Smart contract#
The contract addresses of OKX DEX router and ABI
Contract address#
The contract addresses of the DEX router and token approval may be subject to replacement due to contract upgrades. To ensure uninterrupted use of the API, we recommend using the contract addresses returned by the response parameters: /approve-transaction API and /build-tx API for approvals and transactions.
DEX router#
The contract addresses of OKX DEX router
| Chain | DEX router address |
|---|---|
| Ethereum | 0x3b3ae790Df4F312e745D270119c6052904FB6790 |
| zkSync Era | 0xb9061E38FeE7d30134F56aEf7117E2F6d1580666 |
| Optimism | 0xf332761c673b59B21fF6dfa8adA44d78c12dEF09 |
| Polygon | 0xA748D6573acA135aF68F2635BE60CB80278bd855 |
| BNB Chain | 0x9333C74BDd1E118634fE5664ACA7a9710b108Bab |
| OKC | 0xf6Aab105CB9e66e03CAD2c2F3f8558242593385c |
| Avalanche C | 0x1daC23e41Fc8ce857E86fD8C1AE5b6121C67D96d |
| Fantom | 0xf332761c673b59B21fF6dfa8adA44d78c12dEF09 |
| Arbitrum | 0xf332761c673b59B21fF6dfa8adA44d78c12dEF09 |
| Linea | 0x6b2C0c7be2048Daa9b5527982C29f48062B34D58 |
| Conflux eSpace | 0x0112bc6fDB78345e612B862a6B388FfeB00E2320 |
| Base | 0x6b2C0c7be2048Daa9b5527982C29f48062B34D58 |
| Mantle | 0x6b2C0c7be2048Daa9b5527982C29f48062B34D58 |
Token approval#
A list of smart contracts for ERC-20 token approval
| Chain | Approval contract address |
|---|---|
| Ethereum | 0x40aA958dd87FC8305b97f2BA922CDdCa374bcD7f |
| zkSync Era | 0xc67879F4065d3B9fe1C09EE990B891Aa8E3a4c2f |
| Optimism | 0x68D6B739D2020067D1e2F713b999dA97E4d54812 |
| Polygon | 0x3B86917369B83a6892f553609F3c2F439C184e31 |
| BNB Chain | 0x2c34A2Fb1d0b4f55de51E1d0bDEfaDDce6b7cDD6 |
| OKC | 0x70cBb871E8f30Fc8Ce23609E9E0Ea87B6b222F58 |
| Avalanche C | 0x40aA958dd87FC8305b97f2BA922CDdCa374bcD7f |
| Fantom | 0x70cBb871E8f30Fc8Ce23609E9E0Ea87B6b222F58 |
| Arbitrum | 0x70cBb871E8f30Fc8Ce23609E9E0Ea87B6b222F58 |
| Linea | 0x57df6092665eb6058DE53939612413ff4B09114E |
| Conflux eSpace | 0x68D6B739D2020067D1e2F713b999dA97E4d54812 |
| Base | 0x57df6092665eb6058DE53939612413ff4B09114E |
| Mantle | 0x57df6092665eb6058DE53939612413ff4B09114E |
DEX XBridge address#
The contract addresses of OKX Xbridge,used for signing cross-chain transactions
| Chain | DEX XBridge contract address |
|---|---|
| Ethereum | 0xFc99f58A8974A4bc36e60E2d490Bb8D72899ee9f |
| BNB Chain | 0xFc99f58A8974A4bc36e60E2d490Bb8D72899ee9f |
| OKTC | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Polygon | 0x89f423567c2648BB828c3997f60c47b54f57Fa6e |
| Fantom | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Arbitrum | 0xFc99f58A8974A4bc36e60E2d490Bb8D72899ee9f |
| Optimism | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Cronos | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Avalanche C | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| TRON | TVaV2BBs8tpthbp19QAy7ibmXLoYsomKDD |
| Solana | AqwtzPZxUmM6KoDCm5ceC7kje4DB2bLPRjKVJ8njCjKx |
| zkSync Era | 0x4040bEC373F6e8be2F913324de94A7b9242E5E92 |
| Polygon zkEvm | 0x5965851f21DAE82eA7C62f87fb7C57172E9F2adD |
| Linea | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Mantle | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Base | 0x5965851f21DAE82eA7C62f87fb7C57172E9F2adD |
| Manta | 0x91EcECC4F2363770c621a8a061A80d67cfEafEC7 |
| Metis | 0xa50FD06d2b099a4B06d54177C7d3AB08D3D3F004 |
| SUI | 0x3d097b26cd6a13a0c37e983e81be72cd2965c4dc717a03471e3a7388c21c9263 |
| Scroll | 0xf956D9FA19656D8e5219fd6fa8bA6cb198094138 |
| Starknet | 0x00e704db07356df9a2ba8cd2a131e0192b9d9d9ddb518eb3bd4e8fb4a1f0901c |
| Blast | 0xf956d9fa19656d8e5219fd6fa8ba6cb198094138 |
| Merlin | 0xf956d9fa19656d8e5219fd6fa8ba6cb198094138 |
| X Layer | 0x5965851f21DAE82eA7C62f87fb7C57172E9F2adD |
| sui | 0xa4d4c1b9bccd5e84224586a68937efe4dcbf9013fb90e5c8a5bdb1e3895dbfa8 |
The Application Binary Interface of Contract (ABI)#
Please refer to: https://github.com/okx/OKX-DEX-Aggregator-ABI
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