Troubleshooting HTTP API Action and Field Configuration Issues

Hey all... I had this HTTP API action working, and then changed it to replace a constant "No" in the "zaypqLead" field with one that points to the "quote_lead" field (which is a text field that says "Yes" or "No". Bo (. from Clay Support "fixed" it in the version on the right, but I don't know what he changed (and I need to get this working in other tables). My theory is that clay thinks this new field is empty when it's not... So, two questions:

Their suggestion to use ChatGPT to check JSON errors isn't helpful — it includes the field widgets...