# API Reference

Low-level types and helpers exported by `seismic_web3`.

## Sections

* [Types](https://docs.seismic.systems/clients/python/api-reference/types/bytes32)
* [Transaction Types](https://docs.seismic.systems/clients/python/api-reference/transaction-types/signature)
* [EIP-712](https://docs.seismic.systems/clients/python/api-reference/eip712/sign-seismic-tx-eip712)

## Quick example

```python
from seismic_web3 import PrivateKey, SEISMIC_TESTNET, SRC20_ABI

pk = PrivateKey.from_hex_str("0x...")
w3 = SEISMIC_TESTNET.wallet_client(pk)
token = w3.seismic.contract("0xTokenAddress", SRC20_ABI)
```