The Octopart team has done a great job with HNSearch, and we really appreciate the huge favor they've done us by providing it. That said, due to limitations on our end around how they integrate with us, they're not able to offer real-time updates or full fidelity ranking snapshots.
I'm working on a more comprehensive first-party API for HN, and plan to implement the following, in this order:
1) Near-real-time profiles, comments, and stories as JSON.
2) Real-time streaming of profile and item changes.
3) Near-real-time ranking of comments and stories.
4) Real-time streaming of ranking changes.
5) History of ranking changes.
Sadly, I can't commit to any firm timeline for future progress right now, but know that I'm working on it :)
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Edit: Remove link to broken data file. Fixing it up tomorrow.
I'm working on a more comprehensive first-party API for HN, and plan to implement the following, in this order:
Sadly, I can't commit to any firm timeline for future progress right now, but know that I'm working on it :)-- Edit: Remove link to broken data file. Fixing it up tomorrow.