---
source_url: "https://www.deviqa.com/industries/payment-app-testing-services/"
title: "Payment app testing company | DeviQA"
mirrored_at: 2026-08-16T01:32:23.059Z
host: www.deviqa.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.deviqa.com/industries/payment-app-testing-services/index"
---

> **Original source:** https://www.deviqa.com/industries/payment-app-testing-services/

1.  [Home](https://www.deviqa.com/)
/3.  [Industries](https://www.deviqa.com/industries/)
/5.  Payment app testing services

## Payment app testing services

## Tested for speed. Proven for security. Ready for scale.

Backed by 16 years in fintech QA, we ensure every payment is fast, secure, and flawlessly executed.

![Picture](https://www.deviqa.com/hero-banner/industries/payment-app-testing-services.webp)

![Picture](https://www.deviqa.com/hero-banner/industries/payment-app-testing-services-mobile.webp)

## Your domain, our clients

## Our solutions for your payment  
app testing challenges

Payment apps can’t afford errors or downtime. DeviQA ensures payment apps run flawlessly –  
secure, compliant, and reliable across every transaction and platform.

Transaction failures and slow payments

Challenge

Even a 1-second delay can cut satisfaction by 16%.

Solution

End-to-end payment flow testing ensures transactions are instant, accurate, and secure.

Security and compliance gaps

Challenge

Over 45% of fintech apps fail PCI DSS or GDPR checks.

Solution

We perform full security and compliance testing for PCI DSS, PSD2, and OWASP standards.

API and gateway instability

Challenge

One failed API can disrupt all transactions.

Solution

We validate all integrations to guarantee reliability and seamless data flow.

Load and performance issues

Challenge

Peak loads often cause latency above 500 ms.

Solution

We stress-test systems to handle high volumes without downtime.

Device fragmentation

Challenge

Payment apps must run flawlessly across devices and OS versions.

Solution

Multi-device and cross-platform testing ensure smooth performance everywhere.

## Our comprehensive payment apps domain expertise

Whether it’s P2P, crypto, or cross-border payments, DeviQA makes every  
transaction smooth, fast, and regulation-ready.

Mobile wallets

Apple Pay, Google Pay, PayPal, and other digital wallets.

Peer-to-Peer (P2P) apps

Real-time money transfers between users.

Banking & neobank apps

End-to-end transaction and account management testing.

E-commerce payment solutions

Checkout, refunds, and multi-currency validation.

Crypto payment platforms

Wallet connectivity, transaction verification, and blockchain integrity.

Billing & subscription systems

Recurring payments, invoicing, and error handling.

POS & contactless solutions

NFC, QR, and in-store payment reliability.

Cross-border & remittance apps

Multi-currency conversion and compliance assurance.

![gradient](https://www.deviqa.com/solutions/top-gradient-white-blue-largest.webp)

## The scope of our payment app testing services

We provide end-to-end payment app testing services to ensure your software delivers exceptional quality at every level.

-   [Automated Testing](https://www.deviqa.com/services/automation-testing-services/)
-   [Manual Testing](https://www.deviqa.com/services/manual-testing-services/)

-   [Unit testing](https://www.deviqa.com/services/unit-testing-services/)
-   [Integration testing](https://www.deviqa.com/services/integration-testing-services/)
-   [System testing](https://www.deviqa.com/services/system-testing-services/)
-   [Acceptance testing](https://www.deviqa.com/services/user-acceptance-testing-services/)

-   [Functional testing](https://www.deviqa.com/services/functional-testing-services/)
-   [Compatibility testing](https://www.deviqa.com/services/automated-compatibility-testing-services/)
-   [Performance testing](https://www.deviqa.com/services/software-performance-testing/)
-   [Security testing](https://www.deviqa.com/services/cybersecurity-testing-services/)
-   Usability testing
    
-   [Localization testing](https://www.deviqa.com/services/localization-testing-services/)
-   [Exploratory testing](https://www.deviqa.com/services/exploratory-testing-services/)
-   [Regression testing](https://www.deviqa.com/services/automated-regression-testing-services/)
-   [Release testing](https://www.deviqa.com/services/release-software-testing-services/)
-   [Accessibility testing](https://www.deviqa.com/services/accessibility-testing-services/)
-   [Load and stress testing](https://www.deviqa.com/services/load-and-stress-testing-services/)

![background](https://www.deviqa.com/_next/image/?url=%2Fsolutions%2Fcta-after-gradient.webp&w=3840&q=75)![background](https://www.deviqa.com/solutions/lights-gradient-3.svg)

Experience the DeviQA difference

From initial consultation to full-scale QA implementation, we deliver results.

## DeviQA’s AI advantage

At DeviQA, we use AI to make testing smarter and simpler. Our ecosystem is built to deliver faster, smarter, and more cost-efficient results — so your team can do more in less time.

