Change Log#

May 21, 2026#

API/Trade APIUpdate

Trade API: Support Pharos Chain

May 15, 2026#

API/Market APIUpdate

Launched Social Analytics API, providing end-to-end access to crypto social media data.

May 14, 2026#

API/Trade APIUpdate

Add Intent contract address
The router addresses on SUI have been updated.

May 12, 2026#

API/Trade APIUpdate

The /swap, /quote, and /swap-instruction endpoints under the Trade API now support the forJitoBundle parameter, which excludes DEXs incompatible with Jito bundles.
The router addresses on X Layer and Blast have been updated.

May 3, 2026#

API/Trade APIUpdate

add minTakerAmount in RFQ pricing API
add Intent integration docs

April 23, 2026#

API/Trade APIUpdate

The /swap, /quote, and /swap-instruction endpoints under the Trade API now support excluding specific pool addresses via excludePoolAddresses and stable-route swapping via the assetAwareRouting parameter.
The /swap，/swap-instruction endpoints under the Trade API now support maxAccount 和 maxCalldataSize to have customized abilities for Solana trade.

March 30, 2026#

API/Trade APIUpdate

The dex router address for EVM chains under the Trade API has been updated. The API will automatically construct transaction calldata based on the latest address. If you have whitelist configurations, please update them accordingly.
Token API under Market API now supports pagination.

March 26, 2026#

API/Market APIUpdate

Market API has added WebSocket push channels, enabling more customized and more real-time market capabilities.

March 20, 2026#

API/Market APIUpdate

Market API has added address subscription and tracking, position cluster analysis, and new push channels, enabling more customized and more real-time market capabilities.

March 10, 2026#

API/Market APIUpdate

Market API has added new Portfolio APIs to support PnL analysis and track.

March 6, 2026#

API/Market APIUpdate

Market API has added new Trenches APIs to support meme trade and golden dog track.

March 5, 2026#

API/Market APIUpdate

Market API has added new Strategy APIs to support more advanced indicators and tools.

March 3, 2026#

API/Trade APIUpdate

Trade API now supports AI-native tools.
Market API now supports AI-native tools.

January 28, 2026#

API/Trade APIUpdate

Trade API supports directly returning the approved contract address and approved calldata via the /swap endpoint.
RFQ has added support for an EVM EIP-712 signature troubleshooting tool, including the testSignOrder.js example.

January 22, 2026#

API/Trade APIUpdate

Trade API now supports useTokenLedger feature in Solana /swap-instruction endpoint to support more customized and specific trading scenario

December 19, 2025#

API/Trade APIUpdate

Update Firm-order API Request Parameters

December 11, 2025#

API/Trade APIUpdate

Update Settlement Contract Address

December 9, 2025#

API/Trade APIUpdate

Update Dexrouter Contract Address

December 2, 2025#

API/Trade APIUpdate

Update Settlement Contract Address
Update EVM Signature Example

November 26, 2025#

API/Trade APIUpdate

Update firm- order API Parameter: beneficiaryAddress
Remove dex-get-quote API Parameter: quoteCompareList

November 21, 2025#

API/Trade APIUpdate

Trade API: Support Monad Chain

October 30, 2025#

API/Trade APIUpdate

Trade API: corrected the parameter types for market, market firm order, makerAmount, and rfqId.
Added exactOut functionality (currently supported only in V5 Trade API).

October 30, 2025#

API/Trade APIUpdate

Trade API Upgraded EVM routing algorithm for more intelligent order routing and splitting with new smart contract addresses.

October 9, 2025#

API/Trade APIUpdate

Swap API supported Plasma chain from now.

September 25, 2025#

API/Trade APIUpdate

Upgraded Trade API to V6 with major updates including an updated routing algorithm with Directed Acyclic Graphs for more intelligent order routing and splitting.
Updated a few paramaters in Get Quotes API, Get Solana Swap Instructions API, and Swap API including chainIndex, slippagePercent, priceImpactProtectionPercent, maxAutoSlippagePercent, priceImpactPercent, toTokenIndex, fromTokenIndex.

September 11, 2025#

API/Trade APIUpdate

Standard market maker integration guidelines are published for market makers to easily integrate with OKX DEX RFQ system and provide liquidity to our users and partners.

September 4, 2025#

API/Market APIUpdate

The Market API now supports Token API services, allowing you to search for the tokens you need, access basic and detailed information, check holder statistics, or retrieve token ranking lists with a single request.

August 28, 2025#

API/Trade APIUpdate

We are excited to announce that our paid plan will officially launch in September 2025!
The Trade API now supports multiple service tiers, designed to give you greater flexibility and scalability.
Higher tiers unlock enhanced features, increased rate limits, and priority support — empowering your business to build faster and scale with confidence.

