Trusted & Certified
API development services offer integration across your applications, websites, and business tools. The key function of the API development service is that information can pass between disparate applications, a CRM, a payment processor, the mobile application, the dashboard, or any other third-party system, instead of data being siloed.
For a business, this can help reduce manual input and reduce breakage in processes. The API development service should be capable of integrating existing applications, enabling more seamless workflows and a more reliable and rapid path for users into your product as your offering grows.
ISO 27001 · Certified
SOC 2 Type II · Compliant
Deloitte Fast 50 · Awarded
ERC-3643 · Compatible
KYC / AML · Integrated
MiCA-Ready · EU Compliant
VARA · UAE Licensed
OpenAI Partner · Certified
ISO 27001 · Certified
SOC 2 Type II · Compliant
Deloitte Fast 50 · Awarded
ERC-3643 · Compatible
KYC / AML · Integrated
MiCA-Ready · EU Compliant
VARA · UAE Licensed
OpenAI Partner · Certified
Every quarter spent with the wrong engineering partner compounds debt in the budget, in trust, and in the market window. The fix is harder, slower, and more expensive each cycle.
The choice of API type will depend on the function of the product in question, the system with which the product requires integration, and the amount of flexibility afforded to the user or developer. The API services we offer focus on the appropriate design rather than relying on a single technical "fix-all."
REST APIs
REST APIs are a strong fit for web apps, mobile apps, SaaS platforms, and cloud-based products. They are simple to use, easy to scale, and work well when your product needs fast and reliable data exchange between systems.
SOAP APIs
SOAP APIs are often used in enterprise, banking, insurance, healthcare, and compliance-heavy environments. They work well when the system needs a strict structure, secure transactions, and reliable data handling across complex business operations.
GraphQL APIs
Fetch the data you need-use GraphQL APIs- Front-end team uses GraphQL if their application doesn't want to load additional fields of data required to be fetched. It's the best solution for Mobile, dashboards, and data-rich applications.
We build APIs that fit your real business workflows, helping your apps, tools, and platforms share data smoothly without extra manual work.
We design APIs to match the product and the customer with how your business operates today. Whether it's building entirely new infrastructures or existing systems, we ensure your business is connected via scalable and secure links that complement your operations without needless complexity.
Many companies are suffering from disconnected applications. We aim to ensure that your CRMs, payment gateways, applications, 3rd party software, and dashboards are all connected so data streams freely and your employees aren't wasted entering data into other applications.
We produce REST APIs that are easy to consume, secure, and a joy for developers to work with. Our REST API development allows your websites, applications, and software to quickly share data.
A good API needs clear planning before development starts. We define the structure, endpoints, data flow, security, and documentation so your API is easy to use, easy to scale, and easier to maintain in the long run.
Old APIs can slow down your product and make every new integration harder. We improve existing APIs by cleaning up the structure, fixing performance issues, strengthening security, and making them ready for modern systems.
Every smooth mobile app depends on strong backend connections. We build APIs for logins, payments, bookings, notifications, profiles, maps, and real-time updates so users get a faster and more reliable app experience.
This feature means that you can give your application a real-world interface to cloud services, datastores, and cloud providers. Data storage, product scalability, and the new features your company demands will therefore be simplified.
Once your API is live, it needs regular visibility and control. We help manage traffic, access, usage limits, errors, and performance so your APIs stay stable even when more users and systems depend on them.
We test your APIs properly before launch, so they work as expected in real use. We also write clear documentation, so developers can understand the API faster and integrate it without confusion.
API integration should make your work simpler, not more complicated. The right API development services help your apps, tools, and platforms share data smoothly, stay secure, and keep working properly as your business grows.
Your team should not have to update the same information in five different places. API integration keeps customer data, orders, payments, reports, and app activity updated across all connected systems.
Good APIs need strong protection from the start. We set up secure access using API keys, tokens, user permissions, and authentication methods so only trusted users and systems can connect.
When something goes wrong, your team should know what happened quickly. Clear error logs help identify issues, reduce downtime, and make fixes easier before they affect more users.
