Загрузка данных

https://web.mx.ru/4250570
curl -X POST https://example.com \
     -H "Content-Type: application/json" \
     -d '{"username": "your_login", "password": "your_password"}'

curl -X POST https://example.com \
     -d "username=your_login" \
     -d "password=your_password"

curl -X POST https://example.com \
     -H "Content-Type: application/json" \
     -d '{"username": "your_login", "password": "your_password"}' | jq