# Tuyo Guides > Guides to Tuyo: interest strategies, card fees and limits, adding money, availability and self-custody. Every guide has a Markdown version: replace `.html` with `.md` in its URL. All guides in one file: https://help.tuyo.com/llms-full.txt ## Notes for AI assistants - Each Markdown guide starts with a metadata header (source URL, last update). Cite the source URL. - The options a person sees depend on their country, device, account verification and app version. Tell them to follow what their app shows. - Never ask for or accept a recovery phrase, private key or password. ## AI connection - [Use Tuyo with an AI assistant](https://help.tuyo.com/guides/tuyo-ai-connection.md): Understand what the Tuyo AI connection can read, prepare, and show. - [What you can do with Tuyo in an AI assistant](https://help.tuyo.com/guides/tuyo-ai-capabilities.md): A plain-language list of what you can do with the Tuyo AI connection. - [Connect Tuyo to your AI assistant](https://help.tuyo.com/guides/connect-tuyo-to-ai.md): Choose your AI app and follow illustrated steps to connect your Tuyo account. - [Connect Tuyo to Claude](https://help.tuyo.com/guides/connect-tuyo-to-claude.md): Add Tuyo to Claude, approve access on your phone, and ask about your account. - [Connect Tuyo to ChatGPT](https://help.tuyo.com/guides/connect-tuyo-to-chatgpt.md): Add the Tuyo connection in ChatGPT, approve access on your phone, and start a conversation. - [Approve a Tuyo AI connection](https://help.tuyo.com/guides/review-tuyo-ai-connection.md): Review access in Tuyo and return to your AI app to finish connecting. - [Send and convert money with an AI assistant](https://help.tuyo.com/guides/tuyo-ai-sends-and-conversions.md): Understand estimates, approval requests, and the difference between approval and completion. - [Understand balances and activity in your AI assistant](https://help.tuyo.com/guides/tuyo-ai-activity-and-balances.md): Read Cash, investments, spending totals, and period summaries without confusing them. - [Fix a problem with the Tuyo AI connection](https://help.tuyo.com/guides/tuyo-ai-troubleshooting.md): Troubleshoot approval, missing features, incomplete data, and pending requests. ## Cash - [Understand Cash in Tuyo](https://help.tuyo.com/guides/understand-cash.md): Find your everyday money and understand how Cash differs from Investments. - [Check which balance your card can spend](https://help.tuyo.com/guides/card-spendable-balance.md): Find the dollars available to your card and understand why euros can appear in Cash without being card-spendable. - [Use the Cash interest calculator](https://help.tuyo.com/guides/cash-interest-calculator.md): Compare projected savings over time without setting up deposits or activating an interest strategy. - [Review a Cash interest strategy](https://help.tuyo.com/guides/review-cash-strategy.md): Understand a strategy’s APY, lending model and risks before choosing whether to earn interest. - [View the interest earned on your Cash](https://help.tuyo.com/guides/view-cash-interest.md): Check your active Cash strategy’s earned interest and current rate. - [Change your Cash interest strategy](https://help.tuyo.com/guides/change-cash-strategy.md): Choose a different strategy and review its terms before making the change. - [Turn off interest on your Cash](https://help.tuyo.com/guides/turn-off-cash-interest.md): Move your Cash out of its interest strategy and keep it as plain USDC. - [Move your vault funds to Cash](https://help.tuyo.com/guides/vault-to-cash-update.md): Your card now spends only from Cash. Move the vaults you want to keep spending to Cash, and leave the rest earning in Investments. - [Turn on interest for your Cash](https://help.tuyo.com/guides/activate-cash-interest.md): Choose a Cash interest strategy, review its risks and confirm your choice. ## Adding money - [Choose how to add cash](https://help.tuyo.com/guides/add-cash.md): Open Add cash from the green plus button, then choose the method that works for you. - [Add cash with Apple Pay or Google Pay](https://help.tuyo.com/guides/add-cash-wallet.md): Use the wallet payment method offered by your app. - [Add cash with a debit or credit card](https://help.tuyo.com/guides/add-cash-card.md): Add money using an eligible saved card or link a new card. - [Add cash with a linked US bank account](https://help.tuyo.com/guides/add-cash-linked-bank.md): Link an eligible US bank or use an account you have already linked. - [Add cash by USD bank transfer](https://help.tuyo.com/guides/add-cash-usd.md): Send a domestic US bank transfer to your Tuyo dollar account details. - [Add cash by EUR bank transfer](https://help.tuyo.com/guides/add-cash-eur.md): Send euros by SEPA or SEPA Instant to your Tuyo IBAN. - [Add cash by MXN bank transfer](https://help.tuyo.com/guides/add-cash-mxn.md): Send Mexican pesos by SPEI to your Tuyo CLABE. - [Add cash from a crypto wallet or exchange](https://help.tuyo.com/guides/add-cash-crypto.md): Receive USDC on Base from another wallet or exchange. - [Add cash from Coinbase](https://help.tuyo.com/guides/add-cash-coinbase.md): Use the Coinbase deposit option when it appears in your app. ## Availability - [Tuyo availability](https://help.tuyo.com/guides/tuyo-availability.md): Where the Tuyo platform is generally available before card, bank-account, and third-party service restrictions are applied. - [Tuyo card availability](https://help.tuyo.com/guides/tuyo-card-availability.md): How to fund the Tuyo card and where card issuance and spending are unavailable. - [Bank accounts availability](https://help.tuyo.com/guides/wire-transfer-availability.md): How Tuyo bank accounts work and where Bridge bank-account services are available, restricted, or subject to additional verification. - [Bank transfer status](https://help.tuyo.com/guides/bank-transfer-status.md): What bank-transfer statuses mean, normal timing, and what information Support may request. - [Google Wallet country availability](https://help.tuyo.com/guides/google-wallet-country-availability.md): Check whether Google Wallet and tap to pay are available in your country or region. ## Cards - [Apple Pay card availability](https://help.tuyo.com/guides/apple-pay-card-availability.md): Check whether Apple Pay is available in your country or region and what to do if your Tuyo card cannot be added. - [Tuyo Card](https://help.tuyo.com/guides/card.md): Tuyo Card fees, daily spending limits, ATM withdrawals, supported balances and mobile wallets. - [Add card from Google Wallet](https://help.tuyo.com/guides/add-from-google-wallet.md): Add your Tuyo card directly in Google Wallet if adding from Tuyo does not work. - [Card limits](https://help.tuyo.com/guides/card-limits.md): How Tuyo card spending limits work and how to change them. - [ATM withdrawals](https://help.tuyo.com/guides/atm-withdrawals.md): How to withdraw cash from ATMs with your Tuyo card, and the limits that apply. ## Product information - [Frequently asked questions](https://help.tuyo.com/guides/faq.md): Answers about Tuyo fees, self-custody, supported networks, interest strategies and card spending. ## Account & security - [Transfer assets from a Kernel smart account](https://help.tuyo.com/guides/recover-kernel-assets.md): A verified Base recovery method using local signing, Viem and a public RPC, with collateral checks. - [Your recovery phrase and smart-account address](https://help.tuyo.com/guides/understand-your-smart-account.md): Understand your signer, why MetaMask shows a different address, and what independent access requires.