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Coexis TechEnterprise Software
Connected SystemsEnterprise Engineering Service

Connect the Systems Your Business Relies On

Bridging isolated software platforms, financial tools, and third-party services with secure API connectors.

Businesses often rely on multiple specialized software tools—accounting software, payment processors, logistics couriers, biometric devices, and legacy databases. When these systems cannot communicate, teams spend hours re-typing numbers into multiple screens. We engineer secure, documented API adapters and synchronization services that unite your disparate platforms.

SERVICE SCOPE

Specialized Technical Capabilities

Our engineering scope covers architecture, UI design, secure backend development, integration, and lifecycle maintenance.

01

RESTful API Engineering

Designing clean, standardized API endpoints with comprehensive authentication and validation.

02

Payment & Financial Webhooks

Connecting payment gateways, automated bank reconciliation, and accounting ledgers.

03

Third-Party Logistics & Courier Sync

Automating tracking updates, pickup requests, and dispatch manifests with courier partners.

04

Data Migration & ETL Pipelines

Extracting, transforming, and loading historical records between aging databases and modern platforms.

05

Authentication & Token Security

Implementing OAuth2, API key rotation, rate-limiting, and encrypted payload transmission.

METHODOLOGY

How We Deliver This Service

1

Interface Discovery

Inspecting the API capabilities, data formats, and endpoints of the systems to connect.

2

Schema Mapping

Defining data field translations, validation rules, and error handling behaviors.

3

Connector Development

Building the microservices, webhook listeners, and scheduled sync jobs.

4

Testing & Monitoring

Simulating network dropouts, validating payload accuracy, and establishing health monitoring.

PROJECT ARTIFACTS

What You Receive

Custom integration microservices and webhooks
Complete API documentation and request/response specifications
Automated error logging and notification handlers
Data validation and sanitization layers
Technologies Applied
Node.jsExpressNext.js APITypeScriptRESTJSONWebhook Handlers
FREQUENTLY ASKED QUESTIONS

Questions About Our API & System Integration

Clear details on project scope, ownership, security, and delivery expectations.

Yes, depending on whether the legacy system supports direct database connections, exported CSV/XML feeds, or custom ODBC bridges, we can architect secure intermediary sync services.
START A PROJECT

Discuss Your API & System Integration Project

Share your requirements and operational priorities. Our team will review your enquiry and discuss the next step.

Direct review by engineering leadership

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