# XY Finance ## XY Finance - [Getting Started](https://docs.xy.finance/protocol.md): An overview of XY Finance and the services that spawn on it - [XY Token](https://docs.xy.finance/xy-token.md) - [Supported Blockchains/Bridges/DEXs](https://docs.xy.finance/supported-blockchains-bridges-dexs.md): Lists a good selection of blockchains that are currently supported by XY Finance - [Fee Structure](https://docs.xy.finance/fee-structure.md): Highlights the rates on XY Finance and lets users know what to expect when working with us. - [yBridge Fee Information](https://docs.xy.finance/fee-structure/ybridge-fee-information.md) - [(Legacy) XY Bridge Fee Information](https://docs.xy.finance/fee-structure/legacy-xy-bridge-fee-information.md) - [Bridge Aggregator : XY Finance](https://docs.xy.finance/products/x-swap.md): An algorithm-driven trading platform that creates functionality to make swaps and add/remove liquidity with ease. - [Gasless Transaction](https://docs.xy.finance/products/x-swap/gasless-transaction.md) - [Bridge : yBridge](https://docs.xy.finance/products/y-pool.md) - [Yield Farming](https://docs.xy.finance/products/y-pool/yield-farming.md) - [Omnichain Settlement](https://docs.xy.finance/products/y-pool/settlement.md): Enables greater speed, low transaction costs, and features higher capacity for better interoperability and decentralized user experience. - [Consensus](https://docs.xy.finance/products/y-pool/consensus.md): A fault-tolerant mechanism to achieve agreement, assurance, and security in the blockchain system across the decentralized network. - [Refuel](https://docs.xy.finance/products/refuel.md) - [Proxy Bridge](https://docs.xy.finance/products/proxy-bridge.md) - [Cross Chain Infrastructure](https://docs.xy.finance/products/cross-chain-infrastructure.md): A Toolkit That Makes Going Cross-Chain Easier - [XY Finance API (Multiple Bridges Aggregator)](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator.md) - [Get Quote](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/get-quote.md) - [Get Allowance](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/get-allowance.md) - [Build Approval Transaction](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/build-approval-transaction.md) - [Build Swap Transaction](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/build-swap-transaction.md) - [Get Cross-Chain Status](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/get-cross-chain-status.md) - [Get MinimumSwapAmount](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/get-minimumswapamount.md) - [Recommended Tokens](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/recommended-tokens.md) - [Supported Blockchains/Bridges/DEXs](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/supported-blockchains-bridges-dexs.md): Full list of supported blockchain networks - [Error Message](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/error-message.md) - [Monetization / Take Fees](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/monetization-take-fees.md) - [Change Log](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-api-multiple-bridges-aggregator/change-log.md) - [XY Finance Widget (iframe)](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-iframe.md): XY Finance Widget is easy to embed into your apps and sites alike, helping engage and retain your users. - [(Legacy) XY Finance Widget (iframe)](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-iframe/legacy-xy-finance-widget-iframe.md): XY Finance Widget is easy to embed into your apps and sites alike, helping engage and retain your users. - [XY Finance Widget (NPM)](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm.md): Starting from NPM version 4.0, we have officially migrated from wagmi v1 to wagmi v2. ( Learn more information about version change in Change Log ) - [Install the Widget](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm/install-the-widget.md) - [Configure the Widget](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm/configure-the-widget.md) - [Customize the Theme](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm/customize-the-theme.md): Customize the widget to best match your web’s design. - [Widget API Reference](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm/widget-api-reference.md) - [Change Log](https://docs.xy.finance/bridge-aggregator-integration/xy-finance-widget-npm/change-log.md) - [Custom-Built Link](https://docs.xy.finance/bridge-aggregator-integration/custom-built-link.md): Builds an all-inclusive link that automatically has the amount, slippage, route, and so on all set and helps your users save time and effort. - [Token