Hi, Any suggestion on how external system can send files to Appian? (idea

Hi,
Any suggestion on how external system can send files to Appian? (idea is same with send file over sftp from external system going to Appian). I've already searched anything related but seems not to find anything of the same requirement. I saw some post regarding the Base 64 Utilities where it can convert the base64 string into document (I think this idea will work by publishing process model as web service in Appian, but the problem is it's already deprecated). We can't also use Receive File Over SFTP, since the requirement is to send file from external system.. Any workarounds? Please advise. TIA.

OriginalPostID-202111

OriginalPostID-202111

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