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Webhook

Category: Infrastructure

“WEB-hook”

An automatic message one app sends to another the moment something happens, so nobody has to keep checking for updates.

Lesson #8: The Builder's Toolkit: Hooks, Plugins, APIs & SDKs →
Think of it like…

A doorbell. Instead of you walking to the door every minute, the bell tells you the second someone arrives.

Everyday example

You get a text the instant your package is delivered — the shipper's system pushed that news to your phone.

Construction example

When an inspector marks a permit approved, a webhook tells the scheduling AI to move the crew in the next day.

Business example

A signed contract in the e-sign tool fires a webhook that starts invoicing and onboarding automatically.

Why this matters

Webhooks are how separate tools act like one system, which is what makes real-time automation possible.

One-sentence summary

A webhook is an instant 'this just happened' message sent from one app to another.

Try it yourself

Pick one event in your work that people learn about late. Write down who should be told the second it happens.

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Related terms

Picked automatically from the same category and the ideas this term shares.

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REST APICategory: Infrastructure

Hand-picked pair

A common, predictable way for programs to ask each other for information or to make a change, using plain web addresses.

API EndpointCategory: Infrastructure

Hand-picked pair

One specific address in an API that does one specific job, like listing customers or creating an invoice.

AutomationCategory: Infrastructure

Same category: Infrastructure

Setting up work so it happens by itself, without someone doing it each time.

HookCategory: Infrastructure

Same category: Infrastructure

A spot in a program that is left open on purpose so extra code can run before, during, or after a step.

Rate LimitCategory: Infrastructure

Same category: Infrastructure

A cap on how many requests you may send to a service in a set time, so no single user can overload it.

SDK (Software Development Kit)Category: Infrastructure

Same category: Infrastructure

A ready-made bundle of code, tools, and instructions that makes it much faster to build on top of somebody else's system.