API Reference

/submissions/{submissionId}/upload

get
https://www.formstack.com/api/v2025/submissions//upload

Retrieve uploaded file from a submission

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Path Params
integer
required

The unique identifier of the submission containing the upload

Query Params
integer
required

The unique identifier of the field containing the uploaded file

integer | null

The index of the file when multiple files are uploaded to the same field (zero-based)

Headers
string

Required when form has encryption enabled. The encryption password used to decrypt file upload data

Responses

401

Unauthorized - Encryption password required or invalid

403

Forbidden

404

Not Found

500

Internal Server Error

Updated about 2 months ago

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Response
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application/octet-stream

Updated about 2 months ago