Upload a file:
curl --upload-file ./myfile.txt https://apps.tinker.host/transfer/myfile.txt
Upload and save URL:
curl --upload-file ./myfile.txt https://apps.tinker.host/transfer/myfile.txt -o url.txt
Download a file:
curl -O https://apps.tinker.host/transfer/d/{id}/myfile.txt
With wget:
wget $(curl --upload-file ./myfile.txt https://apps.tinker.host/transfer/myfile.txt)