Сustom API Development Services

Сustom API Development Services - ScienceSoft

Custom API development services help businesses ease cooperation and data sharing of their custom applications with each other or with third-party applications. Custom API solutions allow for simplifying and accelerating shared workflows and creating personalized customer and partner experiences.

A software engineering company with 31 years of experience in IT, ScienceSoft designs, secures, deploys, integrates and manages APIs for custom applications to enable the smoothest end-to-end user experience.

Expertise - ScienceSoft

End-to-end API development.


Expertise - ScienceSoft

Mature testing and QA:

  • 31 years in testing
  • Experience with web service / API testing (including the high level of automation).

Expertise - ScienceSoft

All-level security configuration and monitoring (infrastructure, application logic, security testing, compliance):

  • 16 years in cybersecurity (including API penetration testing).
  • Certified ethical hackers in the team.

Expertise - ScienceSoft

Hands-on experience in 26 industries (including healthcare, manufacturing, retail, telecoms, finance and more).

ROI-driven design

Our BAs consider API features and business processes together to ensure the max ROI of APIs we deliver.

Incremental development

We follow an evolutionary approach to API development and let API functionality evolve safely.

High reliability and stability

We embed a capability for performance monitoring and management in the API solution architecture to take care of performance spikes and issues without disruptions and slowdowns in your critical business processes.

Risk-based approach

We envisage human intervention for approval and correction of high-risk API operations (e.g., when a purchase order exceeds the threshold), as well as ensure complete manual processing for the operations transactions that cannot be safely standardized.

Ease of use

For external developers to better understand, use and integrate APIs we deliver, we provide comprehensive, structured API documentation, envisage informative error messages and secure high API availability.

Worried Whether Your API Investments Will Bring a Sound Return?

ScienceSoft’s BAs can conduct a comprehensive cost/benefit analysis considering API features and business processes so that you could make the right decision regarding API development or/and integration.


Programming languages

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Click on the technology to learn about our capabilities in it.


Click on the technology to learn about our capabilities in it.

Real-time data processing

Apache Spark Streaming
Apache Storm
Apache Kafka Streams
Amazon Kinesis
Azure Event Hubs
Azure Stream Analytics

Cloud databases (DBaaS)

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Amazon S3
Amazon DocumentDB
Amazon Relational Database Service
Amazon ElastiCache


Azure Data Lake
Azure Blob Storage
Azure SQL Database

Google Cloud Platform

Google Cloud SQL
Google Cloud Datastore

Databases / data storages


Microsoft SQL Server


Apache NiFi


Red Hat OpenShift
Apache Mesos
HashiCorp Terraform
HashiCorp Packer
AWS Developer Tools
Azure DevOps
Google Developer Tools
GitLab CI/CD


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API Consulting

API Design and Implementation

API Management

End-to-end API Implementation and Support

Plan an API that perfectly corresponds to your business needs and goals and brings max revenue.

Get a scalable, trusted and easy-to-use API designed, implemented, and smoothly integrated with back-end services.

Have your APIs high-performing and stable on a daily basis with an eye on scalability.

Get your API designed, developed, integrated with back-end solutions and continuously supported for smooth and safe work.

Up to 60% of from-scratch API integrations are implemented under 2 months

In about 8 weeks, you can get fully functional APIs and win back lost transparency and order to your internal and shared business processes, automate them and stop wasting time and money on effort duplication and error-prone manual efforts.

Start Your API Journey Now!

Rely on ScienceSoft’s team to build API that will integrate workflows fast and securely, growing revenues and improving partner and customer experiences.