API - Upload or update your opensolr configuration files

POST https://opensolr.com/solr_manager/api/upload_config_file

curl -X POST https://opensolr.com/solr_manager/api/upload_config_file \
  -F "email=YOUR_EMAIL" \
  -F "api_key=YOUR_API_KEY" \
  -F "core_name=YOUR_INDEX" \
  -F "userfile=@/path/to/schema.xml"

$ch = curl_init('https://opensolr.com/solr_manager/api/upload_config_file');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS     => [
        'email'     => 'YOUR_EMAIL',
        'api_key'   => 'YOUR_API_KEY',
        'core_name' => 'YOUR_INDEX',
        'userfile'  => new CURLFile('/path/to/schema.xml'),
    ],
]);
$response = json_decode(curl_exec($ch), true);
curl_close($ch);
print_r($response);

import requests

with open("/path/to/schema.xml", "rb") as f:
    response = requests.post(
        "https://opensolr.com/solr_manager/api/upload_config_file",
        data={
            "email": "YOUR_EMAIL",
            "api_key": "YOUR_API_KEY",
            "core_name": "YOUR_INDEX",
        },
        files={
            "userfile": ("schema.xml", f, "application/xml"),
        }
    )
data = response.json()
print(data)