curl --request POST \
  --url https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id}/start \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id}/start"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const url = 'https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id}/start';
const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));