# validateaddress

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

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

Verifies the validity of a given Bitcoin address and provides additional metadata about it.


Reference: https://www.alchemy.com/docs/chains/bitcoin/bitcoin-api-endpoints/validateaddress

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| address | string | Yes | The Bitcoin address to validate. |

## Result

**result** (object): Validation result and metadata about the address.

## Example

### Request

```json
{
  "jsonrpc": "2.0",
  "method": "validateaddress",
  "params": [
    "39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7"
  ],
  "id": 1
}
```

### Response

```json
{
  "jsonrpc": "2.0",
  "result": {
    "isvalid": true,
    "address": "39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7",
    "scriptPubKey": "a91453ca847feb3986cf2be405429e7e513484e0bc9387",
    "isscript": true,
    "iswitness": false
  },
  "id": 1
}
```

## Code Examples

### cURL

```bash
curl --request POST \
  --url https://bitcoin-mainnet.g.alchemy.com/v2/docs-demo \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "validateaddress",
  "params": [
    "39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7"
  ]
}'
```

### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'validateaddress',
    params: ['39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7']
  })
};

fetch('https://bitcoin-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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo"

payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "validateaddress",
    "params": ["39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7"]
}
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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"validateaddress\",\n  \"params\": [\n    \"39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7\"\n  ]\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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"validateaddress\",\n  \"params\": [\n    \"39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7\"\n  ]\n}")
  .asString();
```

### C#

```csharp
using RestSharp;


var options = new RestClientOptions("https://bitcoin-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\": \"validateaddress\",\n  \"params\": [\n    \"39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7\"\n  ]\n}", false);
var response = await client.PostAsync(request);

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

```


## OpenRPC Method Specification

```yaml
name: validateaddress
summary: Validate a Bitcoin address
description: |
  Verifies the validity of a given Bitcoin address and provides additional metadata about it.
params:
  - name: address
    required: true
    description: The Bitcoin address to validate.
    schema:
      title: Bitcoin Address
      type: string
      pattern: ^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$
      description: A valid Bitcoin address.
result:
  name: result
  description: Validation result and metadata about the address.
  schema:
    type: object
    properties:
      isvalid:
        type: boolean
        description: Whether the address is valid.
      address:
        type: string
        description: The validated Bitcoin address.
      scriptPubKey:
        type: string
        description: The hex encoded scriptPubKey generated by the address.
      isscript:
        type: boolean
        description: Whether the address corresponds to a script.
      iswitness:
        type: boolean
        description: Whether the address is a witness address.
      witness_version:
        type: integer
        description: The version number of the witness program.
      witness_program:
        type: string
        description: The hex value of the witness program.
examples:
  - name: validateaddress example
    params:
      - name: address
        value: 39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7
    result:
      name: result
      value:
        isvalid: true
        address: 39L4cdhha5ueasiKz1wRVd75fHdB9NV2t7
        scriptPubKey: a91453ca847feb3986cf2be405429e7e513484e0bc9387
        isscript: true
        iswitness: false
```