# Guides

- [Authentication](/how-to-integrate/guides/authentication.md): User signature is required to fetch data
- [Identity](/how-to-integrate/guides/identity.md)
- [How to resolve identity?](/how-to-integrate/guides/identity/how-to-resolve-identity.md)
- [How to create identity?](/how-to-integrate/guides/identity/how-to-create-identity.md): Create Identity under your own namespace
- [How to update identity?](/how-to-integrate/guides/identity/how-to-update-identity.md): Process of updating an identity
- [Transaction Requests](/how-to-integrate/guides/transaction-requests.md)
- [How to get transaction requests?](/how-to-integrate/guides/transaction-requests/how-to-get-transaction-requests.md): Process of getting transaction requests
- [How to create transaction request?](/how-to-integrate/guides/transaction-requests/how-to-create-transaction-request.md): Process of creating a transaction request
- [How to build transaction?](/how-to-integrate/guides/transaction-requests/how-to-build-transaction.md): Build Same or Cross chain transactions
- [How to resolve transaction request?](/how-to-integrate/guides/transaction-requests/how-to-resolve-transaction-request.md): Resolve a payment request
- [Address Books](/how-to-integrate/guides/address-books.md)
- [How to get address books?](/how-to-integrate/guides/address-books/how-to-get-address-books.md): Process of fetching address books
- [How to create address books?](/how-to-integrate/guides/address-books/how-to-create-address-books.md): Process of creating address book
- [How to share address book?](/how-to-integrate/guides/address-books/how-to-share-address-book.md): Sharing address books has never been easy
- [How to accept address book request?](/how-to-integrate/guides/address-books/how-to-accept-address-book-request.md): Accepting request to address book
- [Utility](/how-to-integrate/guides/utility.md)
- [How to sign messages?](/how-to-integrate/guides/utility/how-to-sign-messages.md)
- [EVM](/how-to-integrate/guides/utility/how-to-sign-messages/evm.md)
- [Solana](/how-to-integrate/guides/utility/how-to-sign-messages/solana.md)
- [Aptos](/how-to-integrate/guides/utility/how-to-sign-messages/aptos.md)
- [EIP-6492 Compatible Signatures](/how-to-integrate/guides/utility/how-to-sign-messages/eip-6492-compatible-signatures.md): Fetcch supports EIP-6492 for pre-deployed smart accounts
- [How to generate & verify proofs for identity?](/how-to-integrate/guides/utility/how-to-generate-and-verify-proofs-for-identity.md)