# Changelog of YouTube Hashtag Trend Discovery — Find Trending Videos (`sian.agency/youtube-hashtag-trend-discovery`) Actor

- **URL**: https://apify.com/sian.agency/youtube-hashtag-trend-discovery/changelog.md
- **Full Actor documentation**: https://apify.com/sian.agency/youtube-hashtag-trend-discovery.md

## Changelog

All notable changes to **YouTube Hashtag Trend Discovery** will be documented in this file.

### \[2026-05-22]

#### 🎉 YouTube Hashtag Trend Discovery — Launch!

- **Single-Hashtag Explore** — Get trending YouTube videos or Shorts behind any hashtag with paginated depth. Hashtag research with full video metadata in seconds.
- **Bulk Hashtag Audit** — Process up to 200 hashtags per run. Comma- or newline-separated input, one paginated pull per hashtag, clean rows. Perfect for weekly hashtag trend forecasting.
- **Autocomplete Hashtag Discovery** — Seed a topic and get back the actual hashtag suggestions YouTube serves in its search box. The discovery tool content strategists actually need.
- **Hashtag Expansion Mode** — Pass one seed hashtag, get back BOTH related hashtags AND the trending video content for the expanded set. Ideal for SEO content-cluster planning.
- **Adoption Metadata Baked In** — Every video row carries `hashtagTotalVideos` and `hashtagTotalChannels` parsed straight from YouTube's hashtag panel. Spot saturated tags from fresh territory instantly.

#### 💎 User Benefits

- Pick the right hashtags for branded-content campaigns based on real adoption data, not gut feel
- Discover topical wedges weeks before they hit mainstream metrics
- Build hashtag-clustered video datasets for AI training with source-labeled rows
- Map hashtag networks for SEO content-cluster planning at scale
- Pay only for successful rows — invalid hashtags and errors are never charged

#### 🎯 Use Cases

- Social media managers shortlisting the 5 right hashtags before a campaign drop
- Content strategists hunting for emerging topical wedges via autocomplete discovery
- Trend forecasters running weekly hashtag adoption-count deltas in their dashboards
- SEO teams mapping hashtag neighborhoods for content-cluster planning at scale
- AI training pipelines collecting hashtag-clustered YouTube video metadata with source labels