Best Practices

Best Practices for Building Reliable REST Integrations

Building a new integration using REST APIs requires more than simply wiring up endpoints. A well-designed integration must be reliable, scalable, maintainable, and resilient to failure. Following established REST best practices ensures systems remain performant under load, easy to evolve, and operationally stable.

This article outlines key principles and practical guidance for building high-quality REST integrations.

Keep Requests Small, Fast, and Purposeful

Large payloads, excessive query limits, and broad data fetches are common causes of degraded performance.

Best practices

• Request only the fields you actually need.
• Use pagination instead of large result sets.
• Avoid large limit values that return thousands of records per call.
• Prefer multiple small requests over fewer, extremely large ones.

Why it matters

Small, fast requests reduce server load, improve responsiveness, and protect system stability under sustained traffic.

Use Pagination and Filtering Correctly

APIs should never require clients to retrieve entire datasets.

Best practices

• Always implement pagination for list endpoints.
• Use filtering and query parameters to reduce result sizes.
• Support incremental data access patterns (e.g., timestamps).

Why it matters

Efficient pagination prevents excessive memory usage, slow responses, and cascading failures.