What is REST API?
A REST API is a web API style that uses standard HTTP methods and URLs to read and modify resources, usually exchanging data as JSON.
Definition
REST (Representational State Transfer) is an architectural style for web APIs in which each piece of data is treated as a resource addressable by a URL. Clients interact with those resources using standard HTTP verbs such as GET to read, POST to create, PUT or PATCH to update, and DELETE to remove. REST APIs are stateless, meaning each request carries all the information needed to process it, which makes them simple to scale and cache. JSON is the most common data format, and the approach has become the default for cloud software integration because it is lightweight and widely supported.
How REST API Works in ERP
Cloud ERP vendors commonly publish REST APIs so developers can retrieve and update records like sales orders or items using familiar HTTP calls. A connected web store might POST a new order to the ERP's order endpoint, then later GET its fulfilment status. Because REST relies on standard web protocols, integrations can be built in almost any programming language with minimal tooling. REST APIs usually sit alongside or replace older SOAP web services in modern ERP platforms.
ERP Vendors with Strong REST API
Frequently Asked Questions
What is the difference between REST and SOAP?
SOAP is an older, stricter protocol that uses XML and formal contracts, while REST is a lighter style that uses standard HTTP and usually JSON, making it simpler to build and consume for most web integrations.
Is a REST API secure?
REST APIs are secured with transport encryption (HTTPS) plus authentication mechanisms such as OAuth tokens or API keys; the style itself does not provide security, so it must be configured correctly.