> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.ntropy.com/documentation/api/bank-statements/post-bank-statement-v-3-bank-statements-post/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.ntropy.com/_mcp/server.

# Submit a bank statement PDF

POST https://api.ntropy.com/v3/bank_statements
Content-Type: multipart/form-data

Upload a PDF file for the main extraction workflow. Once the bank statement has finished processing, you can
retrieve the results using [/v3/bank\_statements/\{id}/results](./get-bank-statement-result).

Complete guide: [Bank Statements](../../../bank-statements)

Reference: https://docs.ntropy.com/documentation/api/bank-statements/post-bank-statement-v-3-bank-statements-post

## Authentication

- `X-Api-Key` header (required) — API Key authentication via header

## Request

### Body (multipart/form-data)

This endpoint expects a multipart form containing a file.

- `file` (file, required)

## Response

### 200

Successful Response

- `id` (string, required) — A unique identifier for the bank statement job.
- `status` (enum, required) — The current status of the document.
  - Allowed values: `processing`, `completed`, `error`
- `created_at` (datetime, required) — The date and time when the job was created.
- `file` (BankStatementFile, required) — Information about the bank statement file being processed.
- `name` (string, optional, nullable) — The name of the bank statement file, if available.
- `error` (BankStatementError, optional, nullable)

## Errors

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

## Types

### BankStatementFile

- `no_pages` (integer, required) — The number of pages in the bank statement file.
- `size` (integer, optional, nullable) — The size of the bank statement file in bytes, if available.

### BankStatementError

- `code` (enum, required)
  - Allowed values: `invalid_bank_statement`, `internal_error`
- `message` (string, required)

### ValidationError

- `loc` (list of ValidationErrorLocItems, required)
- `msg` (string, required)
- `type` (string, required)

### ValidationErrorLocItems

## Examples

**Request**

```json
{
  "file": "<file: string>"
}
```

**Response**

```json
{
  "id": "7f8dceac-2848-472d-b5c3-55cdbaf35a9b",
  "status": "processing",
  "created_at": "2024-01-01T00:00:00",
  "file": {
    "no_pages": 1,
    "size": 4096
  },
  "name": "2014-01-01_2014-02-01_statement.pdf"
}
```

**SDK Code**

```python Python SDK
from ntropy_sdk import SDK

sdk = SDK("cd1H...Wmhl")
with open("bank_statement.pdf", "rb") as fh:
    bank_statement = sdk.bank_statements.create(fh)
    results = sdk.bank_statements.wait_for_results(bank_statement.id)
```

```javascript
const url = 'https://api.ntropy.com/v3/bank_statements';
const form = new FormData();
form.append('file', 'string');

const options = {method: 'POST', headers: {'X-Api-Key': '<apiKey>'}};

options.body = form;

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.ntropy.com/v3/bank_statements"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Api-Key", "<apiKey>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.ntropy.com/v3/bank_statements")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-Api-Key"] = '<apiKey>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.ntropy.com/v3/bank_statements")
  .header("X-Api-Key", "<apiKey>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.ntropy.com/v3/bank_statements', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
    'X-Api-Key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.ntropy.com/v3/bank_statements");
var request = new RestRequest(Method.POST);
request.AddHeader("X-Api-Key", "<apiKey>");
request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["X-Api-Key": "<apiKey>"]
let parameters = [
  [
    "name": "file",
    "fileName": "string"
  ]
]

let boundary = "---011000010111000001101001"

var body = ""
var error: NSError? = nil
for param in parameters {
  let paramName = param["name"]!
  body += "--\(boundary)\r\n"
  body += "Content-Disposition:form-data; name=\"\(paramName)\""
  if let filename = param["fileName"] {
    let contentType = param["content-type"]!
    let fileContent = String(contentsOfFile: filename, encoding: String.Encoding.utf8)
    if (error != nil) {
      print(error as Any)
    }
    body += "; filename=\"\(filename)\"\r\n"
    body += "Content-Type: \(contentType)\r\n\r\n"
    body += fileContent
  } else if let paramValue = param["value"] {
    body += "\r\n\r\n\(paramValue)"
  }
}

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ntropy.com/v3/bank_statements")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```