## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.cognigy.com/llms.txt)

Use this file to discover all available pages before exploring further.

## Upload an Extension

### cURL

```bash
curl --request POST \
  --url https://api-trial.cognigy.ai/new/v2.0/extensions/upload \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key: <api-key>' \
  --form 'projectId=<string>' \
  --form file='@example-file'
```

### Python

```python
import requests

url = "https://api-trial.cognigy.ai/new/v2.0/extensions/upload"

files = { "file": ("example-file", open("example-file", "rb")) }
payload = { "projectId": "<string>" }
headers = {"X-API-Key": "<api-key>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)
```

### JavaScript (Fetch)

```javascript
const form = new FormData();
form.append('projectId', '<string>');
form.append('file', '<string>');

const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};

options.body = form;

fetch('https://api-trial.cognigy.ai/new/v2.0/extensions/upload', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### PHP

```php
$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-trial.cognigy.ai/new/v2.0/extensions/upload",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"projectId\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
```

### Go

```go
package main

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

func main() {

url := "https://api-trial.cognigy.ai/new/v2.0/extensions/upload"

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

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

req.Header.Add("X-API-Key", "<api-key>")

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

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

fmt.Println(string(body))
}
```

### Java

```java
HttpResponse<String> response = Unirest.post("https://api-trial.cognigy.ai/new/v2.0/extensions/upload")
  .header("X-API-Key", "<api-key>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"projectId\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
  .asString();
```

### Ruby

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

url = URI("https://api-trial.cognigy.ai/new/v2.0/extensions/upload")

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

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

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

### Response Codes

- `202`: Successfully uploaded the Extension and created a Task to process it.
- `400`: Bad Request — Validation failed. Missing payload.
- `401`: Unauthorized — Invalid API Key.
- `402`: Payment Required — Validation failed.
- `403`: Forbidden — Access denied for this resource.
- `404`: Not Found — Resource does not exist.
- `405`: Method Not Allowed — Invalid HTTP method.
- `409`: Conflict — A conflict occurred during processing.
- `413`: Payload Too Large — The request entity is larger than limits defined by server.
- `500`: Internal Server Error — An unexpected server error occurred.
- `501`: Not Implemented — The server does not support the functionality required.
- `502`: Bad Gateway — Invalid response from the upstream server.
- `503`: Service Unavailable — Temporarily unavailable.
- `504`: Gateway Timeout — The server took too long to respond.