How to Add Freshservice Conversation Attachments to a Third-Party Application

App Platform
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1

Hi Team,

I am working on an integration where I need to sync Freshservice conversation attachments to a third-party application.

When a conversation is created in Freshservice with an attachment, I am getting the attachment details along with the attachment ID

. request.json

“downloadFreshserviceAttachment”: {

“schema”: {

    "method": "GET",

    "host": "<%= iparam.domain %>",

    "path": "/api/v2/attachments/<%= context.attachment_id %>",

    "headers": {

        "Authorization": "Basic <%= encode(iparam.api_key) %>"

    }

}

}

My requirement is:

Freshservice Conversation → Attachment → Download file → Upload file to third party

For example, if I attach a PNG image to a conversation, I need to download that PNG file and then upload the same file to the third-party application.

I tried using the attachment ID to download the file. However, when I try to download the attachment, I get an error like:

Unsupported Content-Type

Because I am unable to download the actual file, I cannot pass the file to the file upload API (files).

I am also trying to use the FDK request template file upload functionality. My plan is to upload the downloaded file first, get the upload response/ID, and then pass that ID to the third-party API using invokeTemplate.

The expected flow is:

Freshservice Conversation
→ Get attachment ID/URL
→ Download actual attachment file
→ Upload file
→ Get uploaded file ID
→ Send file ID to third-party API using invokeTemplate

But currently I am stuck at the download attachment step because of the Unsupported Content-Type error.

Error:

Failed to download Screenshot (162).png from Freshservice: {
status: 415,
headers: {},
response: ‘Unsupported content type’,
errorSource: ‘APP’,
attempts: 1
}

I have tested this with a PNG image attachment, but I am getting the Unsupported Content-Type error.

Please let me know the recommended approach for downloading and uploading Freshservice conversation attachments to a third-party application.

Thanks!