> For the complete documentation index, see [llms.txt](https://docs.3adao.org/3a-protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.3adao.org/3a-protocol/technical-documentation.md).

# TECHNICAL DOCUMENTATION

- [User Interface](https://docs.3adao.org/3a-protocol/technical-documentation/user-interface.md)
- [Smart Contracts](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts.md)
- [Linea Mainnet Contracts](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/linea-mainnet-contracts.md)
- [Polygon Mainnet Contracts](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/polygon-mainnet-contracts.md)
- [RedBelly Testnet Contracts](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/redbelly-testnet-contracts.md)
- [API](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/api.md): The 3A Borrowing Protocol API is engineered to facilitate seamless interaction between integrators and the core protocol contracts.
- [Interacting with contracts](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/interacting-with-contracts.md): The pages here contain guides and technical documentation for the 3A Protocol Smart Contracts. You can use these docs to learn about protocol Smart Contracts and develop on-chain integrations.
- [Creating a vault](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/interacting-with-contracts/creating-a-vault.md)
- [Adding and removing collateral](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/interacting-with-contracts/adding-and-removing-collateral.md)
- [Borrowing and Repaying](https://docs.3adao.org/3a-protocol/technical-documentation/smart-contracts/interacting-with-contracts/borrowing-and-repaying.md)
- [Audit Report](https://docs.3adao.org/3a-protocol/technical-documentation/audit-report.md)
- [Hypernative](https://docs.3adao.org/3a-protocol/technical-documentation/audit-report/hypernative.md): Certificate of active Web3 protection
- [Bug Bounties](https://docs.3adao.org/3a-protocol/technical-documentation/bug-bounties.md): Incentives for community members to review the protocol and submit issues