ISV Payment Integration
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Clearent vs Fiserv

A feature-by-feature comparison for ISVs integrating payments.

By Marcus Reed·

Note: Clearent rebranded to Xplor Pay on July 8, 2025. Press release →

Fiserv absorbed First Data in 2019, bringing Clover and several other platforms under one roof, and processes mainly on the First Data network. Clearent is a US mid-market processor, now sold as Xplor Pay, that combines processing with partner tools in one offering. Fiserv's facilitation comes through specific programs; Clearent's comes through its embedded program.

Feature Comparison

Clearent5.5Winner
vs13 criteria
Fiserv5.3
FeatureClearentFiserv
Integration Architecture66
API & Developer Experience54
White-Label Capabilities64
Processor Flexibility33
Pricing & Fee Structure75
Omnichannel & In-Person Payments68
Fraud & Security67
Revenue Sharing64
Merchant Onboarding75
Global Reach37
Recurring Billing56
Customer Support64
PayFac Options56

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Best for

Clearent

Best for ISVs in healthcare, B2B, and professional services verticals wanting a payment partner with deep vertical expertise. Now offers expanded capabilities through the Xplor Technologies platform.

Visit xplorpay.com ↗

Best for

Fiserv

Best for ISVs in retail and restaurant verticals wanting the Clover ecosystem or ISVs needing bank distribution partnerships. Less ideal for ISVs wanting a modern, API-first integration experience.

Visit fiserv.com ↗

Note: Clearent has rebranded to Xplor Pay. This comparison reflects the combined capabilities of the Clearent/Xplor Pay platform.

Clearent vs Fiserv: What ISVs Need to Know

Choosing between Clearent and Fiserv for embedded payments is a decision that directly impacts your ISV’s revenue model, merchant experience, and technical architecture. This comparison breaks down where each platform excels from an ISV integration perspective.

Key Differences for ISVs

The most important distinction between Clearent and Fiserv comes down to how each platform approaches ISV payment facilitation. Clearent and Fiserv take fundamentally different approaches to merchant onboarding, revenue sharing, and platform integration — and those differences matter when you’re building payments into your software.

Integration architecture varies significantly between the two. ISVs evaluating Clearent vs Fiserv should consider how each platform handles sub-merchant onboarding, payment splitting, and settlement timing. The right choice depends on your specific vertical, transaction volumes, and how much control you need over the merchant payment experience.

Pricing and revenue economics also differ. ISVs earn money from embedded payments through the spread between what they charge merchants and what the processor charges them. The pricing model each platform uses — flat-rate, interchange-plus, or custom — directly affects your payment revenue per transaction.

Which Platform Fits Your ISV?

The best choice between Clearent and Fiserv depends on your ISV’s specific requirements:

  • Transaction volume: Higher-volume ISVs may benefit from interchange-plus pricing, while lower-volume platforms often prefer flat-rate simplicity
  • Merchant type: B2B merchants have different payment needs than consumer-facing businesses
  • Geographic scope: International payment support varies significantly between providers
  • Integration depth: Some ISVs need white-label checkout while others are fine with co-branded experiences
  • Revenue model: How much of the payment margin you want to capture determines which platform’s economics work better

The ISV Payment Integration Perspective

For ISVs evaluating Clearent vs Fiserv, the comparison shouldn’t stop at processing fees. Consider the total cost of integration, ongoing maintenance, and the revenue opportunity from embedded payments. The platform that generates the most payment revenue for your ISV while providing the best merchant experience is the right choice — and that calculation is different for every software company.

Evaluate both platforms against your specific use case. Request ISV-specific pricing from each, and compare the total economics including setup costs, per-transaction revenue, and the engineering investment required to integrate and maintain each platform.

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