> For the complete documentation index, see [llms.txt](https://beosinofficials-organization.gitbook.io/beosin-api-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://beosinofficials-organization.gitbook.io/beosin-api-documentation/api-endpoints/supported-chains.md).

# Supported Chains

### Description

Obtain information on all chain platforms supported by the system for reference when determining the value of the chainId parameter in subsequent interfaces .

Returns all blockchain platforms currently supported by the system, including chain name, chain ID, and support level.

DOC:[Supported Chains](/beosin-api-documentation/support/supported-chains.md)

### Basic Info

> * Request Method: GET
> * API URL: <https://api.beosin.com/api/v1/platforms>

### **Header** Request Parameter

<table><thead><tr><th width="150"></th><th width="193">Required Field (Y/N)</th><th width="157">Parameter Type</th><th width="250">Description</th></tr></thead><tbody><tr><td><a href="/beosin-api-documentation/getting-started/verification.md">APPID</a></td><td>Y</td><td>String</td><td>Unique authentication APPID assigned by KYT system</td></tr><tr><td><a href="/beosin-api-documentation/getting-started/verification.md">APP-SECRET</a></td><td>Y</td><td>String</td><td>Unique authentication APP-SECRET assigned by KYT system</td></tr></tbody></table>

### Query Parameter

none

### Return Parameter

| Parameter       | Type             | Description                              |
| --------------- | ---------------- | ---------------------------------------- |
| data            | Array\<Platform> | List of blockchain platforms             |
| data\[].chain   | String           | Chain names, such as Ethereum, BSC, Tron |
| data\[].chainId | String           | Chain ID, such as "1", "56"              |
| data\[].support | String           | Support levels: Full Query, Basic Query  |

### Request Example

```
GET https://api.beosin.com/api/v1/platforms
```

### Response Example

```json
{ 
"code": 200, 
"msg": "success", 
"id": 2084169716741578752, 
"data": [ 
{ 
"chain": "ETH", 
"chainId": "1", 
"support": "Full Query" 
}, 
{ 
"chain": "BSC", 
"chainId": "56", 
"support": "Full Query" 
}, 
{ 
"chain": "TRON", 
"chainId": "79", 
"support": "Basic Query" 
} 
] 
}
```