> For the complete documentation index, see [llms.txt](https://docs.abyiss.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.abyiss.com/blockchain-api/rest-apis/blockchains.md).

# Blockchains

## Get Exchange Blockchains

<mark style="color:blue;">`GET`</mark> `https://api.abyiss.com/v2/dex/{exchange}`

Returns an array of supported blockchains for a decentralized exchange.

#### Path Parameters

| Name                                       | Type   | Description                |
| ------------------------------------------ | ------ | -------------------------- |
| exchange<mark style="color:red;">\*</mark> | string | The decentralized exchange |

#### Query Parameters

| Name                                     | Type   | Description         |
| ---------------------------------------- | ------ | ------------------- |
| apiKey<mark style="color:red;">\*</mark> | string | Your Abyiss API Key |

{% tabs %}
{% tab title="200: OK Success" %}

```javascript
[
    {
        "id": "ethereum",
        "name": "Ethereum"
    },
    {
        "id": "polygon",
        "name": "Polygon"
    },
    {
        "id": "optimism",
        "name": "Optimism"
    },
    {
        "id": "celo",
        "name": "Celo"
    },
    {
        "id": "arbitrum",
        "name": "Arbitrum"
    },
    {
        "id": "binance",
        "name": "Binance Smart Chain"
    }
]
```

{% endtab %}

{% tab title="401: Unauthorized Unauthorized -- Invalid API Key" %}

```javascript
{
    "Unauthorized": "Invaild API Key"
}
```

{% endtab %}
{% endtabs %}

### **Copy & Paste Code**

{% tabs %}
{% tab title="Curl" %}

```bash
curl -H "apiKey: API KEY" https://api.abyiss.com/v2/dex/uniswap
```

{% endtab %}

{% tab title="Python" %}

```python
import urllib.request
url = "https://api.abyiss.com/v2/dex/uniswap?apiKey=*"
print(urllib.request.urlopen(url).read())
```

{% endtab %}

{% tab title="JavaScript" %}

```javascript
fetch("https://api.abyiss.com/v2/dex/uniswap?apiKey=*")
  .then(response => response.json())
  .then(data => console.log(data))
```

{% endtab %}

{% tab title="Node.js" %}

```javascript
require('axios')
  .get("https://api.abyiss.com/v2/dex/uniswap?apiKey=*")
  .then(response => console.log(response))
```

{% endtab %}

{% tab title="Ruby" %}

```ruby
require 'net/http'
uri = URI("https://api.abyiss.com/v2/dex/uniswap?apiKey=*")
puts Net::HTTP.get(uri)
```

{% endtab %}
{% endtabs %}

### **Response Object**

Example URL: <https://api.abyiss.com/v2/dex/uniswap?apiKey=>

```json
[
    {
        "id": "ethereum",
        "name": "Ethereum"
    },
    {
        "id": "polygon",
        "name": "Polygon"
    },
    {
        "id": "optimism",
        "name": "Optimism"
    },
    {
        "id": "celo",
        "name": "Celo"
    },
    {
        "id": "arbitrum",
        "name": "Arbitrum"
    },
    {
        "id": "binance",
        "name": "Binance Smart Chain"
    }
]
```

### Response Attributes

| Attribute Name | Data Type | Description                                      |
| -------------- | --------- | ------------------------------------------------ |
| id             | string    | Unique exchange identifier used by Abyiss.       |
| name           | string    | The official name of the decentralized exchange. |


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.abyiss.com/blockchain-api/rest-apis/blockchains.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.