As more people use your app or platform, your API needs to handle requests properly. Rate limits and traffic controls help prevent overload, misuse, and sudden performance drops.
The products that your API serves will grow and change, and so your API will have to adapt. The process of adding functionality or enhancing existing functionality is done in a way that does not break other systems that rely on your API through the process of versioning.
Before launch, APIs need to be tested in real situations. With custom API development services, we check speed, security, accuracy, and performance so the API works well for your actual business flow.
Crucially, you will need to know what the state of your API is while live. Monitoring services will observe usage, response time, error rates, traffic, etc. to ensure your API development and integration service continues functioning.
A practical tech stack built to support secure, scalable, and easy-to-manage API development, from backend frameworks and databases to cloud, authentication, testing, and monitoring tools.
Cloud & Platforms
Languages & Frameworks
Data & Messaging
DevOps & Observability
Technical Architecture
API integration should make your work simpler, not more complicated. The right API development services help your apps, tools, and platforms share data smoothly, stay secure, and keep working properly as your business grows.
Each delivery aligns with regulatory and industry frameworks relevant to the workload, including SOC 2, ISO 27001, GDPR, HIPAA, and PCI DSS.
United States
European Union
United Kingdom
Singapore
UAE
Hong Kong
Switzerland
Australia
Canada
Japan
SOC 2 Type II
Security, availability, confidentiality controls
ISO 27001
Information security management system
GDPR / UK GDPR
EU/UK data protection regulation
HIPAA
US healthcare data protection
PCI DSS
Payment card industry security
OWASP ASVS
Application security verification standard
NIST CSF
Cybersecurity framework
CIS Benchmarks
Secure configuration baselines
It is a simple process for understanding your requirements, designing the right API, integrating your systems securely, performing exhaustive tests, and supporting your APIs as your business grows.
Understanding Your Workflow
We start by learning how your product, users, tools, and data flows currently work. This helps us plan API development services that solve real business problems instead of creating another technical layer.
API Planning and Architecture
Once your requirements are clarified, we'll design the API's architecture, endpoints, data flow, security protocol, and method of integration, which is all conducive to clean development and straightforward scaling.
Custom API Development
Our developers will build your APIs by first considering the demands of your product; it might be web applications, mobile apps, a CRM, or payment services, among others. Custom API development revolves around creating reliable, natural-looking, and simple connections for secure integration.
Integration With Your Systems
We connect your API with third-party tools, databases, cloud platforms, and business applications. Our API development and integration services help your systems share data smoothly without manual updates or broken workflows.
Testing and Security Checks
Pre-launch, we conduct comprehensive stress testing of the API to assess speed, security, accuracy, and usage. We check for replies, permissions, error handling, and performance to ensure your API is fully ready to operate as intended.
Deployment and Ongoing Support
Post-launch, we will look after the monitoring, debugging, updates, and development for your API as your business grows. We keep your API up and running as you add new features, users, and integration points.
Full production network live in 16–24 weeks from engagement start.
Most businesses do not need more disconnected software. They need the tools they already use to share data properly. Our API development services help connect apps, platforms, dashboards, and third-party systems so teams can work faster and customers get a smoother experience.
We protect your APIs with strong security checks, access controls, testing, and regular audits so your data stays safe and your systems remain reliable.
Independent security audit partner
Penetration testing partner
Red-team & continuous offensive testing
Smart-contract & infra audits
Web & cloud security audits
Crowd-sourced vulnerability program
OWASP ASVS Level 2+ coverage on every shipped service
SAST + SCA + IaC scanning in every pipeline
Container image scanning with signed artifacts Cosign
Secrets management via Vault / KMS - no secrets in code
Encryption at rest AES-256 and in transit TLS 1.3+
Zero-trust network segmentation with service-mesh mTLS
Audit logging shipped to immutable storage WORM
Quarterly threat-model reviews and tabletop exercises
Enterprise-Grade Security
Bank-level encryption and compliance standards.
