# Contract ArbOS 0x00000000000000000000000000000000000A4B05

> 0x00000000000000000000000000000000000A4B05 is a contract (ArbOS) on ApeChain (chain id 33139). ApeScan has indexed 0 transactions involving it.

- Canonical page: https://explorer.apechain.com/address/0x00000000000000000000000000000000000a4b05
- Chain: ApeChain (chain ID 33139)
- Address: `0x00000000000000000000000000000000000A4B05`
- Type: contract
- Name: ArbOS
- APE balance: 0 APE (0 wei)
- Nonce: 0
- Indexed transactions: 0
- Indexed token transfers: 2
- NFTs held (indexed): 1

## Token and NFT holdings

- [Bored Ape (BAYC)](https://explorer.apechain.com/token/0xb74c236e6ff476398bd777cf07eb36fbede0f766): 500,000 (500000000000000000000000 base units), ERC-20
- [QUANTUM on APE (QUA)](https://explorer.apechain.com/token/0x850d3e0966cc0666daa9064cd93f56ea7fa4e987): 1 item, ERC-721

## API

The same data as JSON (no key needed; see the rate limits in llms.txt):

- https://explorer.apechain.com/v1/addresses/0x00000000000000000000000000000000000a4b05
- https://explorer.apechain.com/v1/addresses/0x00000000000000000000000000000000000a4b05/tokens
- https://explorer.apechain.com/v1/addresses/0x00000000000000000000000000000000000a4b05/txs?limit=25
- https://explorer.apechain.com/api?module=account&action=txlist&address=0x00000000000000000000000000000000000a4b05&page=1&offset=25&sort=desc

Data comes from ApeScan's index of ApeChain. Amounts are exact; counts are indexed counts. Site guide for agents: https://explorer.apechain.com/llms.txt