---
title: "Cloudflare Workers — Definition | FourSight Glossary"
url: https://foursight.cloud/glossary/cloudflare-workers
description: "Cloudflare's edge serverless runtime — JavaScript or WebAssembly running in V8 isolates across hundreds of edge locations with sub-millisecond cold starts."
lang: en
---

Back to glossary: https://foursight.cloud/glossary

Platforms

# Cloudflare Workers

Cloudflare's edge serverless runtime — JavaScript or WebAssembly running in V8 isolates across hundreds of edge locations with sub-millisecond cold starts.

Source

- Cloudflare Docs — Workers Overview (https://developers.cloudflare.com/workers/)

Related guide: Monitoring Cloudflare Workers & Pages: https://foursight.cloud/guides/monitoring-cloudflare-workers

## Related terms

Stripe Webhook

An HTTPS POST that Stripe sends to your endpoint when a billing event occurs.
https://foursight.cloud/glossary/stripe-webhook

Stripe Events API

An API that lets you fetch and replay past Stripe events — essential for recovering after a webhook outage…
https://foursight.cloud/glossary/stripe-events-api

Supabase Auth

Supabase's hosted authentication service — email/password, OAuth, magic links, MFA — built on top of Postgr…
https://foursight.cloud/glossary/supabase-auth

Supabase Realtime

A WebSocket-based service that streams Postgres changes (INSERT/UPDATE/DELETE), broadcast messages, and pre…
https://foursight.cloud/glossary/supabase-realtime

Supabase Edge Functions

Deno-based serverless functions deployed globally and invoked over HTTPS.
https://foursight.cloud/glossary/supabase-edge-functions

Postgres Connection Pool

A managed set of pre-opened Postgres connections shared across application requests.
https://foursight.cloud/glossary/postgres-connection-pool

## Start monitoring free — HTTP + Ping checks, 4 regions, no card

The Free plan includes 10 monitors with HTTP and Ping checks from all 4 probe regions, 5 minute intervals, email alerts, and 1 status page — $0, no credit card, commercial use allowed. All 8 monitor types unlock on Growth ($40/mo).

- HTTP + Ping checks
- 4 probe regions on every plan
- No credit card

Start monitoring free: https://foursight.cloud/auth?signup=true

## Structured data

```json
[
  {
    "@context": "https://schema.org",
    "@type": "DefinedTerm",
    "@id": "https://foursight.cloud/glossary/cloudflare-workers",
    "name": "Cloudflare Workers",
    "description": "Cloudflare's edge serverless runtime — JavaScript or WebAssembly running in V8 isolates across hundreds of edge locations with sub-millisecond cold starts.",
    "url": "https://foursight.cloud/glossary/cloudflare-workers",
    "termCode": "cloudflare-workers",
    "inDefinedTermSet": {
      "@type": "DefinedTermSet",
      "name": "FourSight Monitoring & Reliability Glossary",
      "url": "https://foursight.cloud/glossary"
    },
    "sameAs": [
      "https://developers.cloudflare.com/workers/"
    ]
  },
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "position": 1,
        "name": "Glossary",
        "item": "https://foursight.cloud/glossary"
      },
      {
        "@type": "ListItem",
        "position": 2,
        "name": "Cloudflare Workers",
        "item": "https://foursight.cloud/glossary/cloudflare-workers"
      }
    ]
  }
]
```