A payment service provider (PSP) is a company that enables businesses to accept electronic payments by providing the technology, processing infrastructure, and banking relationships needed to move money from customers to merchants. For WooCommerce store owners, the PSP is the most important vendor relationship in your ecommerce stack, it handles the technology your customers interact with at checkout and determines how reliably you get paid.
What a PSP Actually Does
A full-service PSP handles:
- Payment acceptance: Credit cards, debit cards, digital wallets (Apple Pay, Google Pay), and alternative payment methods
- Security and compliance: PCI DSS compliance, data encryption, and tokenization so your store never stores raw card data
- Processing and authorization: Routing transactions to card networks, requesting issuer authorization, and managing declines
- Fraud prevention: Screening transactions against fraud rules and behavioral signals before authorization
- Settlement: Moving approved funds from the customer’s bank to your merchant account on a defined schedule
- Dispute management: Tools and support for managing chargebacks
- Reporting: Transaction data, authorization rates, decline analysis, and reconciliation
Types of Payment Service Providers
| PSP Type | How It Works | Best For |
|---|---|---|
| Payment aggregator | Merchants share a master account; fast onboarding | New businesses, low volume |
| Payment facilitator (PayFac) | Sub-merchant model with faster onboarding than traditional acquiring | Growing ecommerce stores |
| ISO (Independent Sales Organization) | Resells acquiring services from a bank | In-person retail, traditional merchants |
| Direct acquirer | The bank itself holds your merchant account | Enterprise merchants with high volume |
How to Evaluate a PSP for WooCommerce
When choosing a PSP for your WooCommerce store, evaluate:
- WooCommerce integration quality: Native plugin vs. manual API integration, subscription support, and update frequency
- Pricing transparency: Are all fees clearly disclosed? Are there monthly fees, statement fees, or PCI fees beyond the transaction rate?
- Authorization rates: What is the PSP’s average authorization rate? Does the PSP use network tokenization to improve card-on-file performance?
- Fraud tools: What fraud detection is built in? What is your liability for fraudulent transactions?
- Support model: Email only, or do you have access to a real person when chargebacks spike or your account has a problem?
- Settlement speed: How quickly are funds deposited? Are there holds or rolling reserves?
Red Flags to Watch For
- Monthly minimums that penalize you during slow periods
- Long-term contracts with early termination fees
- Opaque fee structures with statements you can’t easily reconcile
- No dedicated support for disputes and chargebacks
- Account freezes or holds without clear criteria
ConvesioPay as a PSP
ConvesioPay operates as a payment facilitator built on Adyen’s direct-acquiring infrastructure, giving WooCommerce merchants the benefits of enterprise-grade processing (global network, network tokenization, advanced fraud tools) with the simplicity of a single flat rate: 2.9% + $0.30 per transaction, no monthly fees, no long-term contracts. Native WooCommerce plugin, dedicated account support, and Adyen’s institutional-grade infrastructure behind every transaction.
Ready to get started? Learn more about ConvesioPay or view pricing.