Reschedule a scheduled email

curl --request PATCH \
  --url https://api.mailkube.com/mta/v1/scheduled-emails/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "scheduled_at": "2026-08-22T09:00:00+02:00"
}
'

import requests

url = "https://api.mailkube.com/mta/v1/scheduled-emails/{id}"

payload = { "scheduled_at": "2026-08-22T09:00:00+02:00" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({scheduled_at: '2026-08-22T09:00:00+02:00'})
};

fetch('https://api.mailkube.com/mta/v1/scheduled-emails/{id}', 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.mailkube.com/mta/v1/scheduled-emails/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'scheduled_at' => '2026-08-22T09:00:00+02:00'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.mailkube.com/mta/v1/scheduled-emails/{id}"

	payload := strings.NewReader("{\n  \"scheduled_at\": \"2026-08-22T09:00:00+02:00\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api.mailkube.com/mta/v1/scheduled-emails/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"scheduled_at\": \"2026-08-22T09:00:00+02:00\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mailkube.com/mta/v1/scheduled-emails/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"scheduled_at\": \"2026-08-22T09:00:00+02:00\"\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "object": "scheduled_email",
  "status": "scheduled",
  "scheduled_at": "2023-11-07T05:31:56Z",
  "message_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "batch_id": "<string>",
  "subject": "<string>",
  "recipients": "[email protected] +2",
  "topic": "<string>",
  "tags": [
    {
      "name": "<string>",
      "value": "<string>"
    }
  ]
}

{
  "name": "missing_user_agent",
  "message": "A User-Agent header is required.",
  "statusCode": 400
}

{
  "name": "invalid_api_key",
  "message": "API key is invalid.",
  "statusCode": 403
}

{
  "name": "validation_error",
  "message": "<string>",
  "statusCode": 123
}

{
  "name": "validation_error",
  "message": "<string>",
  "statusCode": 123
}

{
  "name": "validation_error",
  "message": "<string>",
  "statusCode": 123
}

{
  "name": "invalid_idempotent_request",
  "message": "This Idempotency-Key was already used with a different payload.",
  "statusCode": 409
}

{
  "name": "validation_error",
  "message": "<string>",
  "statusCode": 123
}

{
  "name": "scheduled_email_not_pending",
  "message": "This email is no longer scheduled and cannot be modified.",
  "statusCode": 422
}

{
  "name": "rate_limit_exceeded",
  "message": "Too many requests. Please slow down.",
  "statusCode": 429
}

{
  "name": "application_error",
  "message": "An unexpected error occurred.",
  "statusCode": 500
}