Type of API's

RESTful API (Architectural pattern)

• Most common API
• Uses JSON
• Has a defined structure in request
• Use of HTTP (GET, POST, etc..)

GraphQL

• Newcomer on the scene
• Uses a custom query language
• Single endpoint powers all of the API

Others

• Standalone JSON calls
• Web-socket are also used as API's'

Methods

• GET
• HEAD
• POST
• PUT
• DELETE
• CONNECT
• OPTIONS
• TRACE
• PATCH

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