> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zet.money/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> What's new in the Zet API

# Changelog

## v1.0.0 — March 2026

<Note>
  Initial release of the Zet Business API.
</Note>

### Added

* **Wallets API** — Create and manage smart wallets for your users with deterministic addresses across all EVM chains.
* **On-Ramp API** — Buy crypto with Nigerian Naira (NGN) via bank transfer. Supports CNGN, USDC, ETH, cbBTC, BNB, USDT.
* **Off-Ramp API** — Sell crypto for NGN to any Nigerian bank account.
* **Swap API** — Same-chain and cross-chain token swaps with optimized routing.
* **Cross-Chain Transfer API** — Bridge tokens between Base, BSC, Ethereum, Polygon, Arbitrum, Avalanche, and Solana.
* **Webhooks** — Register HTTPS endpoints to receive real-time transaction event notifications with HMAC-SHA256 verification.
* **Transactions API** — Query and filter transaction history with pagination.
* **Custodial & non-custodial flows** — Use Zet-managed wallets or bring your own.
* **Gas sponsorship** — All custodial wallet transactions are gasless, sponsored by Zet.