## Documentation Index

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

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

---

## Status

### cURL

```bash
curl --request GET \
  --url https://api.neynar.com/v2/farcaster/signer/ \
  --header 'x-api-key: NEYNAR_API_DOCS'
```

### Python

```python
import requests

url = "https://api.neynar.com/v2/farcaster/signer/"

headers = {"x-api-key": "NEYNAR_API_DOCS"}

response = requests.get(url, headers=headers)

print(response.text)
```

### JavaScript (Fetch API)

```javascript
const options = {method: 'GET', headers: {'x-api-key': 'NEYNAR_API_DOCS'}};

fetch('https://api.neynar.com/v2/farcaster/signer/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### PHP

```php
<?php

$curl = curl_init();

curl_setopt_array($curl, [\
  CURLOPT_URL => "https://api.neynar.com/v2/farcaster/signer/",\
  CURLOPT_RETURNTRANSFER => true,\
  CURLOPT_ENCODING => "",\
  CURLOPT_MAXREDIRS => 10,\
  CURLOPT_TIMEOUT => 30,\
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,\
  CURLOPT_CUSTOMREQUEST => "GET",\
  CURLOPT_HTTPHEADER => [\
    "x-api-key: NEYNAR_API_DOCS"\
  ],\
]);

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

curl_close($curl);

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

### Go

```go
package main

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

func main() {

url := "https://api.neynar.com/v2/farcaster/signer/"

req, _ := http.NewRequest("GET", url, nil)

req.Header.Add("x-api-key", "NEYNAR_API_DOCS")

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

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

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

### Unirest (Java)

```java
HttpResponse<String> response = Unirest.get("https://api.neynar.com/v2/farcaster/signer/")
  .header("x-api-key", "NEYNAR_API_DOCS")
  .asString();
```

### Ruby

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

url = URI("https://api.neynar.com/v2/farcaster/signer/")

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

request = Net::HTTP::Get.new(url)
request["x-api-key"] = 'NEYNAR_API_DOCS'

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

---

### Response Codes
- **200**
- **400**
- **403**
- **404**
- **500**

### Example Response
```json
{
  "public_key": "0x3daa8f99c5f760688a3c9f95716ed93dee5ed5d7722d776b7c4deac957755f22",
  "signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
  "fid": 3,
  "object": "signer",
  "permissions": [],
  "signer_approval_url": "<string>"
}
```

### Error Response
```json
{
  "message": "<string>",
  "code": "<string>",
  "property": "<string>",
  "status": 123
}
```

---

## Node.js SDK

🔗 **SDK Method:** [lookupSigner](https://docs.neynar.com/nodejs-sdk/signer-apis/lookupSigner)
Use this API endpoint with the Neynar Node.js SDK for typed responses and better developer experience.

### Authorizations

- **x-api-key**
  - **Type:** string
  - **Location:** header
  - **Default:** NEYNAR_API_DOCS
  - **Required:** Yes
  - API key to authorize requests

### Query Parameters

- **signer_uuid**  
  - **Type:** string  
  - **Required:** Yes  
  - UUID of the signer.  
  `signer_uuid` is paired with API key, can't use a `uuid` made with a different API key.  
  - **Example:**  
    - "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec"

### Response Format

- **200**  
  - **MIME Type:** application/json  
  - **Response:**  
```json
{
  "public_key": "<string>",
  "signer_uuid": "<string>",
  "fid": <integer>,
  "object": "signer",
  "permissions": [],
  "signer_approval_url": "<string>"
}
```

---

### Related Topics
- [`status`](https://docs.neynar.com/farcaster/auth-kit/client/app/status)
- [`watchStatus`](https://docs.neynar.com/farcaster/auth-kit/client/app/watch-status)
- [Update webhook status](https://docs.neynar.com/reference/update-webhook-active-status)
- [Status by auth address](https://docs.neynar.com/reference/lookup-developer-managed-auth-address)
- [Status by public key](https://docs.neynar.com/reference/lookup-developer-managed-signer)