Adyen vs Param

Adyen is a global payments company founded in Amsterdam in 2006 by Pieter van der Does and Arnout Schuijff, and listed on Euronext Amsterdam since 2018. Adyen runs its own acquiring, processing and risk stack in one system, so a merchant gets one contract and one report for card payments, local payment methods and in-store terminals across many countries. Customers include Uber, Microsoft, eBay and OpenAI.

The platform covers online checkout through Drop-in and Components SDKs, point-of-sale terminals, Tap to Pay on phones, RevenueProtect fraud scoring, network tokenization, payouts, and Adyen for Platforms for marketplaces that onboard and pay sub-merchants. Pricing is published and usage-based: a fixed $0.13 processing fee per transaction plus a payment method fee, such as Interchange++ plus 0.60% for Visa and Mastercard. There are no setup or monthly fees, though a minimum invoice can apply depending on industry.

Adyen fits large retailers, travel and mobility companies, and marketplaces processing high volumes across several regions, where unified data and acquiring margins matter. It is a poor fit for small shops: onboarding is sales-led, integration needs developers, and support is tuned for enterprise accounts. Stripe is easier for startups and SaaS billing, PayPal brings consumer wallet reach, and Square suits small in-person sellers.

Adyen keeps growing: H1 2026 net revenue was about EUR 1.3 billion, up 19% year on year, and in July 2026 it completed the acquisitions of Talon.One (loyalty and promotions) and Orb (usage-based billing).

Param is a Turkish fintech company and licensed electronic money institution that provides payment services to merchants and consumers. For businesses it offers virtual POS for e-commerce, physical and mobile POS options, installment payments, payment links that can be shared over WhatsApp or SMS, and integrations and plugins for common e-commerce platforms, so a merchant can start accepting cards online and in store through one provider.

Important: on 13 July 2026, as part of an investigation by the Istanbul Chief Public Prosecutor's Office, the Savings Deposit Insurance Fund (TMSF) was appointed trustee over Turk Elektronik Para A.Ş. (Param) and its group companies. ParamPOS merchant receivables have since been paid in stages, first up to 100,000 TL and then up to 250,000 TL, with remaining balances paid as the company's finances allow. Merchants considering Param should read the latest TMSF and company announcements before signing up.

On the consumer side, Param offers prepaid cards and a digital wallet, which makes it one of the better-known fintech brands in Turkey. For merchants, the main points of comparison are commission rates by installment count, how quickly funds are settled to the bank account, integration documentation and API quality, fraud and 3D Secure handling, and the quality of the merchant panel and support. Param advertises virtual POS commission from 2.29% with next-day settlement, while final rates depend on sector, volume, instalments and settlement terms.

Under normal operating conditions, Param suits small and mid-size Turkish merchants, e-commerce sites and service businesses that want a single provider for online and in-store payments without negotiating directly with several banks. Larger merchants with multiple bank POS agreements often add an orchestration layer such as Craftgate. iyzico is the best-known alternative with a strong buyer-protection brand, PayTR is popular with small e-commerce sites, and Sipay competes on marketplace and wallet features; comparing offers from several providers is the norm.