Knock vs Hoppscotch
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Open-source web-based API development ecosystem — self-hostable + lightweight
Pricing tiers
Knock
Developer
Free forever. 10K messages, 500 guide users, 500 AI credits/month.
$0 base (usage-based)
Starter
$250/mo. 50K messages, 2.5K guide users, 2K AI credits. Remove branding.
$250/mo
Enterprise
Custom pricing. White-label, i18n, data warehouse, Datadog, SCIM, SAML, HIPAA/BAA.
Custom
Hoppscotch
Self-Hosted (OSS)
$0. MIT license. Full Hoppscotch Community Edition. Docker Compose deploy.
$0 base (usage-based)
Cloud Free
$0. Personal workspace, syncing, collections. No commercial use restrictions.
Free
Enterprise Cloud
Custom. SSO, audit logs, compliance, dedicated infra, SLA.
Custom
Free-tier quotas head-to-head
Comparing starter on Knock vs oss-self-host on Hoppscotch.
| Metric | Knock | Hoppscotch |
|---|---|---|
| guide users | 2500 users | — |
| guide users overage | $0.05/user USD/user | — |
| messages monthly | 50000 messages/mo | — |
| messages overage | $0.005/message USD/message | — |
Features
Knock · 13 features
- AI Agents — Autonomous notification drafting & workflow generation.
- Batch + Digest — Group notifications into digests on schedule or window.
- Chat — Slack, Microsoft Teams, Discord.
- Email — Send via SendGrid/Postmark/Resend/Mailgun/AWS SES as relays.
- Guides — In-product messaging, announcements, modals, banners.
- i18n / Localization — Translate templates by user locale.
- In-App Feed — Notification inbox with React/Vue/iOS/Android drop-in components.
- Multi-tenancy — Per-tenant branding, preferences, quiet hours.
- Outbound Webhooks — Subscribe to delivery events.
- Preferences — User + tenant preference center with granular controls.
- Push — iOS (APNs), Android (FCM), Expo, Web Push.
- SMS — Twilio, MessageBird, Telnyx, Vonage as providers.
- Workflows — Visual notification orchestration (branch, batch, delay, throttle).
Hoppscotch · 18 features
- Auth Helpers — OAuth, JWT, Bearer, etc.
- Browser Extension — Proxy through extension.
- Code Generation — Generate curl, fetch, axios, etc.
- Collections — Grouped requests + hierarchy.
- Environments — Variables with inheritance.
- GraphQL Client — Query + schema explorer.
- hopp CLI — Run tests in CI.
- Hoppscotch MCP — MCP server for AI agents.
- MQTT — MQTT client.
- Pre-request Scripts — JS runs before each request.
- Progressive Web App — Install offline-capable PWA.
- Request History — Browser-local history.
- REST Client — HTTP request builder.
- Self-Host — Docker Compose.
- Server-Sent Events (SSE) — SSE stream.
- Socket.IO — Socket.IO client.
- Test Scripts — Assertions on responses.
- WebSocket — WS messages.
Developer interfaces
| Kind | Knock | Hoppscotch |
|---|---|---|
| CLI | Knock CLI | hopp CLI |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | — |
| REST | Knock REST API | Hoppscotch Cloud API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | Browser Extension, Hoppscotch Desktop, Hoppscotch Web, Self-Host (Docker) |
Staxly is an independent catalog of developer platforms. Some links to Knock and Hoppscotch may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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