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

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

TypeScript SDK

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" });

Python SDK

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

Rust SDK

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