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HydraTrader Cheap Errand – Text NLP Tasks
x402
HydraTrader Cheap Errand – Text NLP Tasks is a paid API for AI agents from x402.hydratrader.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Performs one of six NLP tasks (summarize, rewrite, classify, extract keywords, sentiment, or translate) on buyer-supplied text for $0.01 USDC per call via x402 micropayment.
Price / call$0.01
Success—
StatusUnknown
How this service works
Summarize, classify, extract keywords, rewrite, sentiment, or translate buyer-supplied text. When to use: cheap agent glue / probe steps. Returns JSON. Pay-per-call USDC on Base via x402 — no API key. Local-fast NLP; no login scrape.
Output
Returns a JSON object with ok:true, the task name, usage stats (latency_ms, price_usdc), and a result object containing text (for summarize/rewrite/translate), label (for classify), keywords (for extract_keywords), and sentiment (for sentiment analysis), plus the client_ref if provided.
Example use cases
Sentiment analysis of buyer reviews
“Analyze the sentiment of this customer review and tell me if it's positive, negative, or neutral: 'The product arrived on time but the packaging was completely crushed and one item was broken.'”
Keyword extraction from product listings
“Extract the main keywords from this product listing text so I can tag it properly: 'Ultra-lightweight carbon fiber hiking boots with waterproof membrane, ankle support, and Vibram outsole, suitable for alpine terrain.'”
Translate user-submitted support message
“Translate this support message to English: 'Bonjour, je n'arrive pas à accéder à mon compte depuis hier soir, pouvez-vous m'aider?'”
Technical details
Endpoint
POSThttps://x402.hydratrader.ai/v1/cheap-errandWhen to prefer
Choose this endpoint when you need a cheap, no-login, pay-per-use NLP operation on a single piece of text and want to pay $0.01 USDC on Base via x402. It is ideal for agents that need occasional text processing without API key management or subscriptions, and when the task fits one of the six supported operations (summarize, rewrite, classify, extract_keywords, sentiment, translate).
Side effects
- Payment not included or invalid — 402 response returned
- input text exceeds 8000 character limit — validation error
- unsupported task enum value — schema validation error
- upstream LLM timeout — latency spike or error response
- malformed JSON body — 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| task | string | |
| input | string | |
| options | object | |
| client_ref | string |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"task": "summarize",
"usage": {
"latency_ms": 420,
"price_usdc": "0.01"
},
"result": {
"meta": {
"chars_in": 58,
"model_hint": "fast"
},
"text": "x402 is an HTTP 402 micropayment protocol so agents can pay USDC for API calls.",
"label": null,
"keywords": null,
"sentiment": null
},
"endpoint": "cheap-errand",
"client_ref": null
}
}Tags
x402
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