How do you properly encode a value to be part of an HTTP POST body? or What’s the best way to encode

For http post body encoding, it’s all about the context. Form data? URL encode. JSON? stringify.

But here’s a weird one: some older APIs expect weird encodings like base64 for binary data. Always read the docs!

If you’re unsure, try both and see what sticks. Tools like curl or httpie are great for quick tests.