> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://ixopay.ferndocs.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://ixopay.ferndocs.com/_mcp/server.

# Upload Evidence

POST https://gateway.ixopay.com/api/v3/dispute/{apiKey}/upload-evidence/{uuid}
Content-Type: multipart/form-data

Upload Dispute Evidence Document to Provider

Reference: https://ixopay.ferndocs.com/developer-hub/api-reference/transaction-api/dispute/upload-dispute-evidence

## Authentication

- `Authorization` header (basic auth, required) — Basic authentication of the form `Basic <base64(username:password)>`.

## Request

### Path parameters

- `apiKey` (string, required) — API key of connector.
- `uuid` (string, required) — Uuid of Dispute

### Body (multipart/form-data)

This endpoint expects a multipart form containing a file.

- `file` (file, required)
- `extraData` (string, optional)

## Response

### 200

Dispute response

- `success` (boolean, optional)
- `extraData` (map from string to string, optional) — Object containing key-value pairs (string-to-string) or nested objects, returned by the Provider.
- `errors` (list of TransactionError, optional)

## Types

### TransactionError

- `message` (string, optional)
- `code` (integer, optional)
- `adapterMessage` (string, optional)
- `adapterCode` (string, optional)

## Examples

### finished

**Request**

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

**Response**

```json
{
  "success": true,
  "extraData": {
    "otherKey": {
      "otherKey1": "otherValue1",
      "otherKey2": "otherValue2"
    },
    "someKey": "someValue"
  }
}
```

**SDK Code**

```python finished
import requests

url = "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

files = { "file": "open('string', 'rb')" }
payload = { "extraData":  }
response = requests.post(url, data=payload, files=files, auth=("<username>", "<password>"))

print(response.json())
```

```javascript finished
const url = 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid';
const form = new FormData();
form.append('extraData', '');
form.append('file', 'string');

const credentials = btoa("<username>:<password>");

const options = {method: 'POST', headers: {Authorization: `Basic ${credentials}`}};

options.body = form;

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

```go finished
package main

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

func main() {

	url := "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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.SetBasicAuth("<username>", "<password>")

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

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

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

}
```

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

url = URI("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")

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

request = Net::HTTP::Post.new(url)
request.basic_auth("<username>", "<password>")
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 finished
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")
  .basicAuth("<username>", "<password>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 finished
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
  ],
    'auth' => ['<username>', '<password>'],
]);

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

```csharp finished
using RestSharp;
using RestSharp.Authenticators;

var client = new RestClient("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid");
client.Authenticator = new HttpBasicAuthenticator("<username>", "<password>");
var request = new RestRequest(Method.POST);

request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 finished
import Foundation

let credentials = Data("<username>:<password>".utf8).base64EncodedString()

let headers = ["Authorization": "Basic \(credentials)"]
let parameters = [
  [
    "name": "extraData",
    "value": 
  ],
  [
    "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://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")! 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()
```

### validation error

**Request**

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

**Response**

```json
{
  "success": false
}
```

**SDK Code**

```python validation error
import requests

url = "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

files = { "file": "open('string', 'rb')" }
payload = { "extraData":  }
response = requests.post(url, data=payload, files=files, auth=("<username>", "<password>"))

print(response.json())
```

```javascript validation error
const url = 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid';
const form = new FormData();
form.append('extraData', '');
form.append('file', 'string');

const credentials = btoa("<username>:<password>");

const options = {method: 'POST', headers: {Authorization: `Basic ${credentials}`}};

options.body = form;

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

```go validation error
package main

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

func main() {

	url := "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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.SetBasicAuth("<username>", "<password>")

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

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

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

}
```

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

url = URI("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")

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

request = Net::HTTP::Post.new(url)
request.basic_auth("<username>", "<password>")
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 validation error
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")
  .basicAuth("<username>", "<password>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 validation error
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
  ],
    'auth' => ['<username>', '<password>'],
]);

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

```csharp validation error
using RestSharp;
using RestSharp.Authenticators;

var client = new RestClient("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid");
client.Authenticator = new HttpBasicAuthenticator("<username>", "<password>");
var request = new RestRequest(Method.POST);

request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 validation error
import Foundation

let credentials = Data("<username>:<password>".utf8).base64EncodedString()

let headers = ["Authorization": "Basic \(credentials)"]
let parameters = [
  [
    "name": "extraData",
    "value": 
  ],
  [
    "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://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")! 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()
```

### processing error

**Request**

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

**Response**

```json
{
  "success": false,
  "errors": [
    {}
  ]
}
```

**SDK Code**

```python processing error
import requests

url = "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

files = { "file": "open('string', 'rb')" }
payload = { "extraData":  }
response = requests.post(url, data=payload, files=files, auth=("<username>", "<password>"))

print(response.json())
```

```javascript processing error
const url = 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid';
const form = new FormData();
form.append('extraData', '');
form.append('file', 'string');

const credentials = btoa("<username>:<password>");

const options = {method: 'POST', headers: {Authorization: `Basic ${credentials}`}};

options.body = form;

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

