backend · Arbitrum
Flask on Arbitrum
Accept USDT & USDC through Flask with settlement on Arbitrum. Integrate Zateway with Flask. Flask blueprints for crypto checkout APIs. Non-custodial USDT & USDC on Polygon, Solana, Base, BSC, Arbitrum, Optimism.
Steps
- Create a Zateway account and copy your API key.
- Connect your self-custody wallet address for Flask (Arbitrum) settlements.
- Create a payment session via API, plugin, or payment link for Flask (Arbitrum).
- Redirect customers to hosted checkout or embed the widget in Flask (Arbitrum).
- Verify HMAC-signed webhooks and fulfill the order in Flask (Arbitrum).
- Select Arbitrum when creating the payment session for lowest surprise fees.
POST https://zateway.com/api/v1/sessions with x-api-key — then open checkoutUrl from Flask. // Prefer chain: "arbitrum" for Flask checkout