curl --request POST \
  --url https://api.zenamu.com/v1/clients/credits/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sendEmail": false,
  "items": [
    {
      "clientId": 123,
      "customEntryCount": {
        "count": 10,
        "validityTimeValue": 1,
        "validityTimeUnit": "month"
      },
      "currency": "CZK",
      "price": 0
    },
    {
      "clientId": 456,
      "customEntryCount": {
        "count": 10,
        "validityTimeValue": 1,
        "validityTimeUnit": "month"
      },
      "currency": "CZK",
      "price": 0
    }
  ]
}
'

import requests

url = "https://api.zenamu.com/v1/clients/credits/bulk"

payload = {
    "sendEmail": False,
    "items": [
        {
            "clientId": 123,
            "customEntryCount": {
                "count": 10,
                "validityTimeValue": 1,
                "validityTimeUnit": "month"
            },
            "currency": "CZK",
            "price": 0
        },
        {
            "clientId": 456,
            "customEntryCount": {
                "count": 10,
                "validityTimeValue": 1,
                "validityTimeUnit": "month"
            },
            "currency": "CZK",
            "price": 0
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    sendEmail: false,
    items: [
      {
        clientId: 123,
        customEntryCount: {count: 10, validityTimeValue: 1, validityTimeUnit: 'month'},
        currency: 'CZK',
        price: 0
      },
      {
        clientId: 456,
        customEntryCount: {count: 10, validityTimeValue: 1, validityTimeUnit: 'month'},
        currency: 'CZK',
        price: 0
      }
    ]
  })
};

fetch('https://api.zenamu.com/v1/clients/credits/bulk', 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.zenamu.com/v1/clients/credits/bulk",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'sendEmail' => false,
    'items' => [
        [
                'clientId' => 123,
                'customEntryCount' => [
                                'count' => 10,
                                'validityTimeValue' => 1,
                                'validityTimeUnit' => 'month'
                ],
                'currency' => 'CZK',
                'price' => 0
        ],
        [
                'clientId' => 456,
                'customEntryCount' => [
                                'count' => 10,
                                'validityTimeValue' => 1,
                                'validityTimeUnit' => 'month'
                ],
                'currency' => 'CZK',
                'price' => 0
        ]
    ]
  ]),
  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.zenamu.com/v1/clients/credits/bulk"

	payload := strings.NewReader("{\n  \"sendEmail\": false,\n  \"items\": [\n    {\n      \"clientId\": 123,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    },\n    {\n      \"clientId\": 456,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.zenamu.com/v1/clients/credits/bulk")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"sendEmail\": false,\n  \"items\": [\n    {\n      \"clientId\": 123,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    },\n    {\n      \"clientId\": 456,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.zenamu.com/v1/clients/credits/bulk")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"sendEmail\": false,\n  \"items\": [\n    {\n      \"clientId\": 123,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    },\n    {\n      \"clientId\": 456,\n      \"customEntryCount\": {\n        \"count\": 10,\n        \"validityTimeValue\": 1,\n        \"validityTimeUnit\": \"month\"\n      },\n      \"currency\": \"CZK\",\n      \"price\": 0\n    }\n  ]\n}"

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

{
  "statusCode": 200,
  "message": "Success",
  "data": {
    "results": [
      {
        "clientId": 123,
        "success": true,
        "numberOfCredits": 510,
        "validTo": "2026-10-01"
      },
      {
        "clientId": 456,
        "success": false,
        "error": {
          "message": "Client not found"
        }
      }
    ],
    "summary": {
      "total": 2,
      "succeeded": 1,
      "failed": 1,
      "failedClientIds": [
        456
      ]
    }
  }
}

{
  "statusCode": 400,
  "error": "Error",
  "message": "dateFrom parameter is required (format: YYYY-MM-DD)"
}

{
  "statusCode": 401,
  "error": "Error",
  "message": "Missing access token. You must send your access token in the request header ('Authorization: Bearer YOUR_ACCESS_TOKEN' )"
}

{
  "statusCode": 403,
  "error": "Error",
  "message": "The Zenamu API is only available on the Ultimate tariff."
}

{
  "statusCode": 404,
  "error": "Error",
  "message": "API key not found"
}

{
  "statusCode": 429,
  "error": "Too Many Requests",
  "message": "Rate limit exceeded: up to 100 requests per minute per endpoint."
}

{
  "statusCode": 500,
  "error": "Internal Server Error",
  "message": "We apologize, but there was an error on our end. If problems persist, please contact us at [email protected]"
}