# accounts_get

## Overview

Returns core account information (sequence number and authentication key) for a given address.

## Endpoint

`GET /v1/accounts/{address}`

## Aptos-Specific Notes

- Accounts are resources; sequence numbers are required for building transactions.
- Addresses are 0x-prefixed hex strings; leading zeros are accepted.

## Request

### Path Parameters

| Name    | Type   | Required | Description                   |
| ------- | ------ | -------- | ----------------------------- |
| address | string | Yes      | Account address (e.g., `0x1`) |

### Query Parameters

None.

### Request Body

None.

## Response

### Success Response (200)

```
{
  "sequence_number": "string",
  "authentication_key": "string"
}
```

### Error Responses

| Status | Error Code          | Description            |
| ------ | ------------------- | ---------------------- |
| 400    | invalid\_input      | Invalid address format |
| 404    | account\_not\_found | Account doesn't exist  |
| 500    | internal\_error     | Server error           |

## Code Examples

cURL
Python
TypeScript
Rust SDK

```
curl -X GET https://api-aptos-mainnet.n.dwellir.com/YOUR_API_KEY/v1/accounts/0x1 \
  -H "Accept: application/json"
```

SDK

```
from aptos_sdk.client import RestClient
client = RestClient("https://api-aptos-mainnet.n.dwellir.com/YOUR_API_KEY/v1")
account = client.account("0x1")
```

```
import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
const aptos = new Aptos(new AptosConfig({ network: Network.MAINNET, fullnode: "https://api-aptos-mainnet.n.dwellir.com/YOUR_API_KEY/v1" }));
const account = await aptos.getAccountInfo({ accountAddress: "0x1" });
```

```
use aptos_sdk::rest_client::Client;
let client = Client::new("https://api-aptos-mainnet.n.dwellir.com/YOUR_API_KEY/v1".parse()?);
let account = client.get_account("0x1").await?;
```

## Common Use Cases

- Checking account existence before transactions
- Retrieving authentication keys for verification
- Getting sequence numbers for transaction building

## Related Endpoints

- accounts\_resources - Get account resources
- accounts\_modules - Get account modules