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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, $0.0007/call, status unknown (last checked 2026-10-02).
Extracts all hashtags from a given block of text, up to 50,000 characters.
Price / call$0.0007
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 input text, parsed directly from the provided string.
Example use cases
Social media content audit
“I have a bunch of Instagram captions I want to analyze — can you extract all the hashtags from this caption so I can track which tags we're using? Here it is: 'Sunset vibes 🌅 #travel #wanderlust #photography #goldenhour #explore'”
Hashtag strategy analysis
“Can you pull every hashtag out of this Twitter thread text so I can see what tags our competitors are using? Here's the full text: 'Big launch day! #startup #launch #SaaS #ProductHunt #tech #buildinpublic — come check us out!'”
Content moderation tagging pipeline
“I need to extract all hashtags from this user-submitted post before we store it in our database: 'Join us for the event! #community #networking #NYC #marketing #digitalmarketing #growth'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-extract/hashtags/t2?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, cheap ($0.0007 USDC), pay-per-call extraction of hashtags from text without spinning up your own NLP pipeline. Ideal for agents processing social media content, building hashtag taxonomies, or running content audits at scale.
Side effects
- Text exceeds 50,000 character limit — request rejected
- No hashtags present in text — returns empty list
- Malformed request body or missing required 'text' field — error response
- Payment failure via x402 — 402 response, call not processed
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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