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ONE Engine Hashtag Extractor (t5)
x402
ONE Engine Hashtag Extractor (t5) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0025/call, status unknown (last checked 2026-10-02).
Extracts hashtags from a given block of text up to 50,000 characters using a pay-per-call x402 API on Base.
Price / call$0.0025
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 hashtags extracted from the input text, likely as an array of hashtag strings found within the provided content.
Example use cases
Social media content audit
“I have a big batch of social media posts — here's one to start: 'Just launched our new product! #startup #launch #saas #tech #productHunt #buildinpublic' — can you extract all the hashtags from it?”
Hashtag analytics pipeline
“We're building a report on trending topics. Here's a scraped blog post text — can you pull every hashtag out of it so I can count which ones appear most often?”
Content moderation tagging
“Check this user-submitted post and list every hashtag it contains so I can flag it for category review: 'Great day hiking! #outdoors #hiking #fitness #wellness #mentalhealth'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-extract/hashtags/t5?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cheap, lightweight, pay-per-call service to extract hashtags from arbitrary text without needing a full NLP platform or managing API keys — especially when operating in an autonomous agent context on Base using x402 micropayments.
Side effects
- Text exceeds 50,000 character limit — request rejected
- Payment not included or insufficient USDC — 402 Payment Required response
- Empty or missing 'text' field — 400 Bad Request
- No hashtags found in text — returns empty list
- Malformed JSON body — parsing 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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