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ONE Engine Text Hashtag Extractor
x402
ONE Engine Text 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 relevant hashtags from a given block of text using a pay-per-call API on Base via x402.
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 an object containing extracted or suggested hashtags derived from the input text, likely as an array of hashtag strings or a structured tag list relevant to the content's topics and themes.
Example use cases
Social media post tagging
“I've written this Instagram caption and want the best hashtags for it: 'Just launched our new sustainable sneaker line made from 100% recycled ocean plastic — comfort meets conscience.' Can you pull out relevant hashtags for me?”
Blog content SEO tagging
“Here's my latest blog post about remote work productivity tools — can you extract a list of hashtags I should attach when I share it on LinkedIn and Twitter?”
Marketing copy hashtag generation
“I have this product description for our new cold brew coffee: 'Slow-steeped for 24 hours with single-origin Ethiopian beans, delivering a smooth, bold flavor with zero bitterness.' What hashtags should I be using with this?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-token/hashtags/t6?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, low-cost hashtag extraction from arbitrary text in an autonomous agent pipeline — especially when operating on Base with x402 micropayments. Ideal for content workflows that generate social posts, articles, or marketing copy and need programmatic tagging without a heavy NLP service subscription.
Side effects
- Text exceeds 50,000 character limit — request rejected or truncated
- Empty text input — may return empty hashtag list or error
- Payment failure via x402 on Base — 402 response if USDC payment not completed
- Ambiguous or very short text — may return generic or low-quality hashtags
- Network timeout on Cloudflare Workers edge — transient 5xx error
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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