Fee Structure
OpenOcean charges a flat tiered trading fee for using public API. Tokens are grouped into four categories, including Stable, Correlated, Common and Exotic. Please refer to the fee rates below.
Stable
0.01%
Stable <> Stable, such as USDC <> USDT
Correlated
0.02%
Stable <> Correlated ; Correlated <> Correlated, such as ETH, stETH, etc. Trading pair examples: USDC<>ETH; ETH<>stETH.
Common
0.1%
Top 200 tokens by market cap identified from Coingecko excluding Stable & Correlated, trading pair including Stable <> Common; Correlated <> Common; Common <> Common
Exotic
0.25%
Stable <> Exotic; Correlated <> Exotic; Common <> Exotic; Exotic <> Exotic
Fee Token Rules:
If the input and output tokens belong to the same category, the fee will be charged in the output token.
If the input and output tokens belong to different categories, the fee will be charged based on the higher-priority category, following this order: Stable > Correlated > Common > Exotic.
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