# GetSwapCounterTokensInput

Input for listing compatible counter-tokens for a given token.

**token**stringrequired

Token identifier to find compatible counter-tokens for, e.g. `BITCOIN-BTC`, `LIGHTNING-BTC` or `STARKNET-STRK`.

**side**ApiSiderequired

Swap side selector used by token discovery endpoints.

**Possible values:** \[`INPUT`, `OUTPUT`]

GetSwapCounterTokensInput

```
{

  "token": "string",

  "side": "INPUT"

}
```