Product

Empower your business with a comprehensive toolkit for every payment need, merging traditional and blockchain transactions

Checkouts

Integrate fully customizable cryptocurrency and stablecoin checkouts with your business.

Explore

E-Invoicing

Build invoices with payment links and receive payment using your web browser or the API.

Explore

Blockchain Wallets

Connect your business to Bitcoin, Lightning, Litecoin, USDC, EURC, and Stellar.

Explore

Bank Connectivity

Link your SWIFT, SEPA, Brazilian PIX, and other bank accounts with blockchains.

Explore

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.

Solutions

Explore Whalestack for businesses like yours, providing unified and secure payment solutions for the digital age

Online Businesses and SaaS Expand your billing and payment options to crypto and stablecoins. Explore

Bitcoin Solutions for E-Commerce Companies

E-Commerce Companies Incorporate blockchain payment rails effortlessly with plugins and APIs. Explore

Bitcoin Solutions for Payment Service Providers

Payment Service Providers Provide B2B cryptocurrency and stablecoin transactions for your clients. Explore

Personal Finance Maintain personal Bitcoin, Lightning, Stellar, USDC, and other wallets. Explore

Fintechs Integrate crypto and stablecoin payment processing for future-ready fintechs. Explore

Freelancers Simplify global billing and choose payouts, whether to bank accounts or crypto. Explore

Game Developers Adopt intuitive in-game payments, player economies, and easy billing with blockchain. Explore

Bitcoin Solutions for Brick and Mortar Stores

Brick and Mortar Stores Empower your business with crypto and stablecoin in-store payments. Explore

Other Businesses

Adopt a comprehensive suite of payment tools, merging traditional and blockchain transactions. Dive into effortless crypto, stablecoin and fiat swaps, comprehensive wallet solutions, as well as versatile bank and blockchain connectivity.

Explore

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

Why Businesses choose Whalestack

Low Transaction Fees

Blockchain transactions processed by Whalestack have lower fees compared to traditional payment methods.

No Chargebacks

Once a crypto transaction is confirmed, it cannot be reversed, eliminating the risks and costs associated with chargebacks.

New Customer Base

Accepting crypto can attract a tech-savvy customer base that prefers to transact in digital currencies.

Global Reach

Cryptocurrency and stablecoin transactions are permission-less and available to anyone, anywhere in the world, even the unbanked.

Product

Whalestack makes waves with a diverse range of features designed for modern commerce

Checkouts with Bitcoin, USDC, EURC, Crypto · Whalestack

Checkouts Integrate fully customizable cryptocurrency and stablecoin checkouts with your business.

E-Invoicing with Bitcoin and Stablecoin · Whalestack

E-Invoicing Build invoices with payment links and receive payment using your web browser or the API.

Blockchain Wallets for Bitcoin, Lightning, and Stablecoin · Whalestack

Blockchain Wallets Connect your business to Bitcoin, Lightning, Litecoin, USDC, EURC, and Stellar.

Payment Processing with Bitcoin and Stablecoin · Whalestack

Payment Processing Process more sales, drive more revenue, and increase your bottom line.

Self-Custody Payment Gateway for Bitcoin, Crypto, and Stablecoins · Whalestack

Self-Custody Piping Combine the safety and peace of mind of self-custody with the convenience of Whalestack.

Asset Exchange for Bitcoin, Crypto, and Stablecoins · Whalestack

Asset Exchange Swap seamlessly between cryptocurrencies, stablecoin, and fiat money in your bank.

Bank Connectivity for USDC, EURC, BRL via SWIFT, SEPA, and PIX · Stablecoin On- and Off-Ramping · Whalestack

Bank Connectivity Link your SWIFT, SEPA, Brazilian PIX, and other bank accounts with blockchains.

Financial Reports and Accounting for Bitcoin, Crypto, and Stablecoins · Whalestack

Financial Reporting Aggregate all your transactions into financial reports and link them with counter-parties.

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.

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.

Whalestack Blog

Featured News and Articles

Announcements

Introducing Whalestack. Elevating Your Business with Digital Currency Payments

Marcin Olszowy Co-Founder

Payments

Are You Considering to Add a Blockchain-based Payment System?

Martin Dominic Banguis Contributor

Payments

Navigating Cryptocurrency: 10 Must-Know Answers for Every CFO

Martin Dominic Banguis Contributor

Accept and Manage Bitcoin, Lightning, USDC, and EURC Payments at your Business, SaaS, or E-Commerce Shop

Boost your revenue and enhance customer experience. Integrate Bitcoin, Lightning, USDC, EURC, Stellar, and other payment methods. Effortlessly connect blockchains to your SEPA, SWIFT, and PIX bank accounts.

Product

Empower your business with a comprehensive toolkit for every payment need, merging traditional and blockchain transactions

Checkouts

E-Invoicing

Blockchain Wallets

Bank Connectivity

See Also

Asset Exchange

Financial Reporting

Self-Custody Piping

Subscriptions

Marketplaces

Designed for Developers

Accelerate development with our robust, user-friendly payment APIs

Enhance your Tech Stack with Whalestack

Solutions

Explore Whalestack for businesses like yours, providing unified and secure payment solutions for the digital age

Other Businesses

Assets and Networks

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

Why Businesses choose Whalestack

Low Transaction Fees

Blockchain transactions processed by Whalestack have lower fees compared to traditional payment methods.

No Chargebacks

Once a crypto transaction is confirmed, it cannot be reversed, eliminating the risks and costs associated with chargebacks.

New Customer Base

Accepting crypto can attract a tech-savvy customer base that prefers to transact in digital currencies.

Global Reach

Cryptocurrency and stablecoin transactions are permission-less and available to anyone, anywhere in the world, even the unbanked.

Product

Whalestack makes waves with a diverse range of features designed for modern commerce

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

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.

Find out how Whalestack can help your business drive more revenue and increase your bottom line.

Whalestack Blog

Featured News and Articles

Introducing Whalestack. Elevating Your Business with Digital Currency Payments

Are You Considering to Add a Blockchain-based Payment System?

Navigating Cryptocurrency: 10 Must-Know Answers for Every CFO

Try the #1 payment processor for cryptocurrencies and stablecoins.