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Reliable & Secure API Testing Services for Seamless Integration

Because your app is only as strong as its APIs.

Your application's performance depends on how well its APIs talk—between services, platforms, and users. Our automated API testing services ensure your endpoints are fast, secure, scalable, and bug-free—before they go live.

TechUp engineer monitoring application performance on laptop

200+

Projects Completed

150+

Satisfied Clients

14+

Industries Served

100%

Client Retention

API Testing Services Description

We offer REST API testing, SOAP testing, and GraphQL validation to guarantee your APIs respond with speed, accuracy, and security across all environments. Whether you're scaling microservices or building enterprise-grade platforms, our team uses Postman, REST Assured, JMeter, and custom scripts to test functional flows, data accuracy, authorization, error handling, and performance. We build test suites that integrate directly into your CI/CD pipeline, ensuring every release is production-ready.

Why Choose Us for API Testing?

We understand how APIs are the backbone of modern digital products. Our team focuses not just on success responses but also on failures, edge cases, and long-term maintainability. We work as your QA partner—not just a vendor—ensuring smooth interoperability between internal and third-party services.

Why Choose

Why Invest in API Testing?

92%
of apps depend on third-party APIs

Without testing, every external connection is a blind spot.

41%
API security flaws cause 41% of data breaches

Validate and secure your endpoints proactively.

60%
Early API testing reduces integration bugs by 60%

Identify issues before they go downstream.

40%
Automation of API testing cuts QA time by up to 40%

Scale faster without compromising stability.

35%
Consistent API response times improve app speed by 35%

Smooth performance leads to loyal customers.

Our API Testing Strategy

API Mapping & Documentation Review

Understand endpoint structure, auth types, and dependencies.

Tool Setup & Environment Configuration

Postman, Swagger, REST Assured, JMeter, SoapUI, etc.

Functional Testing

Validate input/output, status codes, error handling, and edge cases.

Security Testing

Test headers, tokens, encryption, and access controls (OAuth, JWT).

Load & Performance Testing

Simulate API load using thousands of virtual users.

Automation & CI/CD Integration

Push tests into Jenkins, GitHub Actions, or your preferred pipeline.

We stay ahead in innovation, trends, and technology.

Technologies we work with

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Angular
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React
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Vue.js
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JavaScript
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TypeScript
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Next.js
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NuxtJS
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Tailwind
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CSS
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HTML
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Bootstrap
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jQuery
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.NET
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.NET Core
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Node.js
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PHP
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Python
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Django
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Next.js
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Express.js
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Nuxt.js
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iOS
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Android
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Swift
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Kotlin
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React Native
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Flutter
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Xamarin
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Unity3D
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WordPress
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Drupal
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Strapi
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Umbraco
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Kentico
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DotNetNuke
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Sitecore
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Sitefinity
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Magento
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Joomla
laravel-img
Laravel
shopify-img
Shopify
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SQL Server
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MYSQL
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Mongo DB
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MariaDB
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DynamoDB
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Oracle
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PostgreSQL
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SQLite
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DB2
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GraphQL
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Firebase
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AWS
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Azure
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Google Cloud
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Oracle
Jenkins
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Maven
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Terraform
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OpenShift
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Kubernetes
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Docker
GitHub
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NLP
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Deep Learning
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Computer Vision
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ChatGPT
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Generative AI
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Linear Regression
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Logistic Regression
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Convolutional neural Networks
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OpenCV
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OpenAI
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Meta LLMA
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Numpy

Need to test across interfaces, databases, and APIs?

Explore our End-to-End Manual QA Testing Services for full-cycle quality assurance.

FAQS

Frequently Asked Questions

Yes. We support REST, SOAP, GraphQL, and custom-built APIs using tools like Postman, SoapUI, and REST Assured.
Absolutely. We specialize in test automation with Jenkins, GitHub Actions, Bitbucket Pipelines, and GitLab.
We validate API keys, tokens (JWT), OAuth2 flows, and secure headers as part of our testing protocol.
Yes. We use tools like JMeter and BlazeMeter to simulate concurrent API traffic for performance benchmarking.
Yes, we provide detailed, actionable test reports including pass/fail status, response times, failure points, and improvement suggestions.
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