256-bit AES encryption
99.99% Uptime SLA
24/7 Monitoring
See Our AI Solutions in Action
Get a personalized live demo tailored to your exact use case, built by the same engineers who will work on your project.
See how Ment Tech compares with standard API providers, from custom API planning and secure development to smooth integrations, clear communication, and long-term support.
For production engineering targeting reliability and security, a single accountable senior pod outperforms vendor-stack and DIY on every dimension that compounds.
Case Study
Top-10 Open Banking Provider
Open Banking !
The Challenge
The open banking provider was managing heavy API traffic, but slow response times and missing developer tools were creating friction for enterprise integrators. They needed a faster, secure, PSD2/FAPI-ready API setup that could support scale without adding more support workload.
Our Solution
Ment Tech rebuilt the API layer with REST and GraphQL, stronger FAPI 2.0 security, mTLS, caching, and a Kong gateway. We also added clear API documentation and a self-serve developer portal so integrators could connect, test, and go live faster.
42ms ↗ From 380ms
API p99 latency
120M ↗ From 80M 1.5x
Daily API calls
94% ↗ From 0%
Integrator self-serve
Passed ↗Big-Four audit
FAPI 2.0 audit
78 ↗Post-launch
Developer portal NPS
99.98% ↗12 months post-launch
API uptime
ROI & Value
Understand how API development services can reduce manual work, improve system performance, speed up integrations, and create long-term value as your business grows.
Choose a flexible engagement model that fits your API development needs, whether you want a dedicated team, project-based delivery, or ongoing support for integrations, updates, and scaling.
API Development Services Sprint
Time-boxed senior engagement with a single accountable lead.
Teams shipping the first version
API Development Services Retainer
Monthly retainer with reserved senior capacity.
Teams with continuous roadmaps
API Development Services Advisory
Senior advisory and architecture pod without execution scope.
Teams with internal engineering or growth
What's Included in Every Engagement
Dedicated senior pod with single accountable lead
Weekly OKR review and dashboards
Shared Slack war-room with sub-4h response SLA
Documented runbooks and architecture decision records
Threat-modeling and security review on every release
Quarterly business review with executive summary
FAQ
Integrating with our own APIs connects all the applications, databases, platforms, and external tools that you already own, thus enabling your company to operate smoothly as it is currently doing while ensuring reduced manual data entry and Data consistency.
Still have questions?
Can’t find the answer you’re looking for? Our team is here to help.
Related Services
Mobile App Development
To have a good mobile application that runs well, it must have a stable back-end. Mobile applications need an API to facilitate logins, payments, bookings, notifications, user profiles, maps, and updates with live data. Without these, the user would be experiencing an unresponsive, non-functional flow on the application.
SaaS Application Development
When you develop a SaaS product, you will have several components that will need to communicate with each other, such as user accounts, billing, dashboards, reports, 3rd party connections, etc. API development services ensure that all these components seamlessly integrate together, making your product easy to administer, scale, and remain reliable for the long term.
Custom Software Development
Sometimes a generic approach causes more issues than benefits. For this reason, we develop bespoke software that complements how your business works, fitting in with how you and your employees already work with software. APIs achieve this, linking everything together behind the scenes so it's working in harmony.
Enterprise Software Development
A large workforce may need to simultaneously use the relevant CRMs, ERPs, financial applications, HR software, and internal dashboards. This enterprise software is built to allow communication between each different component via a secure API, so the employees can use current data and do their job, rather than wasting time doing redundant tasks.
Cloud Deployment
As your product grows, your APIs need a strong cloud setup behind them. We help deploy applications and APIs on cloud infrastructure that can handle more users, more data, and new features without slowing everything down.
Legacy App Modernization
Old systems do not always need to be removed. Many just need better connections and a cleaner structure. We update legacy applications with modern APIs so they can work with new platforms, cloud tools, and business software more easily.
Book a 30-minute strategy call. We'll diagnose your current state and propose an API Development Services engagement scoped to your timeline and budget.