Listing](https://docs.xy.finance/bridge-aggregator-integration/token-listing.md): Lists your token as the default token on XY Finance to gain more exposure. - [yBridge API](https://docs.xy.finance/single-bridge-integration/ybridge-api.md) - [Get Quote](https://docs.xy.finance/single-bridge-integration/ybridge-api/get-quote.md): Returns feasible routes and best quotations - [Get Allowance](https://docs.xy.finance/single-bridge-integration/ybridge-api/get-allowance.md): Returns the token spend allowed by an address on behalf of the crypto holder. - [Build Approval Transaction](https://docs.xy.finance/single-bridge-integration/ybridge-api/build-approval-transaction.md): Returns the transaction data for the approval of token spend - [Build Swap Transaction](https://docs.xy.finance/single-bridge-integration/ybridge-api/build-swap-transaction.md): Returns the swap data for bridging tokens - [Get Cross-Chain Status](https://docs.xy.finance/single-bridge-integration/ybridge-api/get-cross-chain-status.md): Returns the status of cross-chain transactions - [Get Pool Liquidity](https://docs.xy.finance/single-bridge-integration/ybridge-api/get-pool-liquidity.md) - [Get Fee Structure](https://docs.xy.finance/single-bridge-integration/ybridge-api/get-fee-structure.md) - [Recommended Tokens](https://docs.xy.finance/single-bridge-integration/ybridge-api/recommended-tokens.md): Allows any third party that capitalizes on our open APIs to access a list of tokens that we support via our endpoint - [Supported Blockchains](https://docs.xy.finance/single-bridge-integration/ybridge-api/supported-blockchains.md): Lists a good selection of blockchains that are currently supported by yBridge - [Error Message](https://docs.xy.finance/single-bridge-integration/ybridge-api/error-message.md) - [Change Log](https://docs.xy.finance/single-bridge-integration/ybridge-api/change-log.md): Keeps you updated with the most recent slight changes to our API at regular intervals - [yBridge Contract Integration](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration.md) - [Integrate YBridge Contract](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridge-contract.md): XY Finance deploys smart contracts on most mainstream chains and benefits all types of users in terms of secure cross-chain swaps. - [Bridge Example](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridge-contract/bridge-example.md): This is a simple bridge request (without invoking swap on the source chain) example - [Latest Upgrade ( 2024/07/17 )](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridge-contract/latest-upgrade-2024-07-17.md): There will be additional charge imposed by some DEX aggregators which provide swapping service. Therefore, the YBridgeV3 contract is upgraded to reflect such expense. - [Migrate from V2 to V3](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridge-contract/migrate-from-v2-to-v3.md): This document provides a detailed outline of the key changes between XSwapper (V2) and YBridge (V3) and guides you through the necessary steps to migrate your system - [Integrate YBridgeVault Contract](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridgevault-contract.md) - [Maximum Available Liquidity](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridgevault-contract/maximum-available-liquidity.md) - [Migrate from V2 to V3](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/integrate-ybridgevault-contract/migrate-from-v2-to-v3.md): This migration guide is intended for developers working with our smart contract. This document outlines the key changes between the current and upcoming versions, including function parameter renames, - [(Legacy) Integrate X Swap Contract](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/smart-contract.md): XY Finance deploys smart contracts of Swapper (X Swap) on most mainstream chains and benefits all types of users in terms of secure cross-chain swaps. - [(Legacy) Bridge Example](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/smart-contract/legacy-bridge-example.md): This is a simple bridge request (without invoking swap) example - [(Legacy) Integrate Y Pool Contract](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/legacy-integrate-y-pool-contract.md) - [(Legacy) Maximum Available Liquidity](https://docs.xy.finance/single-bridge-integration/ybridge-contract-integration/legacy-integrate-y-pool-contract/legacy-maximum-available-liquidity.md) - [xAsset Bridge](https://docs.xy.finance/single-bridge-integration/xasset-bridge.md): Upgrade you token into multi-chain world - [How to Develop Under XY Standards](https://docs.xy.finance/single-bridge-integration/xasset-bridge/how-to-develop-under-xy-standards.md) - [Function