Construí sobre PietroCal sin empezar de cero.

export PIETROCAL_API_TOKEN="pc_live_TU_TOKEN"

curl -sS "https://pietrocal.com/api/v1/me_app.php" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer $PIETROCAL_API_TOKEN"

require __DIR__ . '/PietroCalClient.php';

use PietroCal\Sdk\PietroCalClient;

$client = new PietroCalClient(
    getenv('PIETROCAL_API_TOKEN')
);

$profile = $client->profile();
print_r($profile['data']);

import { PietroCalClient } from './pietrocal-client.js';

const client = new PietroCalClient({
  token: process.env.PIETROCAL_API_TOKEN
});

const profile = await client.profile();
console.log(profile.data);

import os
from pietrocal_client import PietroCalClient

client = PietroCalClient(
    os.environ["PIETROCAL_API_TOKEN"]
)

profile = client.profile()
print(profile.data)