curl --location 'https://gyra-core.gyramais.com.br/auth/authenticate' \
--header 'gyra-client-secret: valor' \
--header 'gyra-client-id: valor'

fetch("https://gyra-core.gyramais.com.br/auth/authenticate", {
  method: "POST",
  headers: {
    "gyra-client-secret": "valor",
    "gyra-client-id": "valor",
  },
})
  .then(res => res.json())
  .then(console.log)

import requests

url = "https://gyra-core.gyramais.com.br/auth/authenticate"
headers = {
  "gyra-client-secret": "valor",
  "gyra-client-id": "valor"
}
response = requests.post(url, headers=headers)
print(response.json())

{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "expiresIn": 86400,
  "tokenType": "Bearer"
}

{
  "code": 401,
  "message": "Credenciais inválidas."
}