![card0](https://www.deviqa.com/_next/image/?url=%2Fai-advantage%2Fcard-1.webp&w=1200&q=75)

AI-powered IDE assistant

Reduces test script writing time

![card1](https://www.deviqa.com/_next/image/?url=%2Fai-advantage%2Fcard-2.webp&w=1200&q=75)

QA companion

Provides suggestions for test optimization and addresses gaps

![card2](https://www.deviqa.com/_next/image/?url=%2Fai-advantage%2Fcard-3.webp&w=1200&q=75)

Automated code review

Flags unused variables, improper loops, and other common errors

![card3](https://www.deviqa.com/_next/image/?url=%2Fai-advantage%2Fcard-4.webp&w=1200&q=75)

AI for API testing in Postman

Streamlines API test case creation and response validation

Features

Test case creation

Code review

Exploratory planning

Log analysis

VS

Testing time spent without AI

6 hrs

3 hrs

2 hrs

2 hrs

VS

![background](https://www.deviqa.com/column-bg.svg)

Testing time spent with DeviQA AI

4 hrs (33% saved)

2 hrs (33% saved)

45 min (60% saved)

1 hr (50% saved)

VS

## Collaboration on your terms

Backed by 16 years of expertise, DeviQA offers three flexible models for payment application testing services to fit your project’s needs, timeline, and budget.

Staff augmentation

Boost your in-house QA with experienced payment testers.

Advantages:

-   Quick access to skilled engineers
    
-   Easy integration into your workflows
    
-   Fast onboarding for urgent deadlines
    

Best for:

Teams needing extra QA capacity or niche expertise.

[Get started](https://www.deviqa.com/contact-us/)

Dedicated QA team

A full-time QA team focused entirely on your payment app.

Advantages:

-   Deep knowledge of your product and compliance needs
    
-   Continuous coverage and faster releases
    
-   Scalable as your business grows
    

Best for:

Ongoing QA support for long-term payment platforms.

[Get started](https://www.deviqa.com/contact-us/)

Project-based outsourcing

We handle testing end-to-end, from planning to delivery.

Advantages:

-   Clear scope and deliverables
    
-   Minimal management effort
    
-   Guaranteed compliance and performance
    

Best for:

Companies wanting a complete, hands-off QA solution.

[Get started](https://www.deviqa.com/contact-us/)

![Background](https://www.deviqa.com/_next/image/?url=%2Fgradient-section-with-cards%2Fbg.webp&w=3840&q=75)![Background](https://www.deviqa.com/_next/image/?url=%2Fgradient-section-with-cards%2Fbg-mobile.webp&w=3840&q=75)

## Why choose us for payment system testing?

Over 600,000 project man-days successfully delivered.

We take full accountability for our work.

A range of value-added services at no extra cost.

Free test trial. Try us before making any payment.

Our engineers are senior testers with strong autonomy and self-starting ability.

With a 96% retention rate, we offer stable teams, compared to the industry average of 80%.

Extensive testing lab with a wide range of environments, platforms, and devices.

Access to a technology community of over 4000 QA engineers and experts.

![background](https://www.deviqa.com/_next/image/?url=%2Fsolutions%2Fcta-after-gradient.webp&w=3840&q=75)![background](https://www.deviqa.com/solutions/lights-gradient-3.svg)

Payment app testing that meets the standards. And exceeds expectations.

## Our approach to payment application testing

A structured, six-step QA process that secures every transaction and keeps your payment app fast, compliant, and reliable.

01

Analysis & risk assessment

We review payment flows and compliance needs to identify critical testing areas.

02

Test strategy design

A tailored QA plan covering functionality, performance, security, and integrations.

03

Test environment setup

Real-world conditions simulated across devices, networks, and regions.

04

Functional & integration testing

End-to-end validation of transactions, refunds, and API communication.

05

Security & compliance testing

Thorough checks for PCI DSS, PSD2, and GDPR compliance.

06

Performance & regression testing

Load and regression testing ensure stability, speed, and reliability.

## FinTech regulations we  
work with

We embed regulatory expectations into QA for systems aligned with:

![GDPR](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FGDPR.webp&w=256&q=75)

GDPR

![PSD2 / PSD3](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FPSD2.webp&w=256&q=75)

PSD2 / PSD3

![DORA](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FDORA.webp&w=256&q=75)

DORA

![AML / CTF](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FCTF.webp&w=256&q=75)

AML / CTF

![EBA ICT Guidelines](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FEBA.webp&w=256&q=75)

EBA ICT Guidelines

![ISO 27001](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FISO27001.webp&w=256&q=75)

ISO 27001

![SOC 2 Type II](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FSOC2.webp&w=256&q=75)

SOC 2 Type II

![GLBA](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FGLBA.webp&w=256&q=75)

GLBA

![PCI DSS](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FPCI.webp&w=256&q=75)

