POST Send Push to All Users With Matching Custom Attribute(s)

	$end_point = 'https://api.webpushr.com/v1/notification/send/attribute';
	$http_header = array( 
		"Content-Type: Application/Json", 
		"webpushrKey: <YOUR REST API KEY>", 
		"webpushrAuthToken: <YOUR AUTHENTICATION TOKEN>"
	);
	$req_data = array(
		'title' 			=> "Notification title", //required
		'message' 		=> "Notification message", //required
		'target_url'	=> 'https://www.webpushr.com', //required
		'attribute'		=> array('userEmail' => 'johndoe@example.com'), //required - in Key/Value Pair(s)
	);
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_HTTPHEADER, $http_header);
	curl_setopt($ch, CURLOPT_URL, $end_point );
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($req_data) );
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	$response = curl_exec($ch);
	echo $response;

import requests

headers = {
    'webpushrKey': '<YOUR REST API KEY>',
    'webpushrAuthToken': '<YOUR AUTHENTICATION TOKEN>',
    'Content-Type': 'application/json',
}

data = '{"title":"notification_title","message":"notification message","target_url":"https://www.webpushr.com","attribute":{"email":"johndoe@example.com"}}'

response = requests.post('https://api.webpushr.com/v1/notification/send/attribute', headers=headers, data=data)

var request = require('request');

var headers = {
    'webpushrKey': '<YOUR REST API KEY>',
    'webpushrAuthToken': '<YOUR AUTHENTICATION TOKEN>',
    'Content-Type': 'application/json'
};

var dataString = '{"title":"notification_title","message":"notification message","target_url":"https://www.webpushr.com","attribute":{"email":"johndoe@example.com"}}';

var options = {
    url: 'https://api.webpushr.com/v1/notification/send/attribute',
    method: 'POST',
    headers: headers,
    body: dataString
};

function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }
}

request(options, callback);

extern crate reqwest;
use reqwest::header;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let mut headers = header::HeaderMap::new();
    headers.insert("webpushrKey", "<YOUR REST API KEY>".parse().unwrap());
    headers.insert("webpushrAuthToken", "<YOUR AUTHENTICATION TOKEN>".parse().unwrap());
    headers.insert("Content-Type", "application/json".parse().unwrap());

    let res = reqwest::Client::new()
        .post("https://api.webpushr.com/v1/notification/send/attribute")
        .headers(headers)
        .body("{\"title\":\"notification_title\",\"message\":\"notification message\",\"target_url\":\"https://www.webpushr.com\",\"attribute\":{\"email\":\"johndoe@example.com\"}}")
        .send()?
        .text()?;
    println!("{}", res);

    Ok(())
}

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"strings"
)

func main() {
	client := &http.Client{}
	var data = strings.NewReader(`{"title":"notification_title","message":"notification message","target_url":"https://www.webpushr.com","attribute":{"email":"johndoe@example.com"}}`)
	req, err := http.NewRequest("POST", "https://api.webpushr.com/v1/notification/send/attribute", data)
	if err != nil {
		log.Fatal(err)
	}
	req.Header.Set("webpushrKey", "<YOUR REST API KEY>")
	req.Header.Set("webpushrAuthToken", "<YOUR AUTHENTICATION TOKEN>")
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		log.Fatal(err)
	}
	bodyText, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%s\n", bodyText)
}

{
    "status": "failure",
    "type" : "header_invalid",
    "description": "Missing webpushrKey in header"
}

{
    "status": "failure",
    "type" : "bad_request",
    "description": "Invalid JSON request"
}

{
    "status": "failure",
    "type" : "authentication_failure",
    "description": "You are not authorized"
}

{
    "status": "failure",
    "type" : "rate_limit",
    "description": "Too many requests"
}

{
    "status": "failure",
    "description": "Something went wrong. Please try again after some time"
}

{
    "status": "failure",
    "type": "missing_parameter",
    "description": "Missing required parameter title"
}

{
    "status": "failure",
    "type": "invalid_format",
    "description": "Schedule date must be in valid format YYYY-MM-DD HH:MM +0"
}

{
    "status": "failure",
    "type": "invalid_format",
    "description": "Please provide the valid format for expire_push perameter."
}

{
    "status": "failure",
    "type": "invalid_value",
    "description": "Schedule date must be at least 5 minutes in future"
}

{
    "status": "failure",
    "type": "invalid_value",
    "description": "Invalid parameter 'action_buttons' values"
}

{
    "status": "failure",
    "type": "invalid_type",
    "description": "Parameter action_buttons must be an array"
}