berlin, Tokyo, New York
PAYMENT · ARC TESTNET
Cost per call$0.001 USDC
Settlement<1 second
Your balance0.000 USDC
Live log LIVE
pay-and-call
Waiting for calls…
Integration

            

          


          

            

              Recent payments
              0 txs
            

            

              
No transactions yet

            

          

        

      

    


    
    

      

        
Wallet

        
Your USDC on Arc Testnet — balance is read directly from the blockchain

      

      

        

        

          

            Transaction history
            0 records
          

          

            
◉
No transactions yet

          

        

      

    


    
    

      

        
Webhooks

        
Get notified when USDC moves onchain. HTTP POST to your endpoint within 60 seconds.

      

      

        

          

            
New subscription

            

              

                

                  
Arc address to watch

                  
                

                

                  
Your webhook URL

                  
                

                

                  
Events

                  

                    
                    
                    
                  

                

              

              
            

          


          

            
How it works

            

              

                
1
Subscribe to any Arc address

                
2
Worker polls Arc every minute via ethers.js

                
3
On new USDC transfer — POST to your URL with JSON payload

                
4
Verify authenticity with HMAC-SHA256 signature

              

            

          


          

            
Verify signature (Node.js)

            

              
import { createHmac } from 'crypto'

function verify(req, secret) {
  const sig = req.headers['x-arcgate-signature']
  const expected = 'sha256=' +
    createHmac('sha256', secret)
      .update(JSON.stringify(req.body))
      .digest('hex')
  return sig === expected
}

            

          

        


        

          

            Subscriptions
            

              0 / 10
              
            

          

          

            

              
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No subscriptions yet

              
Create one to start receiving notifications.

            

          


          

            
Payload example

            

              
{
  "event": "transfer.in",
  "network": "Arc Testnet",
  "arc_address": "0xYourAddress",
  "tx_hash": "0xabc...def",
  "from": "0x123...456",
  "amount_usdc": "0.001",
  "block_number": 12345678,
  "explorer": "https://testnet.arcscan.app/tx/0x...",
  "timestamp": "2026-03-30T12:00:00Z"
}

            

          

        

      

    


    
    

      

        

          
My APIs

          
Register your endpoint. Earn $0.001 USDC per call, settled onchain.

        

        
      

      

        

          
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Deploy your API. Agents pay $0.001 USDC per call, settled onchain on Arc.