# Unvault Developer Docs

> Developer documentation for Unvault, a cross-chain NFT marketplace, launchpad and vault. Protocol contracts are owned by UV Tech Foundation; the services are operated by Unvault (BVI) Ltd.

## Overview
- [Introduction](https://docs.unvault.com/index.md): What developers can build on Unvault and where to start.
- [Architecture at a glance](https://docs.unvault.com/architecture.md): The contract groups that make up Unvault and how a trade, mint and vault move flow through them.
- [Supported chains](https://docs.unvault.com/supported-chains.md): Chains where the marketplace, launchpad and vault run, with chain IDs and native currencies.

## Getting started
- [Quickstart](https://docs.unvault.com/quickstart.md): Get an API key and make a first request.
- [Authentication](https://docs.unvault.com/authentication.md): API keys for reads; wallet signatures for actions on behalf of a user.
- [Rate limits](https://docs.unvault.com/rate-limits.md): Token-bucket limits per key, standard headers and 429 handling.
- [Errors and pagination](https://docs.unvault.com/errors-and-pagination.md): Error envelope, cursor pagination, timestamps and identifiers.

## API reference
- [API overview](https://docs.unvault.com/api-overview.md): Planned endpoints grouped by resource.
- [Collections and items](https://docs.unvault.com/api-collections-items.md): Read collection metadata, stats, traits and items across chains.
- [Listings and offers](https://docs.unvault.com/api-orders.md): Create signed orders and fetch fulfilment data.
- [Activity and vault status](https://docs.unvault.com/api-activity-vault.md): Event feed and cross-chain move tracking.

## Smart contracts
- [Contract addresses](https://docs.unvault.com/contract-addresses.md): Where the canonical protocol contract addresses for each chain are published, and how to verify one.
- [Standards and interfaces](https://docs.unvault.com/standards.md): ERC-721AC, transfer validators, creator earnings and metadata standards used by Unvault collections.

## Vault and cross-chain
- [How the vault works](https://docs.unvault.com/vault-overview.md): Lock on the origin chain, mirror on the destination chain, one usable copy at any time.
- [Integrating vault status](https://docs.unvault.com/vault-integration.md): Show the right chain, the right copy and the right warnings in wallets and marketplaces.

## Launchpad and creators
- [Launching a collection](https://docs.unvault.com/launchpad.md): Phases, Bugz holder access, allowlists and signed vouchers.
- [Metadata and media](https://docs.unvault.com/metadata.md): Token and contract metadata formats for EVM and Solana collections.
- [Generative mint studio](https://docs.unvault.com/generative-mint-studio.md): Build a generative collection from trait layers with rules, rarity and deterministic output.
- [Pools and DIVIT](https://docs.unvault.com/pools-and-divit.md): Collection liquidity pools, DIVIT reward pools, the Minter's Bonus, and gacha cycles.

## Resources
- [Changelog](https://docs.unvault.com/changelog.md): Notable changes to the docs and APIs.
- [API terms and attribution](https://docs.unvault.com/api-terms.md): What you may do with API data, and how to attribute Unvault.
- [Developer support](https://docs.unvault.com/support.md): Where to ask questions and report problems.