REST API
A web service architecture that uses standard HTTP methods (GET, POST, PUT, DELETE) and JSON payloads to allow systems to communicate and exchange data.
REST (Representational State Transfer) is an architectural style for building web APIs. A REST API exposes resources (customers, invoices, orders, contacts) as URLs (endpoints) and allows clients to interact with them using standard HTTP verbs: GET to retrieve data, POST to create a new record, PUT or PATCH to update an existing record, and DELETE to remove one. Data is typically exchanged as JSON.
In the context of Zoho and NetSuite implementations, REST APIs are the primary mechanism for integrating these platforms with external systems: payment gateways, logistics providers, e-commerce platforms, mobile apps, and custom internal tools. Every major Zoho app exposes a REST API, as does NetSuite (via SuiteTalk REST and RESTlets).
Pagination is a critical design consideration for REST API integrations. An API returning a list of invoices will not return all 50,000 records in one response. It returns them in pages (e.g., 200 at a time) with a cursor or offset parameter to fetch the next page. An integration that does not handle pagination will silently drop records after the first page, a bug that is often not noticed until a data audit.
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