Which token pair will be good to test 0x quote api on testnet?

I want to test the 0x quote API on a testnet before deploying to mainnet. But as it seems testnet don’t have any ERC20 token for which sufficient liquidity is available as I have tested with this endpoint:
https://mumbai.api.0x.org/swap/v1/quote?buyToken=0x2e3A2fb8473316A02b8A297B982498E661E1f6f5&sellToken=0xE3981f4840843D67aF50026d34DA0f7e56A02D69&sellAmount=1000000000000000000. Here I am swapping BAL → wETH but it’s giving me error:

{
  "code": 100,
  "reason": "Validation Failed",
  "validationErrors": [
    {
      "field": "sellAmount",
      "code": 1004,
      "reason": "INSUFFICIENT_ASSET_LIQUIDITY"
    }
  ]
}

so for which token pairs should I test the 0x quote API, any suggestions?

Hi @Rishabh

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