
PayPal
Stripe
Corefy
Paykassma
Payoneer
Venmo
LinkPay.io
Start accepting payments from users in Asia and Africa in 1 day. Process VISA, Mastercard and 100+ local payment methods. Increase profitability with expanded geography and improved payment conversion.

Mainstack enables entrepreneurs with commerce and global payment solutions to showcase and get paid for their work and services, grow revenue, and manage customers - all in one place.

Website, pricing, platforms and company facts side by side.
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| Website | a-pay.one | mainstack.com |
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In their own words, as submitted to SaaSHub.


Start accepting payments from users in Asia and Africa in 1 day. Process VISA, Mastercard and 100+ local payment methods. Increase profitability with expanded geography and improved payment conversion. It’s A-Pay – the cutting-edge payment processing solution tailored for emerging markets ==...
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I’ve tried many payment services, but apay stands out for its clear fee structure and fast payouts. The dashboard is clean and makes it easy to manage payments and invoices in one place.
The best feature of Apay is its transparency. I always know what fees I’m paying before I confirm any transaction, which builds trust and makes budgeting easier.
Apay continues to improve with regular updates and new features. I appreciate how they listen to user feedback and implement changes that enhance usability and security consistently.
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Corefy is the unified payment operating system for payment businesses. Orchestrate 650+ provider integrations, route and cascade transactions, lift approval rates, and launch your own white-label payment gateway — all from one platform.
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Whether making international payments, receiving funds, managing your digital business, or accessing capital, Payoneer opens your business up to the world.
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Venmo is the best way to pay your friends. It's simple, fun and free to use.
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