curl --request POST \
  --url https://mainnet.gomaestro-api.org/v1/contracts/vesting/lock \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '
{
  "sender": "addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w",
  "beneficiary": "addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja",
  "asset_policy_id": "fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd",
  "asset_token_name": "7449534b59",
  "total_vesting_quantity": 1000000,
  "vesting_period_start": 1690304810,
  "vesting_period_end": 1690391304,
  "first_unlock_possible_after": 1690304810,
  "total_installments": 4
}
'

import requests

url = "https://mainnet.gomaestro-api.org/v1/contracts/vesting/lock"

payload = {
    "sender": "addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w",
    "beneficiary": "addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja",
    "asset_policy_id": "fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd",
    "asset_token_name": "7449534b59",
    "total_vesting_quantity": 1000000,
    "vesting_period_start": 1690304810,
    "vesting_period_end": 1690391304,
    "first_unlock_possible_after": 1690304810,
    "total_installments": 4
}
headers = {
    "api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    sender: 'addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w',
    beneficiary: 'addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja',
    asset_policy_id: 'fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd',
    asset_token_name: '7449534b59',
    total_vesting_quantity: 1000000,
    vesting_period_start: 1690304810,
    vesting_period_end: 1690391304,
    first_unlock_possible_after: 1690304810,
    total_installments: 4
  })
};

fetch('https://mainnet.gomaestro-api.org/v1/contracts/vesting/lock', 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://mainnet.gomaestro-api.org/v1/contracts/vesting/lock",
  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([
    'sender' => 'addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w',
    'beneficiary' => 'addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja',
    'asset_policy_id' => 'fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd',
    'asset_token_name' => '7449534b59',
    'total_vesting_quantity' => 1000000,
    'vesting_period_start' => 1690304810,
    'vesting_period_end' => 1690391304,
    'first_unlock_possible_after' => 1690304810,
    'total_installments' => 4
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "api-key: <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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.gomaestro-api.org/v1/contracts/vesting/lock"

	payload := strings.NewReader("{\n  \"sender\": \"addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w\",\n  \"beneficiary\": \"addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja\",\n  \"asset_policy_id\": \"fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd\",\n  \"asset_token_name\": \"7449534b59\",\n  \"total_vesting_quantity\": 1000000,\n  \"vesting_period_start\": 1690304810,\n  \"vesting_period_end\": 1690391304,\n  \"first_unlock_possible_after\": 1690304810,\n  \"total_installments\": 4\n}")

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

	req.Header.Add("api-key", "<api-key>")
	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://mainnet.gomaestro-api.org/v1/contracts/vesting/lock")
  .header("api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"sender\": \"addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w\",\n  \"beneficiary\": \"addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja\",\n  \"asset_policy_id\": \"fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd\",\n  \"asset_token_name\": \"7449534b59\",\n  \"total_vesting_quantity\": 1000000,\n  \"vesting_period_start\": 1690304810,\n  \"vesting_period_end\": 1690391304,\n  \"first_unlock_possible_after\": 1690304810,\n  \"total_installments\": 4\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mainnet.gomaestro-api.org/v1/contracts/vesting/lock")

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

request = Net::HTTP::Post.new(url)
request["api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"sender\": \"addr_test1vqade9vdg4uj3gsc5zfmmyavfd5tpssyxn4m7c4slzlxddcmxc00w\",\n  \"beneficiary\": \"addr_test1vpvz8req5wn4serhfsg9ha9wg7rf7jsr5hels2llkacq5gcq4utja\",\n  \"asset_policy_id\": \"fb2b3a629a09014e28d0a54fc06499af12127c79b0bc1c39478da1dd\",\n  \"asset_token_name\": \"7449534b59\",\n  \"total_vesting_quantity\": 1000000,\n  \"vesting_period_start\": 1690304810,\n  \"vesting_period_end\": 1690391304,\n  \"first_unlock_possible_after\": 1690304810,\n  \"total_installments\": 4\n}"

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

{
  "cbor_hex": "<string>",
  "tx_hash": "<string>"
}