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ONE Engine Hashtag Extractor (T3)
x402
ONE Engine Hashtag Extractor (T3) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).
Extracts relevant hashtags from a block of text up to 50,000 characters
Price / call$0.001
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
A JSON object containing an array or set of extracted and recommended hashtags derived from the input text, suitable for use on social media platforms or for content tagging purposes.
Example use cases
Social media post tagging
“I just wrote this LinkedIn post about AI trends in 2025 and I need hashtag suggestions — can you extract the most relevant ones from the text? Here's the post: 'Generative AI is no longer a novelty — it's reshaping how enterprises hire, build products, and serve customers at scale.'”
Blog article hashtag generation
“I have a 2,000-word blog post about sustainable fashion and zero-waste living. Can you read through it and pull out all the hashtags I should use when I share it on social?”
Marketing copy enrichment
“We're launching a new product and I wrote some promo copy. Can you extract the best hashtags from it so I can tag our social posts consistently? Here's the copy: 'Introducing EcoBottle Pro — the world's first fully compostable smart water bottle with hydration tracking built right in.'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-token/hashtags/t3?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to automatically generate or extract hashtags from a body of text for social media, content tagging, or SEO purposes. It is especially useful for agents handling content pipelines, social media scheduling, or marketing copy workflows where consistent and relevant tagging is needed at low cost per call.
Side effects
- Text exceeds 50,000 character limit — request rejected
- Empty or missing 'text' field — validation error
- Ambiguous or very short text may yield few or low-quality hashtags
- Payment failure via x402 protocol — 402 response before processing begins
- Network timeout on the Cloudflare Worker edge node
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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