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Integration and API Development Delivered by a certified Microsoft partner

Connect your systems.
Expose your data.
Stop rebuilding the same thing twice.

Armely designs, builds, and manages APIs that connect your business systems, expose your data to consumers, and form the integration layer your AI and automation investments depend on.

Book a Free Assessment See What We Do
API Types and When to Use Them

The right API design for the right job.

REST is the standard for 89 percent of enterprise APIs and Armely's default for most business integration work. We use GraphQL where data flexibility requirements justify it, gRPC for high-performance internal service communication, and SOAP where legacy systems demand it.

REST
REST APIs (Default)
The standard for business integration. Stateless, cacheable, and supported by every platform and toolchain. We deliver OpenAPI specifications alongside working code so every consumer has a contract to build against.
GraphQL
GraphQL APIs
When clients need to query complex, related data without multiple round trips. Appropriate where over-fetching from fixed REST endpoints creates performance or bandwidth problems.
gRPC
gRPC and Microservices
For high-throughput internal service communication where latency and payload size matter. Used in microservice architectures where services need to communicate at scale.
SOAP
SOAP and Legacy Integration
Where enterprise systems or regulated industry requirements specify SOAP. We also build REST wrapper APIs that expose legacy SOAP services to modern consuming applications.
API Delivery Stack
API Design and Build
OpenAPI SpecificationREST / GraphQL / gRPCASP.NET CorePython FastAPINode.js ExpressAutomated Testing
↕
Gateway and Management
Azure API ManagementRate LimitingOAuth 2.0API KeysAnalyticsDeveloper PortalMCP Server Support
↕
Security and Governance
Entra IDDLP PoliciesAudit LoggingIP AllowlistingSubscription Management
What Armely Delivers

API development across the full engagement lifecycle.

From a single integration connecting two systems to a managed API program governing dozens of endpoints.

API Design and Architecture
We design your API before writing code. OpenAPI specifications, data models, error schemas, authentication patterns, and versioning strategy are agreed and documented upfront.
Custom API Development
We build REST, GraphQL, and gRPC APIs in .NET, Python, and Node.js, with automated test suites, CI/CD pipelines, and deployment to Azure.
System Integration
We build the integration layer between your business systems, connecting ERP, CRM, databases, SaaS platforms, and third-party services through reliable, monitored API connections.
Azure API Management
We deploy and configure Azure API Management as the gateway for your API estate, including authentication enforcement, rate limiting, analytics, and developer portal setup.
AI-Ready API Infrastructure
We configure Azure API Management as an AI gateway for Azure OpenAI endpoints and AI agents, including token governance, semantic caching, and MCP server registration.
API Audit and Remediation
For organizations with existing APIs that lack documentation, versioning, or security controls, we conduct a structured audit and deliver a remediation plan.
The Armely API Delivery Process

From requirements to a production API your consumers can rely on.

APIs built without a specification upfront and security designed in from the start create technical debt that compounds every time a new consumer integrates.

01
Discovery
We document consumer requirements, data sources, authentication needs, and performance expectations before any design decisions are made.
Free
02
Specification
OpenAPI specification, data model, error schema, and versioning strategy produced and reviewed. Mock server available to consumer teams immediately.
Week 1
03
Build and Test
Implementation against the agreed specification with contract tests, unit tests, and security scanning integrated into the CI/CD pipeline from the start.
Weeks 2-5
04
Gateway and Launch
Deployed behind Azure API Management with authentication, rate limiting, and analytics configured. Developer portal and consumer documentation published.
Week 6
05
Support and Evolution
Ongoing monitoring, performance optimization, versioned updates that do not break existing consumers, and Armely support for new integration requirements.
Ongoing
Common Engagements

The integration and API problems we solve most frequently.

Most API engagements start with a specific business problem.

Connect Two Systems That Do Not Talk
CRM and ERP that require manual data re-entry. A field service platform and a billing system that require exports and imports. We build the API integration layer that eliminates the manual step.
Expose Data to External Consumers
A secure, documented API that allows customers, partners, or third-party applications to access your business data within defined permission boundaries.
Modernize a Legacy Integration
A SOAP service or point-to-point database integration with no documentation, no versioning, and no monitoring. We wrap it in a modern REST API and place it behind a gateway.
Build the API Layer for an AI Agent
AI agents need governed, authenticated access to business systems. We build and register the APIs that your Copilot Studio or Azure AI Foundry agents call.
Backend for a Mobile or Web Application
A secure, performant API backend designed API-first so the front-end team can build against a specification and mock server while the backend is in development.
API Estate Audit
Organizations with APIs accumulated over time often have endpoints without documentation, inconsistent authentication, and no versioning strategy.
Client Results

Real outcomes for real organizations.

Armely has delivered Microsoft platform and AI solutions for healthcare providers, school districts, energy operators, professional services firms, government agencies, and non-profit organizations.

Healthcare

Swope Health Services and UNMC: data platform and clinical workflow modernization on Microsoft Azure.

Education

Plano ISD: Microsoft 365 governance, SharePoint, and Power Platform implementations across district operations.

Energy

Oil and gas operators: OpenInvoice visibility and AP workflow automation through Invoice Lens.

Professional Services

Consulting and legal firms: Dynamics 365, Power Automate approval workflows, and AI knowledge agents.

Government

State and local agencies: Microsoft 365 Government deployment and compliance configuration.

Non-Profit

Social services organizations: Microsoft 365 optimization, Power BI grant reporting, and SharePoint governance.

Read Client Stories on armely.com
Why Armely

API development is only valuable if the API is reliable, documented, and maintainable.

Many organizations have APIs that work but are undocumented, have no versioning strategy, and would break consumers if changed.

  • OpenAPI-First on Every Engagement
    We write the specification before writing code. Consumer teams receive a documented contract and a mock server immediately. This is not optional for us.
  • Security Designed In, Not Added On
    Authentication, authorization, input validation, and rate limiting are designed into the API specification before implementation.
  • Native Microsoft Ecosystem Integration
    Our APIs integrate natively with Azure API Management, Microsoft 365, Dynamics 365, Power Platform, and Azure AI Foundry.
  • Versioning and Governance From Day One
    We implement a versioning strategy, deprecation policy, and API gateway configuration in the initial deployment.
Microsoft Authorized Partner

Armely's Microsoft partnership gives us certified access to Azure API Management, Azure Functions, Azure App Service, and the broader Azure integration platform.

89%
of enterprise organizations use REST as their primary API format (Postman, 2025)
#1
Azure API Management named a Gartner Magic Quadrant Leader, 2026
AI
Azure APIM now governs AI models, MCP servers, and agent-to-agent communication
0
APIs Armely delivers without an OpenAPI specification and versioning strategy
Get Started

Tell us the integration problem. We will design the API.

Book a free 30-minute discovery call. We will review your integration requirements and come back with an API architecture recommendation.

Free assessment, no commitment required
Recommendation and partner pricing included
Response within one business day
Book Your Free Assessment
Tell us about your situation.
No spam. No sales pressure. Just a useful conversation.

We Value Your Privacy

We use cookies to enhance your browsing experience, serve personalized content, and analyze our traffic. By clicking "Accept All", you consent to our use of cookies, see our privacy policy. You can manage your preferences by clicking "customize".