# getVersionInfo

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

POST https://stellar-mainnet.g.alchemy.com/v2/{apiKey}

Version information about the RPC and Captive core. RPC manages its own, pared-down version of Stellar Core optimized for its own subset of needs. we'll refer to this as a "Captive Core" instance.

Reference: https://www.alchemy.com/docs/chains/stellar/stellar-api-endpoints/get-version-info

## Result

**getVersionInfoResult** (object)

## Code Examples

### cURL

```bash
curl --request POST \
  --url https://stellar-mainnet.g.alchemy.com/v2/docs-demo \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getVersionInfo"
}'
```

### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({jsonrpc: '2.0', id: 1, method: 'getVersionInfo'})
};

fetch('https://stellar-mainnet.g.alchemy.com/v2/docs-demo', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### Python

```python
import requests

url = "https://stellar-mainnet.g.alchemy.com/v2/docs-demo"

payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getVersionInfo"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
```

### Go

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://stellar-mainnet.g.alchemy.com/v2/docs-demo"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"getVersionInfo\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
```

### Java

```java
HttpResponse<String> response = Unirest.post("https://stellar-mainnet.g.alchemy.com/v2/docs-demo")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"getVersionInfo\"\n}")
  .asString();
```

### C#

```csharp
using RestSharp;


var options = new RestClientOptions("https://stellar-mainnet.g.alchemy.com/v2/docs-demo");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"getVersionInfo\"\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

```


## OpenRPC Method Specification

```yaml
name: getVersionInfo
summary: returns version information of RPC and Captive Core
description: Version information about the RPC and Captive core. RPC manages its own, pared-down version of Stellar Core optimized for its own subset of needs. we'll refer to this as a "Captive Core" instance.
externalDocs:
  url: https://developers.stellar.org/docs/data/apis/rpc/api-reference/methods/getVersionInfo
paramStructure: by-name
params: []
result:
  name: getVersionInfoResult
  schema:
    type: object
    properties:
      version:
        type: string
        description: The version of the RPC server.
        example: 23.0.1
      commitHash:
        type: string
        description: The commit hash of the RPC server.
        example: fcd2f0523f04279bae4502f3e3fa00ca627e6f6a
      buildTimestamp:
        type: string
        description: The build timestamp of the RPC server.
        example: '2025-05-10T11:18:38'
      captiveCoreVersion:
        type: string
        description: The version of the Captive Core.
        example: stellar-core 23.0.1 (050eacf11a15afb2e95560dfb5723dfdcf78070f)
      protocolVersion:
        type: integer
        description: The protocol version.
        example: 23
```