Refer https://stackoverflow.com/questions/58347894/shopify-app-access-token-how-to-make-it-more-secure

So after a week of rigorous battle with the code and the API , i finally figured out how to save the discount as a metafield. I also encountered a lot of errors including 405, 500, 501  I'm sharing the solution here, so that it will helpful for anyon...

Okay, I finally figured it out. I was trying to do a post from client side and not from server side.  This post has been very helpful.Also I was duplicating the router.get() for accepting the POST from client side.  I found this stackoverflow answer ...

Still getting the same error 501 @chipkeyes88  method=POST path="/admin/api/2020-04/metafields.json" host=demoo-app-new.herokuapp.com request_id=1999a2f8-c959-4d56-9113-46aee1a1669b fwd="111.92.74.226" dyno=web.1 connect=1ms service=168ms status=501 ...

@SBD_  Thanks for looking into this.  I fixed the 405 error by adding a post method to router.router.post("*", verifyRequest(), async ctx => { await handle(ctx.req, ctx.res); ctx.respond = false; ctx.res.statusCode = 200; });But now its...

As said in my earlier post , somehow i managed to learn about the REST API and you can only create a SHOP metafield (Storefront) using GraphQL API.  Now i'm trying to make a post request for a SHOP metafield. But it results in 405 method not allowed ...

Hey,  I'm following this tutorial on Building your user interface with Polaris and want to save the discount value as a Shop metafield on handleSubmit() inside pages/annotated-layout.js . As a total newbie to this react.js + node architecture, i have...