August 27, 2025#

API/Trade APIUpdate

The trading API swap endpoint now supports RFQ quotes by default, enabling your large orders to receive more favorable pricing. Since RFQ quotes may introduce some latency, you can disable it by adding the disableRFQ parameter in the /swap endpoint request.

August 19, 2025#

API/Trade APIUpdate

Trade API does not support OKT Chain any more.
The /swap API now supports excluding specific liquidity sources when assembling calldata. You can use the excludeDexIds parameter to specify the liquidity pools you don’t want to use.

July 1, 2025#

API/Trade APIUpdate

The feePercent parameter in the swap API now supports 9 decimal.
Trade API now supports MEV protection feature on SOL,ETH,BSC,BASE.

June 6, 2025#

API/Trade APIUpdate

The swapReceiverAddress parameter in the swap API now supports Sui and Ton chains. You can now specify a different receiving address for a swap transaction on Sui and Ton chains.

May 30, 2025#

API/Trade APIUpdate

Trade API now supports transaction simulate. You can take a look at "Onchain gateway API" for reference.
The Trade API now supports the exactOut reverse quoting function. You can specify the amount you want to receive in the swap to query the required input token amount.

Note

ExactOut feature currently only support Ethereum、Base、BSC 、Arbitrum chain and Uni v3 protocols

May 22, 2025#

API/Market APIUpdate

Market API now supports to returen up to 100 tokens' 5m、1h、4h、24h trading volume and 5m、1h、4h、24h price change,you can check in the /price-info endpoint

May 16, 2025#

API/Trade APIUpdate

Trade API now supports Uni chain.
Trade API now supports four tier priority fee for the Solana chain.

May 13, 2025#

API/Trade APIUpdate

Trade API now supports setting positive slippage gains for the Solana chain.

Note

This feature is only available to whitelisted or enterprise users. If you would like to use it, please contact dexapi@okx.com.

May 5, 2025#

API/Trade APIUpdate

Trade API now supports setting the referral fee for Solana chain up to 10%.

May 2, 2025#

API/Trade APIUpdate

Trade API now supports the Onchain Gateway API function, offering gas price estimation and on-chain transaction broadcasting services.

May 1, 2025#

API/Trade APIUpdate

Trade API now supports setting the referral fee for Ton chain.
Trade API now supports setting referral fees for wrapped tokens on EVM chains.

March 27, 2025#

API/Market APIUpdate

OKX DEX API now supports the Market API.

March 12, 2025#

API/Trade APIUpdate

Single-chain swaps now support the Sonic chain.

January 23, 2025#

API/Trade APIUpdate

The single-chain swap API now supports specifying a single liquidity pool for swaps. You can achieve this by setting the directRoute parameter.
The single-chain swap API now supports the Transaction querying feature.

December 26, 2024#

API/Trade APIUpdate

The single-chain swap API now supports an automatic slippage feature.

November 25, 2024#

API/Trade APIUpdate

The single-chain swap API parameter swapReceiverAddress now supports the Solana chain. It is now possible to specify a different recipient address for a swap transaction on the Solana chain.

November 12, 2024#

API/Trade APIUpdate

Added a new referral wallet address parameter for the single-chain swap API. Both Sol and SPL tokens now support direct use of wallet addresses for referral fee collection.
APIs for retrieving the single-chain liquidity list and the cross-chain bridge list now support protocol logos.
Single-chain quote and swap APIs now recognize and return risk tokens with honeypot mechanisms or tokens with 100% buy/sell tax.

October 29, 2024#

API/Trade APIUpdate

Single-chain swaps now support the Sui chain.

July 1, 2024#

API/Trade APIUpdate

The ETH dexRouter contract 0xf3de3c0d654fda23dad170f0f320a92172509127 will no longer function normally after August 1, 2024. Please switch to the latest version.

June 19, 2024#

API/Trade APIUpdate

Swap API DEX Router eth contract address update

May 7, 2024#

API/Trade APIUpdate

Solana mainnet supports commission-sharing

April 19, 2024#

API/Trade APIUpdate

Cross-chain swap support SUI chain

April 19, 2024#

API/Trade APIUpdate

Cross-chain swap support X Layer chain

April 12, 2024#

API/Trade APIUpdate

Cross-chain slippage request parameter range adjusted to 0.002-0.5
Cross-chain swap support Merlin chain

April 12, 2024#

API/Trade APIUpdate

Added new response parameters (quoteCompareList) to DEX swap endpoint

April 8, 2024#

API/Trade APIUpdate

Added new response parameters (toTokenReferrerAddress) to DEX swap endpoint

April 2, 2024#

API/Trade APIUpdate

Updated DEX swap trading support Merlin Chain

March 22, 2024#

API/Trade APIUpdate

Added new response parameters (callDataMemo) to DEX swap endpoint

March 22, 2024#

API/Trade APIUpdate

Added new request parameters (sort) to cross-chain Get route information and Cross-chain swap endpoint
DEX XBridge contract address update

