How to do a simple GraphQL query in a native Ruby script

Question

I'm trying to figure out how to do a simple GraphQL query without using gems. The following cURL commands works

curl -X POST "https://gql.example.com/graphql/public" \ -H "Authorization: Bearer <ACCESS_TOKEN>" \ -H "Content-Type: application/json" \ -d '{ "query": "query { user { id defaultEmail } }", "variables": {} }'

and the corresponding javascript code is

fetch('https://gql.example.com/graphql/public', { method: 'POST', headers: { 'Authorization': 'Bearer <ACCESS_TOKEN>', 'Content-Type': 'application/json', }, body: JSON.stringify({ query: 'query { user { id defaultEmail } }', variables: {} }) }) .then(r => r.json()) .then(data => console.log(data));

Is it possible to do this easily in Ruby without using the graphql gem? I only need to do simple queries like the examples above so I'm hoping it's easy to do them in a single Ruby script.

You can try using Faraday gem but is same like this

Juanse Gimenez
– Juanse Gimenez

2021-01-11 03:00:40 +00:00
Commented Jan 11, 2021 at 3:00 — Juanse Gimenez
– Juanse Gimenez, Commented Jan 11, 2021 at 3:00

lacostenycoder · Accepted Answer · 2021-01-11 04:10:05Z

You can use Ruby core lib Net/HTTP and build your requests like so:

require 'net/http' uri = URI('https://gql.example.com/graphql/public') params = {'query': 'query { user { id defaultEmail } }', 'variables': {} } headers = { "Authorization'=>'Bearer #{ENV['MY_ACCESS_TOKEN']}", 'Content-Type' =>'application/json', 'Accept'=>'application/json' } https = Net::HTTPS.new(uri.host, uri.port) response = https.post(uri.path, params.to_json, headers)

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