The quickest way to start building on Fuel with Quicknode is by sending a GraphQL request to your endpoint. In this quickstart, you'll create an endpoint, copy its provider URL, and make your first request. Code samples are available in cURL as well as other popular programming languages.
Get Your Fuel Endpoint
Créer un Quicknode
Inscrivez-vous ici si ce n'est pas déjà fait.
Accédez à votre tableau de bord
Ouvrez le tableau de bord « Endpoints » dans le menu de la barre latérale gauche pour gérer tous vos points de terminaison blockchain.
Créer un nouveau endpoint
Click Create an Endpoint in the top-right corner, select Fuel as your blockchain, then select your preferred network
Copiez les URL de vos fournisseurs
Gardez l'URL HTTP à portée de main. Vous en aurez besoin dans les requêtes ci-dessous.
Pour découvrir en détail le Quicknode , consultez notre guide
Envoyez votre première demande
Your endpoint is ready. Now, let's make your first call to the Fuel blockchain. We'll use the getChainName query, which retrieves the name of the blockchain network. Select your preferred language and follow the steps below to send your first request.
- cURL
- Node.js
Python- TypeScript
- Apollo Client
- Ruby
Vérifier l'installation de cURL
La plupart des systèmes basés sur *nix prennent en charge cURL dès leur installation. Ouvrez votre terminal et vérifiez la version de cURL en exécutant la commande ci-dessous :
curl --version
Get chain name
Retrieve the chain name using the getChainName query:
curl --location 'YOUR_QUICKNODE_ENDPOINT_URL/v1/graphql' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data '{"query": "{ chain { name } }"}'
Configurez votre projet
Create a directory and initialize a Node.js project:
mkdir fuel-js-quickstart
cd fuel-js-quickstart
npm init -y
Create app.js
Create a file named app.js to call the getChainName query:
const https = require('https');
const data = JSON.stringify({
"query": "{ chain { name } }"
});
const options = {
hostname: '{your-endpoint-name}.quiknode.pro',
path: '/{your-token}/v1/graphql',
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
'Content-Length': data.length
}
};
const req = https.request(options, (res) => {
let result = '';
res.on('data', (chunk) => {
result += chunk;
});
res.on('end', () => {
console.log('Chain name:', result);
});
});
req.on('error', (error) => {
console.error('Error:', error);
});
req.write(data);
req.end();
Run
Execute your script:
node app.js
Configurez votre projet
Créez un nouveau répertoire pour votre projet Python :
mkdir fuel-python-quickstart
cd fuel-python-quickstart
Créer et activer un environnement virtuel
Créer un environnement virtuel pour gérer les dépendances :
python3 -m venv venv
source venv/bin/activate
Demandes d'installation
Installez la bibliothèque « requests » pour effectuer des requêtes HTTP :
pip installer requests
Créez un script Python (app.py)
Create a Python file to call the getChainName query:
import requests
import json
url = "YOUR_QUICKNODE_ENDPOINT_URL/v1/graphql"
payload = json.dumps({
"query": "{ chain { name } }"
})
headers = {
'Accept': 'application/json',
'Content-Type': 'application/json'
}
response = requests.request("POST", url, headers=headers, data=payload)
print('Chain name:')
print(response.text)
Run
Execute your script:
python app.py
Configurez votre projet
Create a directory and initialize a TypeScript project:
mkdir fuel-ts-quickstart
cd fuel-ts-quickstart
npm init -y
npm install typescript @types/node tsx
npx tsc --init
Create app.ts
Create a file named app.ts to call the getChainName query:
import https from 'https';
interface GraphQLResponse {
data: {
chain: {
name: string;
};
};
}
const data = JSON.stringify({
query: "{ chain { name } }"
});
const options: https.RequestOptions = {
hostname: '{your-endpoint-name}.quiknode.pro',
path: '/{your-token}/v1/graphql',
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
'Content-Length': data.length
}
};
const req = https.request(options, (res) => {
let result = '';
res.on('data', (chunk: Buffer) => {
result += chunk.toString();
});
res.on('end', () => {
const response: GraphQLResponse = JSON.parse(result);
console.log('Chain name:', response.data.chain.name);
});
});
req.on('error', (error: Error) => {
console.error('Error:', error);
});
req.write(data);
req.end();
Run
Execute your script:
npx tsx app.ts
Configurez votre projet
Create a directory and install Apollo Client:
mkdir fuel-apollo-quickstart
cd fuel-apollo-quickstart
npm init -y
npm install @apollo/client graphql cross-fetch
Create app.js
Create a file named app.js to query using Apollo Client:
const { ApolloClient, InMemoryCache, gql, HttpLink } = require('@apollo/client');
const fetch = require('cross-fetch');
const client = new ApolloClient({
link: new HttpLink({
uri: 'YOUR_QUICKNODE_ENDPOINT_URL/v1/graphql',
fetch,
}),
cache: new InMemoryCache(),
});
const GET_CHAIN_NAME = gql`
query GetChainName {
chain {
nom
}
}
`;
client
.query({
query: GET_CHAIN_NAME,
})
.then((result) => {
console.log('Chain name:', result.data.chain.name);
})
.catch((error) => {
console.error('Error:', error);
});
Run
Execute your script:
node app.js
Configurez votre projet
Créez un nouveau répertoire pour votre projet Ruby :
mkdir fuel-ruby-quickstart
cd fuel-ruby-quickstart
Vérifier l'installation de Ruby
Vérifiez que Ruby est bien installé sur votre système. Si ce n'est pas le cas, installez-le à partir du site https://ruby-lang.org :
ruby --version
Create a Ruby script (app.rb)
Create an app.rb file to call the getChainName query:
require "uri"
require "json"
require "net/http"
url = URI("YOUR_QUICKNODE_ENDPOINT_URL/v1/graphql")
https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Accept"] = "application/json"
request["Content-Type"] = "application/json"
request.body = JSON.dump({
"query": "{ chain { name } }"
})
response = https.request(request)
result = JSON.parse(response.read_body)
puts "Chain name:"
puts result["data"]["chain"]["name"]
Exécutez le script
Execute your Ruby script:
ruby app.rb
If you want to continue learning about making API requests, check out our guides and sample apps.