Interface for Token Contract](https://docs.xy.finance/single-bridge-integration/xasset-bridge/how-to-develop-under-xy-standards/function-interface-for-token-contract.md) - [How to Deposit / Withdraw Liquidity](https://docs.xy.finance/single-bridge-integration/xasset-bridge/how-to-deposit-withdraw-liquidity.md): How to add / remove liquidity using pool-based method - [Direct Contract Interaction](https://docs.xy.finance/single-bridge-integration/xasset-bridge/how-to-deposit-withdraw-liquidity/direct-contract-interaction.md) - [Through the Explorer](https://docs.xy.finance/single-bridge-integration/xasset-bridge/how-to-deposit-withdraw-liquidity/through-the-explorer.md) - [Set up Your Own Validator](https://docs.xy.finance/single-bridge-integration/xasset-bridge/set-up-your-own-validator.md): Explain how transaction verify by multiple validator - [Addresses](https://docs.xy.finance/smart-contract/addresses.md) - [Ethereum (chain id : 1)](https://docs.xy.finance/smart-contract/addresses/ethereum-chain-id-1.md) - [BNB Chain (chain id : 56)](https://docs.xy.finance/smart-contract/addresses/bnb-chain-chain-id-56.md) - [Polygon (chain id : 137)](https://docs.xy.finance/smart-contract/addresses/polygon-chain-id-137.md) - [Cronos (chain id : 25)](https://docs.xy.finance/smart-contract/addresses/cronos-chain-id-25.md) - [Avalanche (chain id : 43144)](https://docs.xy.finance/smart-contract/addresses/avalanche-chain-id-43144.md) - [Kucoin Community Chain (chain id : 321)](https://docs.xy.finance/smart-contract/addresses/kucoin-community-chain-chain-id-321.md) - [Arbitrum (chain id : 42161)](https://docs.xy.finance/smart-contract/addresses/arbitrum-chain-id-42161.md) - [Optimism (chain id : 10)](https://docs.xy.finance/smart-contract/addresses/optimism-chain-id-10.md) - [Astar (chain id : 592)](https://docs.xy.finance/smart-contract/addresses/astar-chain-id-592.md) - [Kaia (chain id : 8217)](https://docs.xy.finance/smart-contract/addresses/kaia-chain-id-8217.md) - [zkSync Era (chain id : 324)](https://docs.xy.finance/smart-contract/addresses/zksync-era-chain-id-324.md) - [Polygon zkEVM ( chainid : 1101)](https://docs.xy.finance/smart-contract/addresses/polygon-zkevm-chainid-1101.md) - [Linea (chain id : 59144)](https://docs.xy.finance/smart-contract/addresses/linea-chain-id-59144.md) - [Base (chain id : 8453)](https://docs.xy.finance/smart-contract/addresses/base-chain-id-8453.md) - [Mantle ( chain id : 5000)](https://docs.xy.finance/smart-contract/addresses/mantle-chain-id-5000.md) - [Scroll (chain id : 534352 )](https://docs.xy.finance/smart-contract/addresses/scroll-chain-id-534352.md) - [Blast (chain id : 81457)](https://docs.xy.finance/smart-contract/addresses/blast-chain-id-81457.md) - [X Layer (chain id : 196)](https://docs.xy.finance/smart-contract/addresses/x-layer-chain-id-196.md) - [Taiko (chain id : 167000)](https://docs.xy.finance/smart-contract/addresses/taiko-chain-id-167000.md) - [Cronos zkEVM (chain id : 388)](https://docs.xy.finance/smart-contract/addresses/cronos-zkevm-chain-id-388.md) - [Abstract (chain id : 2741)](https://docs.xy.finance/smart-contract/addresses/abstract-chain-id-2741.md) - [Berachain (chain id : 80094)](https://docs.xy.finance/smart-contract/addresses/berachain-chain-id-80094.md) - [Numbers (chain id : 10507)](https://docs.xy.finance/smart-contract/addresses/numbers-chain-id-10507.md) - [Treasury](https://docs.xy.finance/smart-contract/addresses/treasury.md) - [（Suspended）Fantom](https://docs.xy.finance/smart-contract/addresses/suspended-fantom.md) - [（Suspended）ThunderCore](https://docs.xy.finance/smart-contract/addresses/suspended-thundercore.md) - [（Suspended）Moonriver](https://docs.xy.finance/smart-contract/addresses/suspended-moonriver.md) - [Audit Reports](https://docs.xy.finance/smart-contract/security.md) - [Privileged Roles Management](https://docs.xy.finance/smart-contract/privileged-roles-management.md) - [Terms of Use](https://docs.xy.finance/document/terms-of-use.md) - [AML and CFT Compliance Statement](https://docs.xy.finance/document/aml-and-cft-compliance-statement.md): Anti-Money Laundering (AML) and Combating the Finance of Terrorism (CFT) Compliance Statement - [Integration Terms and Brand Guidelines](https://docs.xy.finance/document/integration-terms-and-brand-guidelines.md): XY Finance Integration Terms and Brand Guidelines - [Product Update](https://docs.xy.finance/document/product-update.md) - [How to Speed up Pending Transactions](https://docs.xy.finance/faq/how-to-speed-up-pending-transactions.md) - [How to add a custom RPC to my wallet](https://docs.xy.finance/faq/how-to-add-a-custom-rpc-to-my-wallet.md)