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GraphQL API Integration on a Golang Project

There are many GraphQL client written in golang. machinebox/graphql is a Low-level GraphQL client for Go.

This client is,

  1. Simple, familiar API
  2. Respects context.Context timeouts and cancellation
  3. Build and execute any kind of GraphQL request
  4. Use strong Go types for response data
  5. Use variables and upload files
  6. Simple error handling

Installation​

Make sure you have a working Go environment. To install graphql, simply run:

$ go get github.com/machinebox/graphql

Usage​

note

Always remember to replace API_SECRET with the correct value that you copied from apito console. Go to this page if you do not know where to find your api secrets for your project

import "context"

// create a client (safe to share across requests)
client := graphql.NewClient("https://api.apito.io/secured/graphql")

// make a request
req := graphql.NewRequest(`
    query ($key: String!) {
        items (id:$key) {
            field1
            field2
            field3
        }
    }
`)

// set any variables
req.Var("key", "value")

// set header fields
req.Header.Set("Authorization", "Bearer API_SECRET")

// define a Context for the request
ctx := context.Background()

// run it and capture the response
var respData ResponseStruct
if err := client.Run(ctx, req, &respData); err != nil {
    log.Fatal(err)
}