PubSubHubbub Hub
Business Profile
Core Value Proposition
PubSubHubbub Hub provides real-time feed update notifications via the PubSubHubbub protocol, hosted by Google.
Target Customer
{"Feed publishers","Feed subscribers","Developers integrating PubSubHubbub"}
Key Differentiator
{"Google-hosted PubSubHubbub Hub that supports PubSubHubbub 0.4 (and 0.3 with exceptions)","Advertises via both atom:link tags in feeds and Link headers (hub/self patterns)","Promoted as a free, decentralized PubSubHubbub protocol service"}
Implementation Timeline
Not specified
Pain Points
- 1Need to notify subscribers when new content is added to a feed
- 2Require a standards-based mechanism to advertise hub presence in Atom/RSS feeds
- 3Need tooling to subscribe, publish, and diagnose feed update flows
Key Features
- 1Conforms to PubSubHubbub 0.4 specification (0.3 with exception for permanent subscriptions)
- 2Supports advertisement of the hub via atom:link tag or via Link headers with hub and self URLs
- 3Allows publishing updates by sending an HTTP POST to the hub with hub.mode and hub.url parameters
- 4Provides hub diagnostics, subscribe/unsubscribe, and publish/debug interfaces
- 5Google-run hosted service; PubSubHubbub protocol is decentralized and free
Target Customer Industries
Competitive Advantages
- 1Hosted by Google, reducing the need for self-hosting
- 2Supports multiple feed advertisement methods (Atom/RSS compatible)
- 3Standards-based, free, and decentralized PubSubHubbub protocol
Key Benefits
Additional Product Information
Product Description
A hosted hub that implements PubSubHubbub for notifying subscribers when feed content updates, using Atom/RSS feeds and hub protocols; operated by Google.
Target Market
Publishers and developers working with RSS/Atom feeds who want real-time update notifications to subscribers
Unique Value Proposition
Google-run, standards-compliant PubSubHubbub hub enabling real-time feed update notifications across feeds via standard advertising methods
Technical Requirements
Requires a feed URL and a callback URL for subscriptions; updates are delivered via HTTP POST to the hub with Content-Type: application/x-www-form-urlencoded; hub.mode and hub.url parameters; feeds can be advertised using atom:link tags or Link headers
Pricing Model
Free to use; no pricing information provided in the content
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