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ONE Engine Text Hashtag Extractor (Top 10)
x402
ONE Engine Text Hashtag Extractor (Top 10) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-02).
Extracts the top 10 most relevant hashtags from a given block of text up to 50,000 characters.
Price / call$0.03
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns a JSON object containing the top 10 hashtags extracted and ranked by relevance from the provided text, suitable for use in social media posts or content tagging.
Example use cases
Social media post optimization
“I just wrote this product launch announcement — can you pull out the top 10 hashtags I should tag it with when I post it on Twitter and LinkedIn?”
Blog article hashtag tagging
“Here's a 3,000-word article about sustainable fashion. What are the 10 best hashtags to use when promoting it on Instagram?”
Automated content pipeline tagging
“For every piece of content my agent publishes, I want it to automatically extract the top 10 hashtags from the text so they get added to the social post without me having to think about it.”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-token/hashtags/t10?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, low-cost ($0.03 USDC) automated extraction of exactly the top 10 hashtags from a text body, especially in autonomous agent pipelines where pay-per-call x402 billing on Base is already configured. Prefer this over manual hashtag research or LLM prompting when you want a deterministic ranked list without custom prompt engineering.
Side effects
- Text exceeds 50,000 character limit — request rejected or truncated
- Empty or very short text — may return fewer than 10 hashtags or low-quality results
- Payment failure via x402 — 402 response if USDC funds are insufficient
- Non-English or mixed-language text — hashtag quality may degrade
- Highly technical or niche text — hashtags may be generic rather than domain-specific
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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