Recursion Problem Runtime Error

[Sze]

Stop with the manual string splitting and actually parse the JSON you are receiving like @Southporter has already shown you in this topic:

Compiler Error with coercion or type casting...Need Help!

I took a look at the API for polygon, and I think you are headed in a more challenging direction. This is a JSON HTTP api, so the body of your response is going to be JSON. Instead of getting the body and trying to haphazardly parse out what you want, I would suggest looking at the standard library JSON parser. const body = try req.reader().readAllAlloc(b, 229000 * 8); defer b.free(body); const parsed = try std.json.parseFromSlice(TickerResponse, b, body, .{ .ignore_unknown_fields = true,…