## Hypersub subscription check

### API Request Examples

#### cURL

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

#### Python

```
import requests

url = "https://api.neynar.com/v2/stp/subscription_check/"

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

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

print(response.text)
```

#### JavaScript (Fetch API)

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

fetch('https://api.neynar.com/v2/stp/subscription_check/', 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.neynar.com/v2/stp/subscription_check/",
  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://api.neynar.com/v2/stp/subscription_check/"

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)

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

#### Ruby

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

url = URI("https://api.neynar.com/v2/stp/subscription_check/")

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**: Successful request
- **400**: Bad request

### Response Structure

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

### Authorization

- **x-api-key**: Required header to authorize requests (default: NEYNAR_API_DOCS)

### Query Parameters

- **addresses**: A required string parameter with a comma-separated list of Ethereum addresses (up to 350 at a time).
  - *Example*: "0xedd3783e8c7c52b80cfbd026a63c207edc9cbee7,0x5a927ac639636e534b678e81768ca19e2c6280b7"
- **contract_address**: A required string parameter for the Ethereum address of the STP contract.
  - *Example*: "0x76ad4cb9ac51c09f4d9c2cadcea75c9fa9074e5b"
- **chain_id**: A required string parameter for the Chain ID of the STP contract.
  - *Example*: "8453"

### Related topics
- [fetchSubscriptionCheck](https://docs.neynar.com/nodejs-sdk/subscriber-apis/fetchSubscriptionCheck)  
- [Find User Subscriptions with Neynar Hypersub](https://docs.neynar.com/docs/common-subscriptions-fabric)  
- [SDK v1 to v2 migration guide](https://docs.neynar.com/reference/neynar-nodejs-sdk-v1-to-v2-migration-guide)  
- [Subscriptions created by FID](https://docs.neynar.com/reference/fetch-subscriptions-for-fid)  
- [Check fname availability](https://docs.neynar.com/reference/is-fname-available)