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ONE Engine Hashtag Extractor
x402
ONE Engine Hashtag Extractor is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-02).
Extracts hashtags from a block of text up to 50,000 characters
Price / call$0.004
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns a structured object containing the list of hashtags found in the submitted text, parsed directly from the input string.
Example use cases
Social post hashtag audit
“Here's a batch of tweets from our brand account — can you extract all the hashtags from this one and tell me what tags we used? Text: 'Big news — our new product just launched! 🚀 #launch #startup #productHunt #tech #innovation'”
Content moderation hashtag scan
“I need to check what hashtags are embedded in this user-submitted post before approving it: 'Join us for the rally tomorrow! #resist #march #solidarity #freedom2024 #changeNow'”
Influencer caption analysis
“Can you extract every hashtag from this influencer's caption so I can track which tags they're using? Here it is: 'Morning routine ✨ #wellness #morningroutine #selfcare #fitness #mindfulness #grwm'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-extract/hashtags/t6?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call hashtag extraction utility without standing up your own NLP pipeline. At $0.004 per call it is cost-effective for high-volume agent workflows that process social media content, user-generated posts, or any text corpus needing hashtag indexing.
Side effects
- Text exceeds 50,000 character limit — request rejected
- Empty or missing 'text' field — validation error
- Text contains no hashtags — returns empty list
- Payment failure via x402 — 402 response before processing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | Text up to 50000 characters |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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