Mastodon Hashtag Search & Fediverse Monitor API avatar

Mastodon Hashtag Search & Fediverse Monitor API

Pricing

from $5.00 / 1,000 post fetcheds

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Mastodon Hashtag Search & Fediverse Monitor API

Mastodon Hashtag Search & Fediverse Monitor API

Search a hashtag across multiple Mastodon instances and get back structured posts with engagement counts — no login, no auth token required. Built for brand monitoring and research across the Fediverse.

Pricing

from $5.00 / 1,000 post fetcheds

Rating

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Developer

Muhammad Sohaib Roomi

Muhammad Sohaib Roomi

Maintained by Community

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0

Bookmarked

2

Total users

1

Monthly active users

5 days ago

Last modified

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Search a hashtag across multiple Mastodon instances and get back structured posts with engagement counts — no login, no API token, no anti-bot workarounds. Fediverse content is spread across thousands of independent servers instead of one central platform, so this pools results from a configurable list of instances in one call.

What you can use this for

  • Brand & topic monitoring across the Fediverse, where mentions of your product or industry are scattered across many servers instead of one app.
  • Research into a niche or growing platform community not well covered by mainstream social listening tools.
  • Competitive/market intelligence in spaces (open source, indie tech, journalism) that lean heavily toward Mastodon over corporate platforms.

Input

FieldDescriptionDefault
hashtagHashtag to search, without #technology
instancesList of instance domains to querymastodon.social, mastodon.online, fosstodon.org
onlyMediaRestrict to posts with an image/video/audio attachmentfalse
maxResultsPerInstanceMax posts to fetch per instance100

Every field has a working default — hit Start with no changes and you'll get results.

Output

One row per post:

{
"id": "112233445566778899",
"instance": "mastodon.social",
"url": "https://mastodon.social/@user/112233445566778899",
"text": "post text with HTML stripped",
"createdAt": "2026-09-01T12:00:00.000Z",
"author": { "username": "user", "acct": "user@mastodon.social", "displayName": "..." },
"favouritesCount": 4,
"reblogsCount": 1,
"repliesCount": 0,
"tags": ["technology"]
}

Pricing

Pay-per-event: $0.005 per post fetched. No subscription, no minimum.