The best alternatives to Simplex

Alchemy Pay is a payment solutions provider that seamlessly connects fiat and crypto economies. It offers fiat-to-crypto on-ramp and off-ramp services, crypto payment processing, NFT checkout, virtual card issuance, and token listing — enabling businesses to accept crypto payments and users to buy/sell digital assets using local fiat currencies across 173 countries.

Bitnovo is a regulated cryptocurrency platform offering a self-custodial wallet for individuals to buy, sell, swap, and store digital assets, along with business solutions for accepting crypto payments, gift card integrations, and crypto ATM services.

Guardarian is a fiat-to-crypto on-ramp and off-ramp service provider connecting the fiat and crypto world since 2017. It offers an account-free platform to buy, sell, and swap over 1,000 cryptocurrencies using 20+ payment methods including Visa, Mastercard, Apple Pay, Google Pay, SEPA, and more, across 170+ countries worldwide.

Inqud is a financial technology company that provides a multi-coin crypto payment gateway for businesses. Its solutions include crypto acquiring widgets, recurring payments, payment links, on-ramp/off-ramp, OTC desk, and crypto POS terminal services — all with transparent pricing, no hidden fees, and 24/7 expert support.

Transak is a developer integration toolkit that enables any financial application to offer fiat on-ramp and off-ramp services for crypto. It handles KYC/AML compliance, regulation, fiat payment methods, and multi-chain crypto coverage so teams can focus on building their product without managing payments infrastructure.

Swapin is a licensed EU crypto payment gateway that enables businesses to accept cryptocurrency payments and receive settlement in fiat (EUR, GBP, USD) directly to their bank account. SwapinCollect offers crypto payment links merchants can share via invoices — customers pay with crypto without the merchant needing technical integration or a crypto wallet.

KvaPay is a regulated crypto payment platform offering businesses and individuals a complete suite of tools including crypto checkout for e-commerce, a multi-asset wallet, payment links, a POS terminal, and a crypto exchange. Operated by Ilavo Group under MiCA regulation and supervised by the Czech National Bank.

Paybis is a global cryptocurrency exchange platform that enables users to buy, sell, swap, and convert 40+ cryptocurrencies using credit/debit cards, Apple Pay, Google Pay, PayPal, Skrill, and bank transfers. Founded in 2014, it serves over 180 countries with fast verification and 24/7 support.

Ramp Network is a web3 financial infrastructure platform that enables users to buy, sell, and swap cryptocurrencies directly from self-custodial wallets. With a single KYC verification, users can access crypto across hundreds of partner wallets including MetaMask, Ledger, and Trust Wallet. Available in 150+ countries with regulatory compliance.

ZBD is a global payment infrastructure platform built for the gaming industry. It enables game developers to integrate real-money rewards, branded debit cards, instant payouts, and embedded banking into their games through a single API — handling compliance, KYC/AML, and multi-currency settlements including Bitcoin Lightning.