Overview

Onchain Ramp enables direct stablecoin transactions between wallets and local African currencies. Perfect for DApps and Web3 applications that need seamless fiat on/off ramps.

Features

• Multi-Chain Support: CELO, Optimism, Base, and more

• Low Network Fees: Starting from $0.01 per transaction

• Wallet Integration: Native support for MetaMask and others

• Custom Flow Support: Build your own wallet experience

• Multiple Stablecoins: USDC, CUSD, USDT support

• Instant Processing: Fast settlement times

Integration Steps

1. Build URL

   const params = new URLSearchParams({
     key: "CSHRMP-PUBK_xxx",
     paymentType: "deposit",
     coin: "USDC",
     network: "CELO",
     amount: "100",
     redirectUrl: "https://your-app.com/callback",
   });
   
   const url = `https://useaccrue.com/hosted/ramp?${params}`;

2. Handle Wallet

   // Option 1 (Default)
   window.ethereum;
   
   // Option 2: Custom wallet flow
   window.addEventListener("message", (event) => {
     if (
       event.origin === "https://useaccrue.com" &&
       event.data.type === "crypto.requested"
     ) {
       const { amountUsd, destination } = event.data.payload;
       // Trigger your wallet flow
     }
   });

3. Confirm Transaction

   mutation {
     confirmTransaction(
       paymentRequest: "request_id"
       transactionHash: "0x123..."
     )
   }

Common Use Cases

Industry	Implementation
DApps	Native wallet integration
DEX	Fiat on/off ramps
NFT Marketplaces	Direct purchases
Web3 Games	In-game transactions