API

To upload using curl or make a tool you can post using:

curl -i -F files[]=@yourfile.jpeg https://tmp.ninja/upload.php (JSON Response)
curl -i -F files[]=@yourfile.jpeg https://tmp.ninja/upload.php?output=text (Text Response)
curl -i -F files[]=@yourfile.jpeg https://tmp.ninja/upload.php?output=csv (CSV Response)
curl -i -F files[]=@yourfile.jpeg https://tmp.ninja/upload.php?output=html (HTML Response)