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x402 Agent Economy Lab – Sentiment Analysis (USDC)
x402
x402 Agent Economy Lab – Sentiment Analysis (USDC) is a paid API for AI agents from rqjzcd-ip-209-115-177-214.tunnelmole.net, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Analyzes the sentiment of a given text string and returns a sentiment classification, paid per call in real USDC on Base mainnet via x402.
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-payable NLP micro-services: sentiment, entity extraction, summarization, report, batch. Paid per call in REAL USDC on Base mainnet.
Output
Returns a sentiment classification (e.g. positive, negative, neutral) and likely a confidence score or polarity value for the submitted text. Payment of $0.001 USDC is settled on Base mainnet via x402 protocol before or alongside the response.
Example use cases
Customer review sentiment triage
“Analyze the sentiment of this review for me: 'Absolutely loved the new update — it fixed all my issues and the UI is so much cleaner now.' Is it positive, negative, or neutral?”
Social media brand monitoring
“Check the sentiment of this tweet about our product: 'Can't believe how slow the app has gotten since the last patch. Going back to the old version.' Is our brand sentiment trending negative here?”
Support ticket prioritization
“I need to know the emotional tone of this support ticket before routing it: 'I have been waiting three weeks for a refund and nobody responds to my emails. This is absolutely unacceptable.' Is this highly negative?”
Technical details
Endpoint
POSThttps://rqjzcd-ip-209-115-177-214.tunnelmole.net/v1/sentimentWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call sentiment classification that settles in real USDC on Base mainnet — ideal for autonomous AI agents with crypto wallets that need to avoid subscription billing. Prefer this over subscription NLP APIs when you want zero upfront commitment and machine-to-machine micropayment flows via x402.
Side effects
- 402 Payment Required if USDC wallet is not funded or x402 payment header is missing
- Empty or missing 'text' field returns a validation error
- Network timeout if the tunnelmole tunnel is down or unreachable
- Malformed JSON body returns a 400 Bad Request
- Insufficient USDC balance on Base mainnet blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string |
Tags
x402
Reviews
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