Uploading multiple documents simultaneously using "files[]"

Posts: 40

Uploading multiple documents simultaneously using "files[]"

Monday, June 26, 2017 at 01:11pm

Hi, I am attempting to create a package with multiple documents using the "files[]" multipart form field, but I always get back this message: { "messageKey": "error.validation.package.wrongNumberOfFiles", "technical": "Number of uploaded files does not match number of documents specified in package.", "message": "Number of uploaded files does not match number of documents specified in package.", "code": 400, "name": "Validation Error" } This has led me to dig into the package JSON and I can't seem to figure out how the items in the "documents" JSON collection are supposed to correlate to the files themselves. For example, if I am creating a new package with "file1.pdf" and "file2.pdf", how does eSignLive know which metadata entry within the "documents" JSON collection goes with each file?

June 26 Created

January 21 Last Updated

6 years ago Last Reply

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Posts: 957

mwilliams

Reply to: Uploading multiple documents simultaneously using "files[]"

Monday, June 26, 2017 at 07:04pm

Hey nhill40, I've not tried using name=files[], but I've had success with the setup of the multipart/form-data like:

-----boundary--------
name="file"; filename="somefilename.pdf"
file1
-----boundary--------
name="file"; filename="someotherfilename.pdf"
file2
-----boundary--------
name="payload"
JSON payload with documents in the documents portion of the payload in the order they're passed above.
-----boundary----------

I can test out files[], if you'd like and let you know what I find. Let me know!

- Michael

Director, Partner and Developer Technologies, OneSpan

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Posts: 40

nhill40

Reply to: Uploading multiple documents simultaneously using "files[]"

Tuesday, June 27, 2017 at 05:17am

Well, that was a lot easier than I was trying to make it! :D Indeed, it looks like it is just down to order. And "file" (rather than "files[]") worked just fine. Here is a cURL output of the (bare bones) test I created in Postman: curl -X POST \ https://sandbox.esignlive.com/api/packages \ -H 'authorization: Basic >' \ -H 'cache-control: no-cache' \ -H 'content-type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW' \ -H 'postman-token: 8617b274-e380-33cd-d56f-120536b4fc04' \ -F file=@/Users/hilln/Downloads/pdf-sample.pdf \ -F file=@/Users/hilln/Downloads/pdf-sample.pdf \ -F 'payload={ "status": "DRAFT", "documents": [ { "name": "First File" }, { "name": "Second File" } ] }' Thanks for the help!

Posts: 957

mwilliams

Reply to: Uploading multiple documents simultaneously using "files[]"

Tuesday, June 27, 2017 at 07:27am

Great! Glad to help! :)

- Michael

Director, Partner and Developer Technologies, OneSpan

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Uploading multiple documents simultaneously using "files[]"

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