> For the complete documentation index, see [llms.txt](https://docs.syncswap.xyz/api-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.syncswap.xyz/api-documentation/resources/smart-contract.md).

# Smart Contract

## zkSync Era Mainnet

```
WETH
0x5aea5775959fbc2557cc8789bc1bf90a239d9a91

SyncSwapVault
0x621425a1Ef6abE91058E9712575dcc4258F8d091

SyncSwapPoolMaster
0xbB05918E9B4bA9Fe2c8384d223f0844867909Ffb

SyncSwapClassicPoolFactory
0xf2DAd89f2788a8CD54625C60b55cD3d2D0ACa7Cb

SyncSwapStablePoolFactory
0x5b9f21d407F35b10CbfDDca17D5D84b129356ea3

SyncSwapRouter
0x2da10A1e27bF85cEdD8FFb1AbBe97e53391C0295

```

## Sophon Testnet

`Router V2 0x5C07E74cB541c3D1875AEEE441D691DED6ebA204`

`Pool Master 0xbB05918E9B4bA9Fe2c8384d223f0844867909Ffb`

`Classic Factory v2.1 0x701f3B10b5Cc30CA731fb97459175f45E0ac1247`

`Stable Factory v2.1 0xfd43b4DB521DA13490E79EB6CfbA19C9b012811c`

`Aqua Factory v2.1 0x5b9f21d407F35b10CbfDDca17D5D84b129356ea3`

`Route Helper 0x5FeE4bbc7000b57CE246fd5d8E392099F65f5e09`

## ZKsync Testnet (Sepolia)

`Pool Master 0x5b9f21d407F35b10CbfDDca17D5D84b129356ea3`

`Classic Factory 0x5FeE4bbc7000b57CE246fd5d8E392099F65f5e09`

`Stable Factory 0x4444f80DfB8a8a29E79087f066eaC306784699Ce`

`Router 0x3f39129e54d2331926c1E4bf034e111cf471AA97`

`Route Helper` 0x46384918127fBd1679C757DF7b495C3F61481467

## Scroll Alpha Testnet

Note the address of testnet contracts is subject to change without notice.

```
WETH
0x7160570bb153edd0ea1775ec2b2ac9b65f1ab61b

SyncSwapVault
0xBe87D2faF9863130D60fe0c454B5990863d45BBa

SyncSwapPoolMaster
0x3e846B1520E74728EFf445F1f86D348755F738d9

SyncSwapClassicPoolFactory
0x46c8dc568ED604bB18C066Fc8d387859b7977836

SyncSwapStablePoolFactory
0x441B24fc497317767a9D293931A33939953F251f

SyncSwapRouter
0xC458eED598eAb247ffc19d15F19cf06ae729432c

```

## Polygon zkEVM Testnet

```
WETH
0xee589e91401066068af129b0005ac3ef69e3fdb4

SyncSwapVault
0xBe87D2faF9863130D60fe0c454B5990863d45BBa

SyncSwapPoolMaster
0x3e846B1520E74728EFf445F1f86D348755F738d9

SyncSwapClassicPoolFactory
0x46c8dc568ED604bB18C066Fc8d387859b7977836

SyncSwapStablePoolFactory
0x441B24fc497317767a9D293931A33939953F251f

SyncSwapRouter
0xC458eED598eAb247ffc19d15F19cf06ae729432c

```

## zkSync Era Testnet

Note the address of testnet contracts is subject to change without notice.

### Staging Testnet (Recommended)

The staging testnet includes updates on dynamic fees.

```
WETH
0x20b28b1e4665fff290650586ad76e977eab90c5d

SyncSwapVault
0x4Ff94F499E1E69D687f3C3cE2CE93E717a0769F8

SyncSwapPoolMaster
0x22E50b84ec0C362427B617dB3e33914E91Bf865a

SyncSwapClassicPoolFactory
0xf2FD2bc2fBC12842aAb6FbB8b1159a6a83E72006

SyncSwapStablePoolFactory
0xB6a70D6ab2dE494592546B696208aCEeC18D755f

SyncSwapRouter
0xB3b7fCbb8Db37bC6f572634299A58f51622A847e

```

### Era Testnet (Deprecated)

```
WETH
0x20b28b1e4665fff290650586ad76e977eab90c5d

SyncSwapVault
0x6C41e61C5449B0916103d536c638E470bbabf95e

SyncSwapPoolMaster
0x4bEAC45efEE4DfB45f7397C19c13a89611dE193D

SyncSwapClassicPoolFactory
0xeaeDD100A9e61CE0412664CE598F0a624CFB3ccB

SyncSwapStablePoolFactory
0x51372e0F0BfAa5be848762AE828D1a24bb0d7Fa0

SyncSwapRouter
0x4dbcd68F735e91ccBa5dff2d4DAb7B0729BBc1a4

```