FastAPI crypto payments in Japan
Accept USDT & USDC through FastAPI for customers in Japan (JPY).
Stablecoin checkout for global Japanese SaaS. Integrate Zateway with FastAPI. FastAPI async endpoints for payment sessions. Non-custodial USDT & USDC on Polygon, Solana, Base, BSC, Arbitrum, Optimism.
- FastAPI + Zateway checkout
- Non-custodial USDT & USDC settlement
- Flat 1% fee — no monthly plan
- Local signal: Highly regulated but mature crypto market.
- Regulation: FSA licensing for exchanges.
- Currency context: JPY
FastAPI payments in Japan
Zateway helps FastAPI stores and apps teams in Japan accept USDT and USDC with non-custodial settlement. Payers check out on Polygon, Solana, Base, BSC, Arbitrum, Optimism; funds route to your wallet at a flat 1% — no monthly fee and no chargeback risk on completed on-chain payments. Local currency context: JPY.
Market context for Japan
Highly regulated but mature crypto market. FSA licensing for exchanges. Stablecoin checkout for global Japanese SaaS. Common verticals in Japan include Gaming and anime, Electronics, Automotive, E-commerce. Because settlement is non-custodial, Zateway never takes possession of merchant funds — confirmed payments move on-chain straight to the wallet you control, and the payment record stays verifiable on a block explorer.
Connect FastAPI to Zateway
1. Create a Zateway account and copy your API key. 2. Connect your self-custody wallet address for FastAPI settlements. 3. Create a payment session via API, plugin, or payment link for FastAPI. 4. Redirect customers to hosted checkout or embed the widget in FastAPI. 5. Verify HMAC-signed webhooks and fulfill the order in FastAPI.
Integration tip
POST https://zateway.com/api/v1/sessions with x-api-key — then open checkoutUrl from FastAPI.
Go live in Japan
Create a Zateway account, connect a JPY-aware operating wallet, test in sandbox, then share a payment link or API session with Japan customers. Prefer Polygon, Solana, or Base when network fees matter most.
FAQ
Can FastAPI merchants businesses in Japan accept USDT?
Yes. Zateway supports USDT and USDC on Polygon, Solana, Base, BSC, Arbitrum, Optimism for merchants serving Japan, Japan.
What does crypto payment compliance look like in Japan?
FSA licensing for exchanges. Merchants remain responsible for their own tax treatment, invoicing and reporting obligations, and should confirm local requirements with a qualified advisor before going live.
What fees apply for FastAPI checkout in Japan?
Zateway charges a flat 1% per successful crypto payment. Network/gas fees are paid on-chain by the payer or merchant depending on chain settings — there is no Zateway monthly fee.
Does Zateway hold merchant funds?
No. Settlement is non-custodial — confirmed payments go to the wallet you connect.