API DEVELOPMENT & SYSTEM INTEGRATION
Build secure APIs, webhook integrations, and data sync for CRM, ERP, ecommerce, and business software with retries, monitoring, and access controls.
Keep applications in sync without fragile manual steps.
We design secure APIs, integrations, webhook processors and background jobs between SaaS tools, internal databases, ERP, CRM and ecommerce systems. The focus is dependable data exchange and visibility when something fails.
Integrations are defined by their contracts, failure conditions and source-of-truth rules. We build for delayed events, rate limits, changed schemas and partially completed workflows rather than assuming each request succeeds immediately.
CUSTOMIZED FOR YOU: REST or GraphQL interfaces, identity, transformation, queueing, retry strategy, audit logs and provider limits.
TECHNOLOGIES WE CAN USE: Node.js · Python · Django · REST · GraphQL · PostgreSQL · Redis · RabbitMQ · OpenAPI. We choose the stack for your requirements, rather than forcing a fixed set of tools.
A team copying 120 orders per month between two systems for four minutes each spends eight hours on repeated transfer work that integration could target.
This is an illustrative calculation of manual effort, not a client case study or guaranteed time saving. Actual impact depends on your workflow.SPECIFIC. USEFUL. CUSTOM.
API specifications, contracts, validation and authentication
↗Webhook handlers, connectors and asynchronous task processing
↗Error queues, tracing and data reconciliation workflows
↗Integration documentation, monitoring and test harnesses
↗We define the features, integrations, timeline, cost, and handover around your business process before starting work. Discuss your project with the team.
FROM PROBLEM TO WORKING SYSTEM.
Define contracts and who owns each record
We list the events and fields each system produces or consumes and reconcile conflicting identifiers. API contracts include validation errors, versioning and permissions.
What we validate
- Document the source of truth for customers, inventory and orders
- Specify rate limits, pagination and changes over time
- Define what happens when records cannot be matched
Engineer safe retries and reconciliation
Network timeouts do not tell you whether the remote system completed an action. Idempotency keys, durable queues and reconciliation prevent retry storms and duplicate orders.
What we validate
- Test duplicate and out-of-order webhooks
- Use bounded retries and dead-letter handling
- Expose sync health and last-success timestamps
Secure and operate the integration
Secrets are stored outside source code, access is restricted and logs avoid leaking credentials or personal data. We establish ownership of provider accounts and a recovery runbook.
What we validate
- Rotate and scope credentials
- Audit sensitive actions
- Define escalation when a provider changes its API
Implementation starts with the business problem, continues through architecture reviews and ends with tested deployment and documentation. Explore our engineering guides ↗
THE PRACTICAL DETAILS.
What should we build first for custom api development & third-party software integrations?
We start with the core business task, users, integrations and constraints, then agree on a testable release. Our api development & system integration approach includes real acceptance criteria rather than an assumed feature list.
Which technology stack is appropriate?
We may evaluate Node.js, Python, Django, REST, GraphQL depending on the requirements. The final stack follows security, expected load, integrations and long-term maintainability.
What about integration, testing and launch?
We inspect the tools and API access before promising a connection. We plan data validation, permissions, failure handling, testing, deployment, monitoring and handover. Scope, timing and costs are discussed after discovery.