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v50

latestOpenAPI 3.0.0Apache 2.0raw.githubusercontent.com2026-06-1829190524.6 KB
Accounts

Get account

Return the authentication key and the sequence number for an account address. Optionally, a ledger version can be specified. If the ledger version is not specified in the request, the latest ledger version is used.

get/accounts/{address}

Path parameters

addressstring hex required

A hex encoded 32 byte Aptos account address.

This is represented in a string as a 64 character hex string, sometimes shortened by stripping leading 0s, and adding a 0x.

For example, address 0x0000000000000000000000000000000000000000000000000000000000000001 is represented as 0x1.

Address of account with or without a 0x prefix

Query parameters

ledger_versionstring uint64

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

Example:32425224034

Ledger version to get state of account

If not provided, it will be the latest version

Response

sequence_numberstring uint64 required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

authentication_keystring hex required

All bytes (Vec<u8>) data is represented as hex-encoded string prefixed with 0x and fulfilled with two hex digits per byte.

Unlike the Address type, HexEncodedBytes will not trim any zeros.

Example response

{
  "sequence_number": "32425224034"
}
All 29 operations