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Hungary · Budapest

API Testing Services Company in Budapest

REST and backend API testing, Postman suites, API automation, payment API and API security checks. Delivered for Budapest companies with 3.5–4.5 hours of daily overlap with Central European working hours.

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Quick answer

Who provides API testing services in Budapest?

NNT Software provides API testing services for companies in Budapest, Hungary remotely from India. NNT Software tests REST and GraphQL APIs with Postman and code-based suites, covering authentication, validation, payment flows, performance and API security.

Key takeaways

  • API Testing Services for Budapest, Hungary.
  • Shared-service centres, fintech and startup hub.
  • Delivered with 3.5–4.5 hours of daily overlap with Central European working hours; pricing as per your budget.
  • Languages: Hungarian.

API Testing Services in Budapest, Hungary: overview

Shared-service centres, fintech and startup hub. That mix of activity is exactly where API testing services projects usually start.

REST and backend API testing, Postman suites, API automation, payment API and API security checks. Delivered remotely from India with 3.5–4.5 hours of daily overlap with Central European working hours.

Budapest at a glance

Business districts

Most of the activity in Budapest is concentrated in Váci út corridor, the city centre and Infopark. We regularly support companies based in these areas.

Economy and key industries

Shared services, fintech and startups. These sectors drive most of the software demand we see in Budapest.

Talent and universities

Budapest University of Technology and Eötvös Loránd University. Local teams often pair with our engineers in India to add capacity and specialist skills.

Connectivity and infrastructure

Budapest Airport. We plan hosting, latency and integrations with this in mind.

Why Budapest companies invest in software

With shared services, fintech and startups, businesses in Budapest face growing pressure to digitise operations, serve customers online and integrate with partners. The most common requests we receive from Budapest are API testing services.

Because Budapest draws talent from Budapest University of Technology and Eötvös Loránd University, many companies here run lean in-house teams and use NNT Software to add product engineering, QA, DevOps or AI skills on demand — with delivery scheduled around CET working hours.

How we would approach a project in Budapest

  • Start with the workflows that matter most to shared services — usually api security checks and functional api testing.
  • Meet stakeholders in Váci út corridor or online for a one-to-two-week discovery workshop.
  • Plan hosting and integrations around budapest Airport and the CET working day.
  • Combine your local team — often hired from Budapest University of Technology — with NNT engineers for design, development and QA.
  • Release in two-week sprints and review results with your Budapest team every fortnight.

How Budapest businesses use API testing services

API security checks

Authentication, authorisation, rate limits, injection and data-exposure testing against OWASP API risks. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

Functional API testing

Status codes, response schemas, business rules and data accuracy for every endpoint. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

Postman and Newman suites

Shared collections with environments and assertions your developers can run too. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

Contract testing

Consumer-driven checks that stop one team’s change from breaking another’s integration. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

Payment API testing

Gateway, webhook, refund and reconciliation scenarios including failure and retry cases. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

API performance

Response time and throughput under load for critical endpoints. Pharma companies in Budapest usually prioritise this first, tracking progress on appointment no-show rate and clinician admin time.

What api testing services includes for Budapest clients

API security checks

Authentication, authorisation, rate limits, injection and data-exposure testing against OWASP API risks.

Functional API testing

Status codes, response schemas, business rules and data accuracy for every endpoint.

Postman and Newman suites

Shared collections with environments and assertions your developers can run too.

Contract testing

Consumer-driven checks that stop one team’s change from breaking another’s integration.

Payment API testing

Gateway, webhook, refund and reconciliation scenarios including failure and retry cases.

API performance

Response time and throughput under load for critical endpoints.

Hosting for Budapest projects

For low latency in Budapest and compliance with EU GDPR, we usually recommend Frankfurt, Ireland or another EU region to stay within GDPR transfer rules.

Localising API testing services for Budapest

Business in Budapest is mainly conducted in Hungarian. We build interfaces, notifications and documents ready for those languages, and plan releases around the CET working day.

API Testing Services pricing for Budapest

Priced as per your requirements and budget, quoted in HUF or USD, after a free discovery call.

Working with a Budapest team

We work with 3.5–4.5 hours of daily overlap with Central European working hours (CET). You get a named project manager, weekly demos and written status reports.

Next steps

Ready to discuss API testing services in Budapest? Here is how to get started with NNT Software:

  • Share your goals, users, must-have features and timeline through the contact form, email or WhatsApp.
  • Join a free 30-minute discovery call with a solution architect — we sign an NDA first if you prefer.
  • Receive a written proposal within 48 hours: scope, milestones, team, timeline and fixed estimate.
  • Kick off with a discovery workshop and see working software in your first sprint demo.

Why choose N&T Software for API Testing Services in Budapest

A technology partnership that feels structured, fast and dependable

We help businesses move from scattered tools and manual work to stable digital systems that are easier to manage, scale and improve over time. Our approach blends business understanding, practical execution and long-term support.

16+

Years of team experience

2,000+

Projects delivered

50+

In-house engineers

8

Own SaaS products

  1. 01

    Custom software aligned to your workflows

    Approval cycles, reporting and integrations designed around how your team actually works.

  2. 02

    A clear, predictable delivery process

    Discovery, fixed milestones, weekly demos and a shared backlog from kickoff to launch.

  3. 03

    Architecture built for growth

    Scalable, secure foundations ready for automation, AI, integrations and new markets.

  4. 04

    Long-term support after launch

    SLA-backed maintenance, monitoring and continuous improvement.

Frequently asked questions

Do you test REST and GraphQL APIs?

Yes — REST, GraphQL and SOAP, including internal microservice APIs and third-party integrations.

Can API tests run automatically?

Yes. We add them to your CI/CD pipeline so every build is checked before it is deployed.

Do you test payment APIs?

Yes, in sandbox mode: authorisation, capture, refunds, webhooks and reconciliation, including declined and timed-out cases.

API Testing Services in other Hungary cities

Start your API testing services project in Budapest

Share your idea and get a free consultation, a clear plan and a written estimate within 48 hours.