# Get transaction count by block number

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

POST https://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum

Retrieves the number of transactions in a specific block by block number.

Reference: https://www.alchemy.com/docs/chains/tron/tron-solidity-http-api-endpoints/tron-solidity-http-api-endpoints/get-transaction-count-by-block-number

## Code Examples

### cURL

```bash
curl --request POST \
  --url https://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum \
  --header 'Content-Type: application/json' \
  --data '{
  "num": 1
}'
```

### JavaScript

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

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

### Python

```python
import requests

url = "https://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum"

payload = { "num": 1 }
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://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum"

	payload := strings.NewReader("{\n  \"num\": 1\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://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum")
  .header("Content-Type", "application/json")
  .body("{\n  \"num\": 1\n}")
  .asString();
```

### C#

```csharp
using RestSharp;


var options = new RestClientOptions("https://tron-mainnet.g.alchemy.com/v2/docs-demo/walletsolidity/gettransactioncountbyblocknum");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"num\": 1\n}", false);
var response = await client.PostAsync(request);

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

```


## Operation Specification

```yaml
path: /walletsolidity/gettransactioncountbyblocknum
method: POST
operation:
  summary: Get transaction count by block number
  description: Retrieves the number of transactions in a specific block by block number.
  tags:
    - Tron Solidity HTTP API Endpoints
  requestBody:
    required: true
    content:
      application/json:
        schema:
          type: object
          properties:
            num:
              type: integer
  responses:
    '200':
      description: Successful response with transaction count
      content:
        application/json:
          schema:
            type: object
            properties:
              count:
                type: integer
            example:
              count: 138
```