```go processing error
package main

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

func main() {

	url := "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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.SetBasicAuth("<username>", "<password>")

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

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

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

}
```

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

url = URI("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")

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

request = Net::HTTP::Post.new(url)
request.basic_auth("<username>", "<password>")
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 processing error
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")
  .basicAuth("<username>", "<password>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 processing error
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
  ],
    'auth' => ['<username>', '<password>'],
]);

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

```csharp processing error
using RestSharp;
using RestSharp.Authenticators;

var client = new RestClient("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid");
client.Authenticator = new HttpBasicAuthenticator("<username>", "<password>");
var request = new RestRequest(Method.POST);

request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 processing error
import Foundation

let credentials = Data("<username>:<password>".utf8).base64EncodedString()

let headers = ["Authorization": "Basic \(credentials)"]
let parameters = [
  [
    "name": "extraData",
    "value": 
  ],
  [
    "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://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")! 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()
```

### not found error

**Request**

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

**Response**

```json
{
  "success": false,
  "errors": [
    {}
  ]
}
```

**SDK Code**

```python not found error
import requests

url = "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

files = { "file": "open('string', 'rb')" }
payload = { "extraData":  }
response = requests.post(url, data=payload, files=files, auth=("<username>", "<password>"))

print(response.json())
```

```javascript not found error
const url = 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid';
const form = new FormData();
form.append('extraData', '');
form.append('file', 'string');

const credentials = btoa("<username>:<password>");

const options = {method: 'POST', headers: {Authorization: `Basic ${credentials}`}};

options.body = form;

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

```go not found error
package main

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

func main() {

	url := "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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.SetBasicAuth("<username>", "<password>")

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

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

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

}
```

```ruby not found error
require 'uri'
require 'net/http'

url = URI("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")

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

request = Net::HTTP::Post.new(url)
request.basic_auth("<username>", "<password>")
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 not found error
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")
  .basicAuth("<username>", "<password>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 not found error
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
  ],
    'auth' => ['<username>', '<password>'],
]);

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

```csharp not found error
using RestSharp;
using RestSharp.Authenticators;

var client = new RestClient("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid");
client.Authenticator = new HttpBasicAuthenticator("<username>", "<password>");
var request = new RestRequest(Method.POST);

request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 not found error
import Foundation

let credentials = Data("<username>:<password>".utf8).base64EncodedString()

let headers = ["Authorization": "Basic \(credentials)"]
let parameters = [
  [
    "name": "extraData",
    "value": 
  ],
  [
    "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://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")! 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()
```

### wrong type error

**Request**

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

**Response**

```json
{
  "success": false,
  "errors": [
    {}
  ]
}
```

**SDK Code**

```python wrong type error
import requests

url = "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

files = { "file": "open('string', 'rb')" }
payload = { "extraData":  }
response = requests.post(url, data=payload, files=files, auth=("<username>", "<password>"))

print(response.json())
```

```javascript wrong type error
const url = 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid';
const form = new FormData();
form.append('extraData', '');
form.append('file', 'string');

const credentials = btoa("<username>:<password>");

const options = {method: 'POST', headers: {Authorization: `Basic ${credentials}`}};

options.body = form;

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

```go wrong type error
package main

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

func main() {

	url := "https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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.SetBasicAuth("<username>", "<password>")

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

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

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

}
```

```ruby wrong type error
require 'uri'
require 'net/http'

url = URI("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")

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

request = Net::HTTP::Post.new(url)
request.basic_auth("<username>", "<password>")
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 wrong type error
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")
  .basicAuth("<username>", "<password>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 wrong type error
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid', [
  'multipart' => [
    [
        'name' => 'file',
        'filename' => 'string',
        'contents' => null
    ]
  ]
  'headers' => [
  ],
    'auth' => ['<username>', '<password>'],
]);

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

```csharp wrong type error
using RestSharp;
using RestSharp.Authenticators;

var client = new RestClient("https://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid");
client.Authenticator = new HttpBasicAuthenticator("<username>", "<password>");
var request = new RestRequest(Method.POST);

request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"extraData\"\r\n\r\n\r\n-----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 wrong type error
import Foundation

let credentials = Data("<username>:<password>".utf8).base64EncodedString()

let headers = ["Authorization": "Basic \(credentials)"]
let parameters = [
  [
    "name": "extraData",
    "value": 
  ],
  [
    "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://gateway.ixopay.com/api/v3/dispute/apiKey/upload-evidence/uuid")! 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()
```