curl --request POST \
  --url https://api.example.com/v1/inbox/webhook \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data 'to=<string>' \
  --data 'cc=<string>' \
  --data 'from=<string>' \
  --data 'subject=<string>' \
  --data 'text=<string>' \
  --data 'html=<string>' \
  --data 'email=<string>' \
  --data 'SPF=<string>' \
  --data attachments=123 \
  --data 'headers=<string>'

import requests

url = "https://api.example.com/v1/inbox/webhook"

payload = {
    "to": "<string>",
    "cc": "<string>",
    "from": "<string>",
    "subject": "<string>",
    "text": "<string>",
    "html": "<string>",
    "email": "<string>",
    "SPF": "<string>",
    "attachments": "123",
    "headers": "<string>"
}
headers = {"Content-Type": "application/x-www-form-urlencoded"}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/x-www-form-urlencoded'},
  body: new URLSearchParams({
    to: '<string>',
    cc: '<string>',
    from: '<string>',
    subject: '<string>',
    text: '<string>',
    html: '<string>',
    email: '<string>',
    SPF: '<string>',
    attachments: '123',
    headers: '<string>'
  })
};

fetch('https://api.example.com/v1/inbox/webhook', 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://api.example.com/v1/inbox/webhook",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "to=%3Cstring%3E&cc=%3Cstring%3E&from=%3Cstring%3E&subject=%3Cstring%3E&text=%3Cstring%3E&html=%3Cstring%3E&email=%3Cstring%3E&SPF=%3Cstring%3E&attachments=123&headers=%3Cstring%3E",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.example.com/v1/inbox/webhook"

	payload := strings.NewReader("to=%3Cstring%3E&cc=%3Cstring%3E&from=%3Cstring%3E&subject=%3Cstring%3E&text=%3Cstring%3E&html=%3Cstring%3E&email=%3Cstring%3E&SPF=%3Cstring%3E&attachments=123&headers=%3Cstring%3E")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/v1/inbox/webhook")
  .header("Content-Type", "application/x-www-form-urlencoded")
  .body("to=%3Cstring%3E&cc=%3Cstring%3E&from=%3Cstring%3E&subject=%3Cstring%3E&text=%3Cstring%3E&html=%3Cstring%3E&email=%3Cstring%3E&SPF=%3Cstring%3E&attachments=123&headers=%3Cstring%3E")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/inbox/webhook")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/x-www-form-urlencoded'
request.body = "to=%3Cstring%3E&cc=%3Cstring%3E&from=%3Cstring%3E&subject=%3Cstring%3E&text=%3Cstring%3E&html=%3Cstring%3E&email=%3Cstring%3E&SPF=%3Cstring%3E&attachments=123&headers=%3Cstring%3E"

response = http.request(request)
puts response.read_body

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}