Request Random Numbers
curl --request POST \
--url https://0xcord.com/api/vrfv2/requestRandomNumber \
--header 'Authorization: <api-key>'import requests
url = "https://0xcord.com/api/vrfv2/requestRandomNumber"
headers = {"Authorization": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: '<api-key>'}};
fetch('https://0xcord.com/api/vrfv2/requestRandomNumber', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://0xcord.com/api/vrfv2/requestRandomNumber",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"Authorization: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://0xcord.com/api/vrfv2/requestRandomNumber"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("Authorization", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://0xcord.com/api/vrfv2/requestRandomNumber")
.header("Authorization", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://0xcord.com/api/vrfv2/requestRandomNumber")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": {
"success": true,
"requestId": "<string>",
"transactionHash": "<string>",
"url": "<string>",
"randomNumber": [
{}
]
}
}Chainlink VRF V2
Request Random Numbers
API endpoint for requesting random numbers from Chainlink VRF V2
POST
/
api
/
vrfv2
/
requestRandomNumber
Request Random Numbers
curl --request POST \
--url https://0xcord.com/api/vrfv2/requestRandomNumber \
--header 'Authorization: <api-key>'import requests
url = "https://0xcord.com/api/vrfv2/requestRandomNumber"
headers = {"Authorization": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: '<api-key>'}};
fetch('https://0xcord.com/api/vrfv2/requestRandomNumber', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://0xcord.com/api/vrfv2/requestRandomNumber",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"Authorization: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://0xcord.com/api/vrfv2/requestRandomNumber"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("Authorization", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://0xcord.com/api/vrfv2/requestRandomNumber")
.header("Authorization", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://0xcord.com/api/vrfv2/requestRandomNumber")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": {
"success": true,
"requestId": "<string>",
"transactionHash": "<string>",
"url": "<string>",
"randomNumber": [
{}
]
}
}Params
string
default:"fantom_testnet"
required
The blockchain network to retrieve random numbers from
integer
default:"1"
required
The quantity of random numbers to retrieve from Chainlink
integer
default:"1"
The number of block confirmations required before returning data
string
The Keccak256 hash of a unique parameter
Response
object
Chainlink VRF V2 Tutorial
Learn how to integrate Chainlink VRF V2 with 0xCord

