Glossary

What is REST API?

Q: What are common misconceptions about REST API?

Common misconceptions include: REST is a formal standard. Actually, REST is an architectural style with guidelines, not a strict specification, which is why implementations vary. Also, REST APIs are always the best choice. Actually, GraphQL, gRPC, and other patterns may be better suited for specific use cases..

Representational State Transfer API — a widely-used architectural style for web APIs that uses HTTP methods (GET, POST, PUT, DELETE) to interact with resources at specific URLs.

Discuss With Us Back to Glossary

In Depth

Understanding the Details

REST APIs are the most common way applications communicate over the internet. They treat everything as a resource (a user, an order, a product) accessible at a URL endpoint, and use HTTP methods to interact with those resources: GET to read, POST to create, PUT to update, DELETE to remove. REST's popularity comes from its simplicity and alignment with how the web already works. For SaaS integrations, REST APIs are what you'll encounter most often — Stripe, HubSpot, Slack, and thousands of other tools provide REST APIs. Understanding REST patterns, authentication methods, and rate limit handling is essential for building reliable integrations.

Examples

How It Works in Practice

CRM integration

A GET request to /api/contacts retrieves contact records, POST to /api/contacts creates a new one, and PUT to /api/contacts/123 updates an existing record.

Payment processing

Stripe's REST API handles subscription creation, invoice retrieval, and payment method management through well-documented endpoints.

Third-party data access

An application queries a REST API to pull enrichment data for leads, handling pagination, rate limits, and authentication tokens.

Importance

Why It Matters

REST APIs are the lingua franca of modern software integration. Understanding how they work is essential for connecting your tech stack and building on third-party platforms.

Misconceptions

What People Often Get Wrong

REST is a formal standard. Actually, REST is an architectural style with guidelines, not a strict specification, which is why implementations vary.

REST APIs are always the best choice. Actually, GraphQL, gRPC, and other patterns may be better suited for specific use cases.

REST means JSON. Actually, REST is format-agnostic, though JSON has become the de facto standard for REST API payloads.

Our Approach

How We Handle REST API

We build and consume REST APIs with proper authentication, rate limit handling, error recovery, and documentation that make integrations reliable and maintainable.