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

# Technical Documentation

- [Delegate Registry](https://docs.delegate.xyz/technical-documentation/delegate-registry.md)
- [Contract Addresses](https://docs.delegate.xyz/technical-documentation/delegate-registry/contract-addresses.md)
- [IDelegateRegistry.sol](https://docs.delegate.xyz/technical-documentation/delegate-registry/idelegateregistry.sol.md): IDelegateRegistry.sol
- [Javascript SDK](https://docs.delegate.xyz/technical-documentation/javascript-sdk.md)
- [Installation / Importing](https://docs.delegate.xyz/technical-documentation/javascript-sdk/installation-importing.md)
- [Setup](https://docs.delegate.xyz/technical-documentation/javascript-sdk/setup.md)
- [Check Delegations](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations.md)
- [checkDelegateForAll](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations/checkdelegateforall.md): Check if \`to\` is a delegate of \`from\` for the entire wallet
- [checkDelegateForContract](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations/checkdelegateforcontract.md): Check if \`to\` is a delegate of \`from\` for the specified \`contract\` or the entire wallet
- [checkDelegateForERC721](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations/checkdelegateforerc721.md): Check if \`to\` is a delegate of \`from\` for the specific \`contract\` and \`tokenId\`, the entire \`contract\`, or the entire wallet
- [checkDelegateForERC1155](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations/checkdelegateforerc1155.md): Returns the amount of a ERC1155 tokens the delegate is granted rights to act on the behalf of
- [checkDelegateForERC20](https://docs.delegate.xyz/technical-documentation/javascript-sdk/check-delegations/checkdelegateforerc20.md): Returns the amount of ERC20 tokens the delegate is granted rights to act on the behalf of
- [Fetch Delegations](https://docs.delegate.xyz/technical-documentation/javascript-sdk/fetch-delegations.md)
- [Delegate/Revoke](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke.md)
- [delegateAll](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke/delegateall.md): Allow the delegate to act on behalf of \`msg.sender\` for all contracts
- [delegateContract](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke/delegatecontract.md): Allow the delegate to act on behalf of \`msg.sender\` for a specific contract
- [delegateERC721](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke/delegateerc721.md): Allow the delegate to act on behalf of \`msg.sender\` for a specific ERC721 token
- [delegateERC1155](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke/delegateerc1155.md): Allow the delegate to act on behalf of \`msg.sender\` for a specific amount of ERC1155 tokens
- [delegateERC20](https://docs.delegate.xyz/technical-documentation/javascript-sdk/delegate-revoke/delegateerc20.md): Allow the delegate to act on behalf of \`msg.sender\` for a specific amount of ERC20 tokens
- [REST API](https://docs.delegate.xyz/technical-documentation/rest-api.md)
- [v2](https://docs.delegate.xyz/technical-documentation/rest-api/v2.md)
- [v1](https://docs.delegate.xyz/technical-documentation/rest-api/v1.md)