Typically passed as a parameter ( &apikey=your_key ) or in the Authorization header. Mandatory for all API requests.

The API key is primarily used as a credential to configure other software. Here are the most popular ways to use it.

Before attempting to use the API, it is important to understand the platform's tier requirements:

rclone config -> Choose "1fichier" -> Paste your API key -> Done

What or software tool (like Rclone or JDownloader) you plan to use

Avoid pasting your API key directly into your scripts or source files. If you push your code to a public repository like GitHub, web scrapers will steal your key within seconds.

: Community-maintained libraries like pyOneFichierClient (Python) and baudev/1fichier-api (TypeScript) enable programmatic access to 1fichier endpoints. Pros and Cons of API Usage

However, the power of the API key comes with significant responsibility regarding security. An API key is a secret; treating it otherwise can lead to dire consequences. Unlike a password, which usually requires a secondary factor of authentication or at least manual entry, an API key is often embedded in plain text within scripts or configuration files. If a user inadvertently shares a script publicly—perhaps on a forum or a GitHub repository—without redacting the key, they are essentially handing over full access to their account. Malicious actors can scrape these keys to utilize the victim’s bandwidth, access private files, or use the account for illicit file hosting. Therefore, "key hygiene"—knowing when to revoke, regenerate, and hide the key—is as important as the key itself.

Integrating this unique alphanumeric string into automated workflows allows users to bypass standard browser interactions to handle file uploads, downloads, remote fetches, and directory sorting via HTTP requests. To utilize the developer API, an account must have an active Premium subscription , as free accounts are restricted to manual browser use with strict speed limits. How to Generate Your 1fichier API Key

Third-party applications only see your API key, not your primary account password. If a tool is compromised, you can simply revoke the key.

If you use a Synology NAS or a Seedbox, you can script your system to automatically back up finished downloads to 1fichier using a simple curl command combined with your API key. 3. WordPress and Web Plugins

Connect your storage to media servers or download managers. How to Generate Your 1fichier API Key

: Look for the API or Developer section.

: Go to the official 1fichier website and log into your account.