How to test 0x swap api on testnet?

External question — Ethereum Stack Exchange Author: Tyson Original post: https://ethereum.stackexchange.com/questions/140270 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Hello I m making a swap dapp with the help of 0x api I want to test it if it's working properly or not is there anyway I can test it on test net?

External answer — Ethereum Stack Exchange Author: 0x_jess Original post: https://ethereum.stackexchange.com/a/140799 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Yes, can use our Goerli or Mumbai deployments (API endpoints here: https://docs.0x.org/introduction/0x-cheat-sheet ) or you can fork mainnet. Examples of both methods plus code samples are in the Working in Testnet guide.