Woops - accidentally deleted my own response
Thanks to @jr.2509 for the pointers. Those led me to follow up searches and I realized there’s existing conversation on this.
In addition to @jr.2509’s responses here and elsewhere on the forums, here’s one useful thread: How to implement GPT4 API with internet access? - #9 by raymondyeh
And another here: How to get GPT-4 API access with Internet