Checkouts

Expand your earning potential by offering a range of payment options, tapping into the rapidly growing crypto and stablecoin user base

Checkout Pages

Create payment links that lead to fully customizable and responsive hosted checkout pages.

Whitelabel API

Take full control of the payment process within your own application codebase (optionally).

Invoices

Generate formal invoices for completed checkouts, tailored for both you and your customers.

Bank Payouts

Initiate fund transfers to your SWIFT, SEPA, or PIX bank accounts immediately.

Demo Checkout

Integrate Whalestack checkouts alongside traditional payment gateways or as standalone solution

Item	Amount
PCI Graphics Card	199.00 EUR
Loyalty Discount	(10.00 EUR)
Shipping and Handling (Non-Taxable)	10.00 EUR
Sales Tax (23 %)	43.47 EUR
Total	242.47 EUR

Click to try a checkout...

Commercial Benefits

Increase profitability at your online business

Maximize growth with a flexible payment platform that empowers you to lower costs, increase sales, and adapt quickly.

Capture More Revenue

Offer varied payment options to tap into crypto and stablecoin users, a rapidly growing market segment.

Expand Customer Base

Cater to a wider audience by integrating cryptocurrencies and stablecoins into your payment system.

Improve Cash Flow

Leverage fast transaction times, instant settlements and payouts, and avoid chargebacks to bolster your financial stability.

Reduce Cost of Payments

Achieve a substantial reduction in transaction fees of up to 85% compared to traditional payment methods.

Designed for Developers

Accelerate development with our robust, user-friendly payment APIs

Slash your engineering timelines as we seamlessly handle the intricacies of diverse blockchains and banking networks, empowering you to craft checkouts, dispatch e-invoices, and manage global transactions with ease.

Read the Docs

{
   "charge":{
      "customerId":"716dad4c5e5f",
      "billingCurrency":"EUR",
      "lineItems":[
         {
            "description":"PCI Graphics Card",
            "netAmount":169.00,
            "quantity":1
         }
      ],
      "shippingCostItems":[],
      "taxItems":[],
      "discountItems":[]
   },
   "paymentCurrencies":["BTC","USDC","EURC","LTC","XLM"],
   "settlementCurrency":"USD", // or EUR, BTC, BRL, etc.
   "webhook":"url-on-your-server"
}

More APIs...

Enhance your Tech Stack with Whalestack

PHP Whalestack SDK for PHP on GitHub

NodeJS Whalestack SDK for NodeJS on GitHub

Ruby Whalestack SDK for Ruby on GitHub

Add cryptocurrencies and stablecoins to your payment accruals. Manage blockchain wallets on Bitcoin, Lightning, Stellar, and more. Link SWIFT, SEPA, and other bank accounts for on- and off-ramping. Swap seamlessly between crypto, stablecoins, and fiat money. Transfer funds to blockchain wallets or your bank accounts.

Assets and Networks

Integrate the most relevant, trusted, and robust crypto and stablecoin assets. Effortlessly exchange and transfer from and to your bank accounts

Bitcoin

Lightning Sats

Litecoin

Stellar Lumens

SWIFT

SEPA

Brazilian PIX

USDC

EURC

BRL Coin

Bitcoin

Lightning

Litecoin

Stellar Network

Ethereum

List Assets

E-Commerce Integrations

Streamline your online store with our optimized components for the leading E-Commerce platforms

Seamlessly merge Whalestack plugins with your E-Commerce checkout, introducing next-gen blockchain efficiency and unmatched security. Position your store at the forefront of digital commerce, delivering an unparalleled payment experience.

Key Benefits

Capitalize on the advantages of the Whalestack payment solution

Integrate our crypto payment gateway to expand your customer base and increase revenue. Optimize conversion rates, boost shopping cart values, and enhance profit margins with innovative payment methods. Enjoy global reach and multilingual support, providing a user-friendly shopping experience.

Compliant Accounting

Benefit from exportable financial reports and accurate recording of cryptocurrency transactions in your base currency for enhanced financial transparency.

Risk Protection

Eliminate chargebacks entirely and profit from robust measures to shield your enterprise from the inherent fluctuations in cryptocurrency values, thereby ensuring an effective mitigation of financial risks.

Built-in Automation

Automate with webhooks and programmatically trigger actions based on lifecycle events like checkouts, deposits, transfers, swaps, and refunds.

Auditable Transactions

Efficiently gather and securely retain payment information across various payment methods, with the capability to seamlessly export this data at your convenience.

Brand Connect

Infuse your Whalestack checkout experience with your unique identity effortlessly with Brand Connect

Whether it's your distinct logo, thematic images, or a UI tailored to your brand's aesthetics, Brand Connect ensures your checkout pages feel like an organic extension of your platform. Choose between hosting on whalestack.com or deploy on your own domain with our straightforward docker container setup.

Brand Connect

Product Checkouts

Integrate fully customizable crypto and stablecoin checkouts with bank transfers and self-custody

Checkouts

Expand your earning potential by offering a range of payment options, tapping into the rapidly growing crypto and stablecoin user base

Checkout Pages

Whitelabel API

Invoices

Bank Payouts

See Also

Account Statements

Automatic Asset-Exchange

Real-Time Monitoring

Self-Custody Piping

Demo Checkout

Integrate Whalestack checkouts alongside traditional payment gateways or as standalone solution

Click to try a checkout...

Commercial Benefits

Increase profitability at your online business

Maximize growth with a flexible payment platform that empowers you to lower costs, increase sales, and adapt quickly.

Capture More Revenue

Expand Customer Base

Improve Cash Flow

Reduce Cost of Payments

Designed for Developers

Accelerate development with our robust, user-friendly payment APIs

Enhance your Tech Stack with Whalestack

Assets and Networks

Integrate the most relevant, trusted, and robust crypto and stablecoin assets. Effortlessly exchange and transfer from and to your bank accounts

E-Commerce Integrations

Streamline your online store with our optimized components for the leading E-Commerce platforms

Seamlessly merge Whalestack plugins with your E-Commerce checkout, introducing next-gen blockchain efficiency and unmatched security. Position your store at the forefront of digital commerce, delivering an unparalleled payment experience.

Key Benefits

Capitalize on the advantages of the Whalestack payment solution

Integrate our crypto payment gateway to expand your customer base and increase revenue. Optimize conversion rates, boost shopping cart values, and enhance profit margins with innovative payment methods. Enjoy global reach and multilingual support, providing a user-friendly shopping experience.

Compliant Accounting

Risk Protection

Built-in Automation

Auditable Transactions

Brand Connect

Infuse your Whalestack checkout experience with your unique identity effortlessly with Brand Connect

Checkout Process

Elevate your online business with Whalestack's dynamic checkout process, designed to drive customer satisfaction and boost your sales

Try the #1 payment processor for cryptocurrencies and stablecoins.