Hookdeck vs Knock: Which Is Better in 2026?

Hookdeck is infrastructure for webhooks and event-driven systems — it receives, transforms, routes and reliably delivers events, both inbound and outbound, so developers don't have to build and babysit that plumbing themselves. It's a developer-first platform for handling webhooks at any scale, from a side project to billions of events.

What is Hookdeck?

Hookdeck sits between the services that emit events and the applications that consume them, giving teams full observability and control over event flow. Its Event Gateway handles inbound webhooks — receiving, transforming and routing them before they hit your app — while Outpost provides outbound webhook delivery, so you can both consume and send webhooks reliably from one platform.

Who it's for

Hookdeck is built for developers and teams building APIs, SaaS and PaaS products who need dependable webhook handling — whether they're just starting to receive events or already processing them at massive scale. It's for anyone who has felt the pain of dropped, duplicated or hard-to-debug webhooks and wants that solved as infrastructure rather than as fragile in-house code.

Key features

• Event Gateway: receive, transform and route inbound webhooks
• Outpost: open-source outbound webhook delivery, managed or self-hosted
• CLI for receiving and debugging webhooks on localhost
• Console for previewing and inspecting payloads (no account needed)
• Radar for monitoring third-party webhook latency with alerts
• Multi-destination routing and full event observability
• MCP server compatibility (Cursor, Claude and other MCP clients)
• Spike protection and backpressure management

Reliability as a feature

Webhooks fail in quiet, painful ways — a downstream outage, a traffic spike, a silently dropped event. Hookdeck is built to prevent that, claiming 99.999% uptime with spike protection and backpressure management so bursts don't overwhelm your app, and automatic retries so transient failures don't lose data. Live production metrics are published via API and a status dashboard, so the reliability claims are verifiable rather than marketing.

Built for how developers actually work

Hookdeck's tooling meets developers where they are. The CLI forwards and debugs webhooks straight to localhost, the Console lets you preview and inspect payloads with no account required, and Radar monitors third-party webhook latency and alerts you when a provider slows down. Together they turn webhook debugging — normally a frustrating guessing game — into something observable and controllable.

Inbound, outbound and agent-ready

By covering both the Event Gateway for inbound and Outpost for outbound (which is open source and self-hostable), Hookdeck handles the full webhook lifecycle in one place instead of two separate stacks. It's also MCP-server compatible, so it works with AI clients like Cursor and Claude, and it carries deep compliance — SOC 2 Type II, HIPAA, SSO, MFA, GDPR and more — making it viable for regulated, enterprise environments.

Pay for what you process

Hookdeck uses usage-based pricing for both the Event Gateway and Outpost, with published comparison matrices, so costs track the volume of events you actually handle rather than a fixed seat count. That suits the reality of webhook traffic, which is spiky and scales with your product — a small project pays little, and the platform grows with you into high volume without forcing an early enterprise commitment. Because Outpost is open source, teams that prefer to self-host the outbound side can do that too.

Why choose Hookdeck

For any team that depends on webhooks and is tired of building and maintaining brittle event plumbing, Hookdeck is a strong, developer-first choice. Its inbound and outbound coverage, serious reliability guarantees, excellent debugging tools and enterprise compliance make it a practical way to handle events at any scale — and to stop losing sleep over dropped webhooks.

Knock is a notifications infrastructure platform that gives developers a complete system for sending and managing product notifications across every channel — email, push, SMS, in-app feeds, Slack and more — without building and maintaining that complex infrastructure themselves. Notifications seem simple until you actually build them: you need cross-channel delivery, user preferences, batching and throttling, templates, routing logic, and reliability, all of which add up to a substantial, ongoing engineering effort that distracts from core product work. Knock handles it as a service.

The platform lets teams design notification workflows — defining what triggers a notification, which channels it goes to, how it's batched or delayed, and how user preferences are respected — through a combination of a powerful API and a visual dashboard. It manages the messy realities like respecting quiet hours, consolidating multiple events into digests, handling per-user channel preferences, and ensuring reliable delivery, while providing the templates and localization features needed for polished, on-brand notifications. It also includes ready-made components for in-app notification feeds, so adding a notification center to your product is straightforward.

This makes Knock valuable for any product that needs to keep users informed and engaged through notifications — which is to say nearly all modern software. By centralizing notification logic in one system, teams avoid scattering notification code throughout their codebase and gain the ability to manage, observe and iterate on their messaging easily. It frees developers from reinventing notification infrastructure and gives product teams control over a critical part of the user experience. As notifications grow more important for engagement and span ever more channels, dedicated infrastructure to manage them well becomes increasingly worthwhile. For development teams that want robust, cross-channel, preference-aware notifications without building and maintaining the underlying system, Knock offers a comprehensive, developer-friendly and genuinely useful platform.