> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kas.fyi/llms.txt
> Use this file to discover all available pages before exploring further.

# Get an API Key

> Start using Kaspa Developer Platform API in under 5 minutes

## Get API Access in 3 Steps

<AccordionGroup>
  <Accordion icon="user-plus" title="Step 1: Create Account">
    1. Visit [developer.kas.fyi/](https://developer.kas.fyi/) and sign up for a free account.
    2. Verify your email address
  </Accordion>

  <Accordion icon="key" title="Step 2: Get API Key">
    1. Log into your [My Account](https://developer.kas.fyi/account) and navigate to **API Key** section

    2. Click **Generate New Key**

    3. Securely store your key
  </Accordion>

  <Accordion icon="terminal" title="Step 3: Make First Request">
    Use this sample request to get address tag:

    ```bash theme={null}
    curl --request GET \
      --url https://api.kas.fyi/v1/addresses/{address}/tag \
      --header 'x-api-key: <api-key>'
    ```
  </Accordion>
</AccordionGroup>

## Code Examples

### TypeScript/JavaScript

```typescript theme={null}
const response = await fetch(
  'https://api.kas.fyi/v1/addresses/{address}/tag',
  {
    headers: { 'x-api-key': 'YOUR_API_KEY' },
  }
);

if (!response.ok) {
  throw new Error(`HTTP error! status: ${response.status}`);
}

const data = await response.json();
console.log(data);
```

### Python

```python theme={null}
import requests

url = "https://api.kas.fyi/v1/addresses/{address}/tag"
headers = {"x-api-key": "YOUR_API_KEY"}

response = requests.get(url, headers=headers)
response.raise_for_status()  # Raise exception for bad status codes

data = response.json()
print(data)
```

### cURL

```bash theme={null}
curl --request GET \
  --url https://api.kas.fyi/v1/addresses/{address}/tag \
  --header 'x-api-key: <api-key>'
```

## Expected Response

```json theme={null}
{
  "tag": {
    "address": "kaspa:qpzpfwcsqsxhxwup26r55fd0ghqlhyugz8cp6y3wxuddc02vcxtjg75pspnwz",
    "name": "Kucoin Wallet",
    "link": "https://kucoin.com",
    "type": "regular"
  }
}
```

## Next Steps

* 📚 Explore [API Reference](/api-reference/v1/address/get-address-tag) to discover all 30+ endpoints
* 🔐 Read [Authentication Guide](/authentication) for security best practices
* ⚖️ Check [Rate Limits](/rate-limits) to understand API usage limits