Syntax - Tasty Web Development Treats

Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.

https://syntax.fm

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Hasty Treat - Webhooks


In this Hasty Treat, Scott and Wes talk about webhooks — one of those concepts that seems a lot scarier than it actually is.

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Show Notes

03:42 - What are webhooks?

  • User-defined HTTP callbacks
  • When something happens, ping this URL with this data
  • Examples:
    • When something sells, ping this URL
    • When someone reverses a charge, lock their account
    • Trigger a build of the website when the content changes
    • Then someone buys a shirt, generate a shipping label and save it to the DB

07:57 - Sending End

  • Can be a great way to hook two services together

09:13 - Receiving End

  • Often you will be the one that accepts the webhook ping
  • In this case, you set up an endpoint

11:00 - Payloads

  • Almost all will send a JSON body that you parse out
  • The method send is variable

11:51 - Auth

  • On the receiving end of a webhook, you often get a token which you can then ping the service with. It will tell you if that request was legit or not.
  • On the sending end, you can often set up headers with auth - same with the method
  • Can be a replacement for a serverless function

13:18 - Testing webhooks

  • Can be a pain in the ass
  • ngrok - expose locally
  • localtunnel
  • Insomnia
  • Postman
  • Stripe has a great VS code extension
  • Snipcart has an awesome dashboard
    • Will also tell you when one failed
  • webhook.site
  • https://expose.dev/
  • IFTTT
  • Zapier
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 September 20, 2021  21m