WebhookInbox
WebhookInbox: A focused request inbox for inspecting, retrieving, and streaming incoming HTTP callbacks. Ranked #28 of 29 in Webhook Management Software by our editors (6.2/10); pricing: Open source; best for developers needing lightweight request inboxes.
At a glance
- Editor score6.2 / 10
- PricingOpen source
- Best forDevelopers needing lightweight request inboxes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Captures and displays incoming HTTP requests in real time
- REST API supports inbox management and request retrieval
- HTTP long-polling, streaming, and configurable responses
Where it doesn't
- Does not provide retry verification or request replay
- Lacks signature verification and routing features
- Focused on inspection rather than broader delivery management
Our verdict on WebhookInbox
WebhookInbox is an open-source web service for receiving HTTP requests from external applications and storing them for later inspection. It generates inbox URLs that developers can provide to webhook or callback senders, making it suited to debugging HTTP callbacks and examining data sent by browsers and client applications. The product is available through web and API interfaces, and the project can also be self-hosted.
Its strongest capability is request visibility. Incoming request data appears in real time, while REST API endpoints support inbox creation, management, and retrieval of stored request items. HTTP long-polling and streaming provide live-update options for applications that need to monitor activity programmatically. Developers can also configure HTTP responses for pending requests, control inbox expiration, refresh or destroy inboxes, and handle PubSubHubbub verification callbacks.
WebhookInbox fits teams that need a focused place to capture and inspect callback traffic, particularly when an API-driven workflow or self-hosted deployment is preferred. Its scope is narrower than a full webhook delivery-management system: it does not verify retries, replay requests, verify signatures, or provide routing. Teams that primarily need request capture, inspection, retrieval, and live updates should find the feature set aligned with that task. Teams seeking controls for delivery reliability, authentication validation, or multi-destination routing should choose a product built around those functions instead.
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WebhookInbox pricing
WebhookInbox fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Event inspection | Yes |
| Automatic retries | Not verified |
| Event replay | Not verified |
| Signature verification | Not verified |
| Routing rules | Not verified |
| Log retention | Not verified |
| Deployment model | Both |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Open source |
| Website | webhookinbox.com |
| Facts checked | 20 Sep 2026 |
Alternatives to WebhookInbox
- FastHookA free, cloud-based webhook gateway with unusually broad operational coverage.9.4
- AxelDurable webhook ingestion with routing, retries, replay, and hosted or self-hosted deployment.9.3
- Webhook RelayA flexible webhook gateway with strong delivery controls and a practical free tier.9.2
See all WebhookInbox alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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