Case Study: Payment Processor Boosts Merchant Retention With TransFi Single API

In today’s competitive payments industry, merchant retention is one of the hardest challenges for processors. Merchants expect seamless integration, global coverage, and support for both fiat and digital assets. Any delays, limited coverage, or fragmented payment systems risk pushing them to competitors.

This case study explores how a leading payment processor improved merchant loyalty and boosted retention with TransFi single API, enabling them to deliver unified fiat and crypto payment solutions to their merchant base.

The Challenge: Fragmented Payment Systems Hurt Merchant Retention

Payment processors often manage multiple integrations across banking systems, card networks, and crypto rails. For our client, this created three core issues:

Merchant churn – merchants left when they couldn’t accept both fiat and crypto payments seamlessly.
Complex integration – supporting new payment methods required multiple APIs, raising costs and development time.
Limited cross-border reach – merchants needed cross-border payment processing, but traditional rails were slow and expensive.

The result: rising costs for the processor, slower merchant onboarding, and growing frustration across their client base.

They needed a single, future-proof solution that could unify payment methods, reduce integration complexity, and improve merchant loyalty.

The Solution: TransFi Single API Integration

The processor adopted the TransFi single API, giving them instant access to a unified payment API that connected fiat, stablecoins, and crypto payments into one seamless infrastructure.

Key features that solved their challenges:

Unified Payment API – One integration for cards, bank transfers, stablecoins, and 80+ digital assets.
Seamless Crypto Payment API Integration – Merchants could accept crypto payments alongside fiat without separate systems.
Stablecoin On-Ramp API – Merchants gained access to instant stablecoin settlement, reducing volatility and payment delays.
Cross-Border Payment Processing – Global reach across 100+ countries and 250+ local rails, improving international merchant access.

The Results: Higher Retention & Faster Growth

Within six months of adopting TransFi merchant solutions, the payment processor achieved:

30% increase in merchant retention – merchants stayed longer thanks to seamless fiat + crypto support.
40% faster merchant onboarding – simplified with a single API integration instead of multiple providers.
Global expansion – enabled cross-border acceptance and instant stablecoin settlements.
New revenue streams – by offering merchants crypto and stablecoin payment options alongside traditional rails.

This payment processor case study highlights how a single integration can transform merchant relationships and reduce churn in a competitive payments market.

Why TransFi?

TransFi is more than a crypto gateway. It’s a complete merchant solution designed to help processors scale globally while keeping merchants happy.

One API for everything – cards, bank transfers, stablecoins, and crypto.
Merchant loyalty with unified payment API – reduce churn by offering every payment option merchants demand.
Enterprise-ready – compliance, fraud prevention, and AI-powered routing built in.
Future-proof – instant settlement, crypto adoption, and global coverage out of the box.

For processors, the TransFi single API is the fastest way to deliver value to merchants while cutting operational overhead.

Also read: Case Study: Corporate Treasury Optimizes Cross-Border FX With TransFi Integration

Conclusion

Merchant expectations are evolving fast. They want instant settlements, cross-border reach, and support for both stablecoin and fiat payment solutions. Processors who can’t deliver risk losing them.

This case study shows how a processor improved merchant retention with TransFi single API integration, turning fragmented systems into a unified, global payment experience.

FAQs

1. How does TransFi single API help boost merchant retention?
By unifying fiat and crypto payments in one integration, processors can reduce friction for merchants, offer more payment options, and cut settlement delays — directly improving loyalty.

2. What makes TransFi different from other payment APIs?
Unlike basic payment gateways, TransFi single API connects fiat rails, stablecoins, and crypto assets into one infrastructure. It also includes compliance, fraud controls, and AI-powered routing.

3. Can merchants use stablecoins for settlement?
Yes. With the stablecoin on-ramp API, merchants can instantly settle in USDC, USDT, or other digital assets, alongside traditional fiat.

4. Does this require merchants to be crypto-native?
No. Merchants can continue using their existing systems while adding crypto and stablecoin acceptance via TransFi. The integration is seamless.

5. Is this solution global?
Yes. TransFi supports cross-border payment processing in 100+ countries with 250+ local rails, making it ideal for international merchants.

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Integrate TransFi Collections with your business and experience secure, seamless, and scalable payments that are not only efficient and reliable but also globally compliant.