> For the complete documentation index, see [llms.txt](https://docs.openxswap.exchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openxswap.exchange/the-open-x-project/openswap-token/aggregator.md).

# Aggregator

The router for OpenXSwap on Optimism aggregates liquidity from OpenXSwap, Velodrome, and Zip Swap, allowing users to utilize liquidity on each exchange with just one transaction. We intend to add more exchanges to the aggregator as other projects deploy on Optimism. 

Our aggregator is our "most deployed" contract. It is available on the following chains:

Optimism: 0x777E713B6f87765C314BFA682cDc04C02Cb64777\
Polygon: 0x7e710c4cd8be478a2c52ed93b90b968a87777777\
Harmony: 0x7e710c4cd8be478a2c52ed93b90b968a87777777\
Ethereum: 0x7e710c4cd8be478a2c52ed93b90b968a87777777\
Avalanche: 0x7e710c4cd8be478a2c52ed93b90b968a87777777\
Fantom: 0x7e710c4cd8be478a2c52ed93b90b968a87777777\
BSC: 0xb4f4B60DC1FA2bFb9fF9fc054ca2e40bB1aa889c\
Optimism Goerli: 0x777E713B6f87765C314BFA682cDc04C02Cb64777

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Old OP contracts: 0x4f9bca4ece0aad33c2183075996bac0a7a777420<br>