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1 vote
Accepted

How to sign the hash of a message using EIP712?

You simply cannot. I think you messed up a few concepts. Metamask is just a container of private keys. You don't need metamask to sign a message, but you need a private key. Metamask is designed to ...
0xsam's user avatar
  • 101
1 vote
Accepted

Quote from 0x API endpoint feeRecipientTradeSurplus parameter not doing anything?

Your understanding of the feeRecipientTradeSurplus parameter and trade surplus are correct. The reason you aren't seeing any calldata changes is because we only send positive slippage to ...
0x_jess's user avatar
  • 181
1 vote
Accepted

`ZIPPO_CONTEXT_INVALID` error when querying 0x goerli swap api quote endpoint

0x team here. The ZIPPO error on goerli has been fixed! Thank you for your patience Remember to use your API key in the header. Ex: curl --location --request GET 'https://goerli.api.0x.org/swap/v1/...
0x_jess's user avatar
  • 181
1 vote

CORS Policy Blocking Axios Request with 0x-api-key Header to 0x API on Goerli Network

I found the solution for any who stumble across this. It turns out it happens when you include the API key when using Goerli. All I had to do was remove the API key. The 0x documentation should really ...
Kyle Noll's user avatar

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