Flask on Polygon

Accept USDT & USDC through Flask with settlement on Polygon. Integrate Zateway with Flask. Flask blueprints for crypto checkout APIs. Non-custodial USDT & USDC on Polygon, Solana, Base, BSC, Arbitrum, Optimism.

Steps

1. Create a Zateway account and copy your API key.
2. Connect your self-custody wallet address for Flask (Polygon) settlements.
3. Create a payment session via API, plugin, or payment link for Flask (Polygon).
4. Redirect customers to hosted checkout or embed the widget in Flask (Polygon).
5. Verify HMAC-signed webhooks and fulfill the order in Flask (Polygon).
6. Select Polygon 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: "polygon" for Flask checkout