## Proof for a username

### cURL

```bash
curl --request GET \
  --url https://snapchain-api.neynar.com/v1/userNameProofByName \
  --header 'x-api-key: NEYNAR_API_DOCS'
```

```python
import requests

url = "https://snapchain-api.neynar.com/v1/userNameProofByName"

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

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

print(response.text)
```

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

fetch('https://snapchain-api.neynar.com/v1/userNameProofByName', 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://snapchain-api.neynar.com/v1/userNameProofByName",\
  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
package main

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

func main() {

url := "https://snapchain-api.neynar.com/v1/userNameProofByName"

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))
}
```

```java
HttpResponse<String> response = Unirest.get("https://snapchain-api.neynar.com/v1/userNameProofByName")
  .header("x-api-key", "NEYNAR_API_DOCS")
  .asString();
```

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

url = URI("https://snapchain-api.neynar.com/v1/userNameProofByName")

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 Structure

#### Sample Success Response 200:
```json
{
  "timestamp": 123,
  "name": "neynar",
  "owner": "<string>",
  "signature": "aSDinaTvuI8gbWludGxpZnk=",
  "fid": 1,
  "type": "USERNAME_TYPE_FNAME"
}
```

#### Sample Error Response:
```json
{
  "errCode": "<string>",
  "presentable": true,
  "name": "<string>",
  "code": 123,
  "details": "<string>",
  "metadata": {
    "errcode": [
      "<string>"
    ]
  }
}
```

### Authorizations

- **x-api-key**: (string)
  - Required: Yes
  - Default: NEYNAR_API_DOCS
  - Description: API key to authorize requests

### Query Parameters

- **name**: (string)
  - Required: Yes
  - Description: The Farcaster username or ENS address

### Response Fields

- **timestamp**: (integer<uint64>)
  - Required: Yes
  - Description: Seconds since Unix Epoch which began on Jan 1, 1970 00:00:00 UTC
- **name**: (string)
  - Required: Yes
  - Example: "neynar"
- **owner**: (string)
  - Required: Yes
  - Pattern: `^0x[0-9a-fA-F]{40}$`
- **signature**: (string<byte>)
  - Required: Yes
  - Pattern: `^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$`
- **fid**: (integer<uint64>)
  - Required: Yes
  - Example: `1`
- **type**: (enum<string>)
  - Required: Yes
  - Options: `USERNAME_TYPE_FNAME`, `USERNAME_TYPE_ENS_L1`