Getting Started With GraphQL

Intro to GraphQL: A Query Language for APIs


GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.

The Big Heading

A Query Language for your APIs

Rest Refresher


Entities served by the API


Mapping, HTTP…

PUT: Replace

GET: Retrieve a collection or entity



Hypermedia As The Engine Of Application State

Richardson’s Maturity Model for Rest APIs

Some GraphQL Code

GraphQL Query
  file(relativePath: { eq: "hero.jpg" }) {
  users {
    posts {

Emoji Support

emoji-100 emoji-+1 emoji-confetti_ball emoji-boom emoji-fire emoji-tada

Tweet Cards

This is an example of embedding a single tweet card. Add any markdown as you normally do, and then insert a valid Tweet link anywhere to automatically transform it into an embed card.

You can embed several tweets

I’m an inline-style link

Look, A mermaid

sequenceDiagram participant Alice participant Bob Alice->John: Hello John, how are you? loop Healthcheck John->John: Fight against hypochondria end Note right of John: Rational thoughts
prevail... John-->Alice: Great! John->Bob: How about you? Bob-->John: Jolly good!

Look at this Video:

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