March 13, 2024#

API/Trade APIUpdate

Added new response parameters (sourceChainGasfee, destinationChainGasfee, crossChainFee) to cross-chain Get transaction status endpoint
Added new request parameters (onlyBridge) and new response parameters (minmumReceive，maxPriorityFeePerGas)
Cross-chain API Smart contract part added cross-chain contract address (DEX XBridge contract address)
Cross-chain API added new Get the list of tokens supported by the cross-chain bridges endpoint

March 07, 2024#

API/Trade APIUpdate

Added new request parameters (priceImpactProtectionPercentage) to Cross-chain & Single-chain swap endpoint

February 29, 2024#

API/Trade APIUpdate

Added new response parameters (decimal) to DEX swap endpoint

February 22, 2024#

API/Trade APIUpdate

Added new response parameters (maxPriorityFeePerGas) to DEX swap endpoint

February 01, 2024#

API/Trade APIUpdate

Updated DEX swap trading support solana, added new request parameters (solTokenAccountAddress)
Added DEX swap trading support solana quick start

January 17, 2024#

API/Trade APIUpdate

Added new request parameters (feePercent, referrerAddress) to Cross-chain swap endpoint

January 11, 2024#

API/Trade APIUpdate

Cross-chain slippage range adjusted to 0.5-0.5

January 02, 2024#

API/Trade APIUpdate

Added new request parameters (receiveAddress) to Cross-chain swap endpoint
Added new request parameters (chainld) to cross-chain Get transaction status endpoint

December 28, 2023#

API/Trade APIUpdate

Launched the first edition of OKX Web3 DeFi API documentation
Added functionality for investment, redemption, and reward claiming processes via DeFi API
Added methods for querying information, calculating estimated data, generating transaction data, and querying user information

December 20, 2023#

API/Trade APIUpdate

Added new response parameters (crossChainFeeTokenAddress) to cross-chain Get route information endpoint and Cross-chain swap endpoint
Added new response parameters (status) to cross-chain Get transaction status endpoint

December 14, 2023#

API/Trade APIUpdate

Added DEX Iframe

December 14, 2023#

API/Trade APIUpdate

Added new optional parameter (swapReceiverAddress) to DEX swap interface

December 08, 2023#

API/Trade APIUpdate

Added DEX limit order list query
Added DEX limit order get cancellation calldata

December 06, 2023#

API/Trade APIUpdate

Added new response parameters (toDexRouterList) to cross-chain Get route information endpoint
Added new response parameters (toAmount, errorMsg) to cross-chain Get transaction status endpoint
Added cross-chain refund issues to cross-chain FAQ

November 24, 2023#

API/DeFi APIUpdate

The Order API has been expanded with a new listing module, enabling listings on OpenSea and OKX.
Added more detailed description to order structure

November 23, 2023#

API/Trade APIUpdate

Added DEX cross-chain API quick start guidelines

November 21, 2023#

API/Trade APIUpdate

- Added DEX cross-chain API quick start guidelines

November 15, 2023#

API/Trade APIUpdate

Added new response parameters (crossChainFee) to cross chain Get route information endpoint cross-chain/quote
Added new response parameters (crossChainFee) to cross chain Cross-chain swap endpoint cross-chain/quote

November 10, 2023#

API/Trade APIUpdate

Added DEX API quick start guidelines

November 7, 2023#

API/Trade APIUpdate

Added DEX cross-chain aggregator API

October 31, 2023#

API/Trade APIUpdate

Added DEX limit order API

October 23, 2023#

API/Trade APIUpdate

Added smart contract information, including contract addresses and ABI

September 27, 2023#

DApps integration docs updatedUpdate

Updated the content of integrating DApps with OKX Wallet on the mobile app
Added guide and sub pages for integrating DApps with OKX Wallet on the mobile app

August 17, 2023#

API/Marketplace APIUpdate

Updated the API key authentication mechanism. Moving forward, all endpoints will require an API key generated from the Web3 developer portal.
Updated the URI of all endpoints to reflect the latest versioning
Updated error codes

API/Trade APIUpdate

Added API key authentication. Moving forward, all endpoints will require an API key generated from the Web3 developer portal
Updated error codes

API/Bitcoin ecosystemUpdate

Updated the API key authentication mechanism. Moving forward, all Web3 API endpoints will require an API key generated from the Web3 developer portal
Updated the URI of all endpoints to reflect the latest versioning