API & System Integrations
StringLogix builds custom APIs and system integrations that connect your business tools, platforms and data sources — replacing manual data transfers, broken exports and disconnected systems with reliable, automated data flows between the tools your business depends on.
What We Deliver
Custom API development, third-party integrations and data synchronisation between business systems.
Who It's For
For businesses with multiple tools that do not talk to each other, or systems that need to share data reliably.
Companies running separate CRM, ERP, accounting, e-commerce and support tools that need to share data.
Software businesses adding integrations to partner platforms, payment providers and third-party tools.
Online retailers connecting their store to logistics, accounting, inventory and marketing tools.
IT departments needing a reliable integration layer between legacy systems and modern platforms.
Companies needing clean, reliable data flows between platforms for accurate reporting and automation.
Our Approach
We design the data model and integration contract before writing any code or configuration.
We document the systems involved, data flows, transformation rules and failure modes before designing.
API contracts and data schemas are agreed and documented before development begins.
Built with full error handling, retry logic, logging and tested against real system environments.
Deployed with error monitoring, alerting and full technical documentation for your team.
What You Get
Clear deliverables, full IP ownership and documented handover on every project.
| Deliverable | Detail | Deliverable | Detail | Deliverable | Detail |
|---|---|---|---|---|---|
| Source Code | Full ownership transferred | API Docs | OpenAPI / Swagger docs | Data Maps | Field mapping documentation |
| Error Handling | Retry & alert logic | Monitoring | Integration health alerts | Hosting | German / EU options available |
| Credentials | All API keys documented | Testing | Integration test suite | Support | Post-launch monitoring available |