Alternatives to Squareup.com - Similar Sites & Competitors
Square APIs & SDKs: Build Custom Solutions on Square
Build custom apps and integrations for payments, commerce, and staff with Square’s APIs and SDKs. Access developer tools and documentation in multiple languages.
Create custom payment solutions with Square APIs
Square’s developer platform lets you build custom solutions using their wide range of APIs and SDKs. Whether you want to accept payments, manage customers, handle orders, or streamline inventory, you’ll find dedicated tools and clear documentation to help you get started quickly—no matter where you’re located.
This site is designed for developers who want to create seamless integrations with Square’s payment and commerce systems. You can explore various APIs for in-person, in-app, and online payments, as well as manage catalogs, teams, and locations. With support for multiple languages and markets, you can tailor solutions for your business or clients.
From detailed guides to technical references, the platform provides everything you need to build, test, and deploy apps that connect with Square’s ecosystem. Whether you’re a seasoned developer or just getting started, you’ll have access to resources and support to help you deliver flexible commerce experiences.
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Top Squareup.com Alternatives (Prioritized Matches)
Pay. is a Dutch all-in-one payment provider for businesses, offering fast and flexible payment solutions for online and in-store transactions.
DPO Pay lets businesses across Africa accept secure online payments in multiple currencies, offering flexible payment methods for global shoppers.
PayU helps Indian businesses accept digital payments easily, supporting cards, UPI, wallets, and more for smooth and secure online transactions.
Flow is an online payment platform for Chile that lets you send and receive electronic payments easily through multiple methods, perfect for businesses.
Transbank offers fast, secure payment solutions for businesses in Chile, making it easy to accept cards and manage transactions online or in-store.
ZuelPay lets you build branded payment, recharge, and travel apps with easy API integration for bill payments, UPI, and more—ideal for businesses and resellers.
Scalex Africa offers stablecoin payment solutions, letting you buy, sell, and trade crypto with fiat securely through APIs, mobile apps, and global checkout tools.
Payrexx lets you accept all major payment methods online—like Visa, Mastercard, and Apple Pay—easily and securely, with no complicated contracts.
ifthenpay lets businesses accept secure digital payments via Multibanco, MB WAY, Payshop, and credit cards, with easy online invoicing and no monthly fees.
Zaver offers flexible payment options like buy now, pay later and instant payouts for businesses, making online and in-store sales easier across all channels.
Paysafe propose des solutions de paiement en ligne, en espèces et par portefeuille numérique pour entreprises de toutes tailles. Site disponible en français.
iyzico lets you accept payments and offer installment sales online or in-store, with multiple payment options and fast setup for businesses and individuals.
Windcave lets businesses accept payments online, in-store, and via vending with a secure, all-in-one platform for credit and debit card processing.
Accept credit and debit card payments online, in-store, and more with a secure, PCI-compliant payment gateway trusted by merchants worldwide.
Create secure payment links to accept online and in-person payments from any device or channel. Set up, share, and get paid quickly with Mollie.
Coinbase Commerce lets businesses accept crypto payments globally with instant settlement, low fees, and support for multiple cryptocurrencies.
Midtrans is an Indonesian payment gateway that makes it easy for businesses to accept online payments through various methods and manage transactions securely.
Latpay lets you accept payments online and in-store, offering multiple shopping cart integrations and local payment methods for easy transactions.
Amazon Pay lets you accept payments online, offering fast, secure checkout for shoppers and easy integration for businesses of any size.
Paystack lets African businesses accept secure online and offline payments, offering fast transactions and easy integration for all business sizes.
Moneris offers payment processing and POS solutions for Canadian businesses, helping you accept payments in-store, online, and on the go with local support.
MONEI lets you accept online and in-person payments from many methods using one easy platform, helping your business grow with simple integration options.
PayPlus offers secure online payment solutions and advanced APIs for businesses in Israel, helping you accept payments and manage transactions easily.
GoUrl lets you accept Bitcoin and other cryptocurrencies as payment on your website, offering easy integration, white label options, and monetization tools.
OpenNode lets businesses accept, send, and manage Bitcoin payments easily with fast transactions, low fees, and simple integrations for online stores.
Dropp offers instant pay-by-bank payments and a digital wallet with ultra-low fees, making it easy for merchants and shoppers to handle small-value transactions.
Payiota lets you accept IOTA cryptocurrency payments for your online store, offering fast transactions and easy integration with e-commerce platforms.
BASE, Inc. offers an easy way to create online shops, accept payments, and manage sales with their e-commerce and payment services in Japanese and English.
Paddle helps SaaS and digital product businesses manage payments, subscriptions, and taxes globally, acting as a merchant of record for easy compliance.
Worldline New Zealand offers secure, innovative payment solutions and services to help businesses accept payments easily, both in-store and online.
Worldwide Squareup.com Alternatives
CloudPayments lets online stores and services accept payments by cards, SBP, and T-Pay. Easily connect payment options to your site or mobile app. Russian language.
Pagar.me connects your website or app to secure online payment solutions, making it easy to accept payments and grow your business in Brazil.
VR Payment offers cashless payment solutions, terminals, and services for stores, bistros, and businesses across Germany. Site in German.
Helio lets you accept instant, low-fee crypto payments on your online store or app, making it easy to boost e-commerce and NFT sales with DeFi solutions.
Bolt offers fast, one-click checkout and payment solutions for online stores, making shopping and subscriptions simple and secure for retailers and customers.
DePay lets you accept and manage crypto payments on multiple blockchains, supporting stablecoins and tokens for websites, e-commerce, and more.
Sky Systemz offers cloud-based payment processing, POS tools, and business management services tailored for construction and trade businesses in the US.
Freemius lets you sell software worldwide with built-in payments, subscriptions, tax handling, and licensing—so you can focus on building your products.
Build, customize, and launch e-commerce experiences with tools and APIs for developers creating unique online stores and apps on Shopify.
SumUp offers easy-to-use payment terminals and financial tools for small businesses to accept card and mobile payments.
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