PCI DSS

![AML / BSA](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FBSA.webp&w=256&q=75)

AML / BSA

![CCPA / CPRA](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FCPRA.webp&w=256&q=75)

CCPA / CPRA

![23 NYCRR 500](https://www.deviqa.com/_next/image/?url=%2Findustries%2FFintechGrid%2FNYCRR.webp&w=256&q=75)

23 NYCRR 500

## Here’s what people are saying  
about DeviQA

![G2](https://www.deviqa.com/reviews-icons/g2-icon.svg)

5.0

34 reviews

![Clutch](https://www.deviqa.com/reviews-icons/clutch-icon.svg)

5.0

34 reviews

![Goodfirms](https://www.deviqa.com/reviews-icons/goodfirms-icon.svg)

5.0

9 reviews

“It was so easy to integrate your people with us and we didn't have any problems.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fjanosch.webp&w=96&q=75)

Janosch Greber

VP of engineering at RealTyme

DeviQA helped develop a cybersecurity software platform. Complex automated scenarios test REST APIs through a Faraday library. An SDK application works with Azure, Google Cloud, Docker, and LXC containers.

![Yuval Or](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fyuval.webp&w=96&q=75)

Yuval Or

QA manager at Mimecast

“DeviQA has always brought us really high quality candidates for us to be able to seamlessly mesh into our team.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fdanny.webp&w=96&q=75)

Danny He

CEO and founder at Soapbox

DeviQA provides software QA automation engineering support to a QC and QA company. Their work includes sandbox testing, QA, testing automation, DevOps support, and TechOps support.

![Alex Ohoussou](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Falex.webp&w=96&q=75)

Alex Ohoussou

Head of QA & techOPs at QIMA

“You guys have always been genuine, flexible and personable.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fryan.webp&w=96&q=75)

Ryan Austin

CEO and founder at Cognota

DeviQA has provided application testing services for an HR tech company. The team has managed feature, smoke, and regression automation tests and offered test reports.

![Mia Bunjac](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fmia.webp&w=96&q=75)

Mia Bunjac

QA chapter lead at Renhead Technology

“In fact, they have been a part of our success story, helping us grow from six workers 11 years ago to about 1200 workers now.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fraanan.webp&w=96&q=75)

Raanan Tauber

QA manager at Tipalti

DeviQA provides automatic testing with continuous integration for native and hybrid mobile apps.

![Giurea Renato Gabriel P.F.A.](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Frenato-gabriel.webp&w=96&q=75)

Giurea Renato Gabriel P.F.A.

CTO at Impaktsoft Projekt S.R.L.

“They can take my lack of knowledge and I can trust that they will be able to produce something of value.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fray.webp&w=96&q=75)

Ray Alde

Co-founder & cto at Arklign

DeviQA provides QA and testing resources on an ongoing basis. They evaluate architectures and offer both manual and automated testing. The client has also utilized their on-demand developers.

“To me, that's above and beyond, I did not expect that to be so smooth and so easy.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fmark.webp&w=96&q=75)

Mark Levine

Chief product officer at CYDEF

DeviQA is a dedicated vendor that assists with manual and automated testing on an ongoing basis. They're also overseeing other development projects and supervising the testing portion of those.

“They know what they're doing because the people that they send to us are quality people.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Fcharles.webp&w=96&q=75)

Charles Chase

Chief technology officer at Returnmates

DeviQA provided application testing services for an audio editing platform. The team was responsible for continuously testing the UI and functionality of the platform via an automated testing framework.

“There is also very good follow up on the engineers and the job they're doing.”

![Author](https://www.deviqa.com/_next/image/?url=%2Ftestimonials%2Folivier.webp&w=96&q=75)

Olivier Mayot

Chief technology officer at SimpliField

DeviQA serves as the process improvement partner to a diabetes care and solutions company. They helped scale the client's automated testing and are now working on improving their manual testing framework.

![Contact us](https://www.deviqa.com/_next/image/?url=%2Fshared%2Fcta-contact-us-bg-lines.webp&w=3840&q=75)

## Collaboration process overview

-   0
    
    1
    
    Initial contact. We start by understanding your testing needs and aligning them with your goals.
    
-   0
    
    2
    
    Assessment. Our experts analyze your current process and propose a tailored improvement plan.
    
-   0
    
    3
    
    PoC. Try a free proof of concept to see our capabilities in action.
    
-   0
    
    4
    
    Trial & evaluation. We conduct a trial phase and review the results together.
    
-   0
    
    5
    
    Contract & QA implementation. Once satisfied, we sign the contract and begin full-scale QA.
    
-   0
    
    6
    
    Flexible partnership. DeviQA offers scalable solutions to adapt to your business needs.
    

## Questions & answers

![Image](https://www.deviqa.com/_next/image/?url=%2Fquestion-answer.webp&w=384&q=75)