# Upload File Document

**POST /transactions/{transactionId}/documents/file**

Uploads a file document to a transaction. If `Id` is omitted, a new document is created at version 1. If `Id` is provided and matches an existing document, a new version is added.

**Supported MIME types:** `application/pdf`, `application/msword`, `application/vnd.openxmlformats-officedocument.wordprocessingml.document`, `application/vnd.ms-excel`, `application/vnd.openxmlformats-officedocument.spreadsheetml.sheet`, `image/jpeg`, `image/png`, `image/bmp`, `image/gif`


## Servers
- Production: https://ws.zipformplus.com/api (Production)
- Staging/QA: https://api.pre.zipformplus.com/api (Staging/QA)


## Authentication methods
- Context auth


## Parameters

### Path parameters

- **transactionId** (string(uuid))
  Transaction GUID


### Query parameters

- **Name** (string)
  Document name

- **Description** (string)
  Document description

- **ContainerId** (string)
  Optional folder ID to store the document in

- **Id** (string)
  Optional document ID. If provided and found, adds a new version.


### Body: application/pdf (string(binary))

string(binary)

## Responses
### 201
Document uploaded. Returns the endpoint URL for the uploaded document.

### 401
Unauthorized

### 404
Document ID provided but not found

### 415
Unsupported media type


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