How To Pay At SwissChems
SwissChems offers multiple secure payment options for ordering research-grade peptides, SARMs, nootropics, and other research compounds. All transactions are processed through verified payment channels — choose the method that works best for your region.
Pay By Card — Mastercard & Visa
Real-time Mastercard & Visa payments for US-issued credit and debit cards, processed through a secure card-processing channel.
Pay by Bank Transfer — Plaid ACH
Plaid ACH, Coinbase Crypto, Zelle, Interac and seven crypto wallets in one checkout — for the US, Canada and global wallet users.
Pay With Cryptocurrency — Bitcoin, ETH & More
Seven cryptocurrencies via NowPayments — the preferred method for international orders, with fast settlement and no reliance on banking systems.
Choose A Payment Method
Tap a method for full step-by-step instructions, fees, and troubleshooting.
Cards
Pay by Card — Mastercard & Visa for US orders. Real-time confirmation, settles fastest for US buyers.
View InstructionsWallets
Pay by Bank Transfer — Plaid ACH, Coinbase Crypto, Zelle, Interac & crypto wallets (US, Canada & global).
View InstructionsCrypto
Pay with Cryptocurrency — Bitcoin, ETH & five more. The preferred method for global orders.
View InstructionsPayment Methods At A Glance
| Method | Processor | Settlement | Region |
|---|---|---|---|
| Cards | Epayments24 / ShieldHub | Real-time | United States |
| Wallets | 4Square (Plaid, Coinbase, Zelle, Interac, wallets) | Instant–3 days | US, Canada & global wallets |
| Crypto | NowPayments | 15–60 min | Global |
Checkout Troubleshooting — Complete Your Order
Most failed checkouts are fixed by one of these. Verify the following before submitting an order.
- The “Verify You Are Human” Checkbox Is Completed. — It sits at the bottom of the checkout form — the most common reason payments silently fail.
- Age Confirmation Is Selected. — Required on every order — confirms you are 21 or older.
- Terms And Conditions Are Accepted. — The checkbox is just above Place Order.
- Interfering Browser Extensions Are Disabled. — Ad-blockers and privacy tools occasionally block the payment iframe.

Returns, Refunds & Chargebacks
The full return and refund terms live in the FAQ. Three things worth restating here so they’re visible at the payment step.
- Return Window — 7 Business Days. — Returns must be initiated within 7 business days of delivery, and the package must be unopened and sealable.
- Refund Fees — 15% + $25. — Approved refunds are subject to a 15% restocking fee per product, plus a $25 processing fee per transaction.
- Before A Chargeback — Contact Support First. — Contact support before disputing a charge with your bank. Most issues are resolved within one business day.
Frequently Asked Questions
Need More Help?
Can’t find what you need on this page? These resources cover the rest.
Overview
SwissChems supports Mastercard & Visa payments via a secure card-processing channel. Designed for researchers ordering peptides, SARMs and other compounds, this method enables real-time transaction confirmation, allowing orders to move immediately into the fulfilment queue.
Key Details
| Accepted Network | Mastercard & Visa (credit and debit) |
|---|---|
| Processor | Epayments24 / ShieldHub |
| Settlement Time | Real-time |
How To Pay
- Select The Card Option. — Choose “Mastercard & Visa Payment Via Epayments24 / ShieldHub” at checkout.
- Enter Your Card Details. — Cardholder name, card number, expiry date and CVV.
- Complete Bank Verification. — Finish any 3DS step if your bank triggers it. Don’t click Place Order twice — that risks a duplicate charge.
- Submit The Order. — On successful authorization the transaction confirms instantly and your order is processed.
Common Issues And How To Fix Them:
Need More Help?
Can’t find what you need on this page? These resources cover the rest.
Overview
The 4Square payment gateway aggregates a wide set of bank-transfer and crypto-wallet rails into a single checkout option. At the 4Square gateway you can pay via Plaid ACH, Coinbase Crypto, Zelle, Interac, or any of seven supported crypto wallets (Base Pay, MetaMask, Phantom, Rabby, Rainbow, OKX, and others via WalletConnect). 4Square fulfils your order using a digital redemption code.
Key Details
| Supported Rails | Plaid ACH, Coinbase Crypto, Zelle, Interac + seven crypto wallets |
|---|---|
| Merchant Of Record | 4Square Systems (shows on your statement) |
| Processor | 4Square |
| Settlement Time | Instant to 3 business days (depends on rail) |
| Availability | United States & Canada (crypto wallets global) |
How The 4Square Redemption Code Works
A two-party voucher model: 4Square sells you a digital redemption code, and that code is what fulfils your SwissChems order.
- You Select The 4Square Option — at SwissChems checkout.
- You’re Redirected To The 4Square Gateway — and shown the Redemption Code Secure Payment page with your available rails.
- You Choose Your Preferred Rail — (Plaid ACH, Coinbase Crypto, Zelle, Interac, or any supported crypto wallet).
- You Complete The Payment To 4Square — via your chosen rail.
- 4Square Delivers A One-time-use Redemption Code — on-screen.
- The Code Is Automatically Applied — to your SwissChems order, completing fulfilment.
No transfer memo, manual reconciliation, or extra steps are required from the buyer’s side. Once payment to 4Square clears, redemption is automatic.
How To Pay
- Select The 4Square Option. — Choose “Plaid ACH, Zelle For USA & Interac For Canada — 4Square” at SwissChems checkout.
- Open The 4Square Gateway. — You’re redirected to the “Redemption Code Secure Payment” page showing your available rails.
- Choose Your Rail. — Pick the one that fits your region and account: Plaid ACH, Coinbase Crypto, Zelle, Interac, or a crypto wallet.
- Complete Payment To 4Square. — Follow your rail’s steps — bank login for Plaid, wallet QR scan for crypto, and so on.
- Return To Confirmation. — Your SwissChems order is confirmed once the redemption code is applied.
Common Issues And How To Fix Them:
Need More Help?
Can’t find what you need on this page? These resources cover the rest.
Overview
SwissChems supports cryptocurrency payments via NowPayments, a self-hosted payment processor. The preferred payment method for international research compound orders, this option offers fast settlement, global accessibility, and no reliance on banking systems.
Key Details
| Supported Assets | BTC, ETH, BCH, SOL, ZEC, TRX, DOGE (seven cryptocurrencies) |
|---|---|
| Processor | NowPayments |
| Settlement Time | 15–60 minutes on blockchain confirmation |
| Availability | Global |
How To Pay
- Select CryptoPayments. — Choose CryptoPayments at checkout.
- Pick Your Cryptocurrency. — Choose from BTC, ETH, BCH, SOL, ZEC, TRX or DOGE.
- Get The Address Or Scan The QR. — Each order has its own unique payment address.
- Send The Exact Amount. — Send the quoted amount within the 15-minute rate-lock window.
- Await Blockchain Confirmation. — Once confirmed, your order is processed automatically.
Typical end-to-end time: 15–60 minutes from selection to confirmation.
Common Issues And How To Fix Them:
Need More Help?
Can’t find what you need on this page? These resources cover the rest.

