# v0/chains REST API Endpoint

#### Returns a list of chains.

Updated on

Jun 26, 2026

### Parameters

This method does not accept any parameters

### Returns

data

array

An array of data which contains the following fields:

- **slug**  
  string  
  A short, unique identifier for the blockchain network

- **networks**  
  array  
  An array of networks
   
  - **slug**  
    string  
    A short, unique identifier for the specific network
  
  - **name**  
    string  
    The name of the specific network

- **error**  
  string  
  An error message if any issue occurs

### Request

#### Curl

```bash
curl -X 'GET' \
  'https://api.quicknode.com/v0/chains' \
  -H 'accept: application/json' \
  -H 'x-api-key: YOUR_API_KEY'
```

#### JavaScript

```javascript
const myHeaders = new Headers();
myHeaders.append("accept", "application/json");
myHeaders.append("x-api-key", "YOUR_API_KEY");

const requestOptions = {
  method: "GET",
  headers: myHeaders,
  redirect: "follow"
};

fetch("https://api.quicknode.com/v0/chains", requestOptions)
  .then((response) => response.text())
  .then((result) => console.log(result))
  .catch((error) => console.error(error));
```

#### Python

```python
import requests

url = "https://api.quicknode.com/v0/chains"

payload = {}
headers = {
  'accept': 'application/json',
  'x-api-key': 'YOUR_API_KEY',
}

response = requests.request("GET", url, headers=headers, data=payload)

print(response.text)
```

#### Ruby

```ruby
require "uri"
require "net/http"

url = URI("https://api.quicknode.com/v0/chains")

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

request = Net::HTTP::Get.new(url)
request["accept"] = "application/json"
request["x-api-key"] = "YOUR_API_KEY"

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

#### Rust

```rust
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let qn = QuicknodeSdk::new(&SdkFullConfig::builder().api_key("YOUR_API_KEY").build())?;
    let response = qn.admin.list_chains().await?;

println!("{:?}", response);
    Ok(())
}
```

#### Quicknode CLI

```bash
qn chain list -o json
```