base-sugar

Small Base app — connect wallet, mint on Sepolia testnet. Pushed to Vercel.

What it does: wallet connect (Coinbase / MetaMask / Rainbow), show address + balance, one mint button on Base Sepolia.

Run locally

Copy .env.local.example to .env.local and fill in:

• NEXT_PUBLIC_CDP_API_KEY — from Coinbase Developer Portal (OnchainKit)
• NEXT_PUBLIC_WC_PROJECT_ID — from WalletConnect Cloud, create a project and grab the id

Then:

npm i
npm run dev

http://localhost:3000

Deploy (Vercel)

Push the repo to GitHub, import in Vercel, add the two env vars in project settings. Vercel sets the URL for you. If you use a custom domain, set NEXT_PUBLIC_URL too.

• Base
• OnchainKit

MIT