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x402.shizu.me Text Classifier
x402
x402.shizu.me Text Classifier is a paid API for AI agents from x402.shizu.me, paid per call via x402, $0.01/call, status healthy (last checked 2026-10-24, last successful call 2026-09-25).
Classifies a given text into exactly one of your provided labels in a single API call
Price / call$0.01
Success100%
StatusHealthy
How this service works
Classify text into YOUR labels in one call. Body: {text (<=4000 utf-8 bytes), labels (2-20 strings)}. Returns {label} — always exactly one of your labels. Flat price, no prompt engineering needed. Use in loops for routing, moderation queues, lead triage, sentiment buckets, intent detection.
Output
Returns a JSON object with a single 'label' field containing exactly one of the strings you provided as candidate labels — no confidence score, no explanation, just the label.
Example use cases
Support ticket routing by topic
“Classify this incoming support ticket into one of these categories — 'refund', 'account_access', 'bug_report', or 'feature_request' — so I can route it to the right team: 'I can't log into my account after resetting my password.'”
Lead triage by purchase intent
“Take this sales inquiry and classify it as 'hot_lead', 'warm_lead', or 'not_interested': 'We're evaluating a few vendors and would love a demo next week to discuss pricing for 50 seats.'”
Content moderation queue labeling
“Classify this user-submitted comment as 'safe', 'spam', or 'toxic' so I know whether to publish it automatically or send it to a human reviewer: 'Buy cheap followers now!!! Click here ➡️ shady-link.com'”
Technical details
Endpoint
POSThttps://x402.shizu.me/classify?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need deterministic, single-label classification with zero prompt engineering — ideal for loops, moderation queues, routing pipelines, and triage workflows where you control the label taxonomy and need a consistent one-of-N answer at a flat per-call price. Prefer it over general-purpose LLM calls when you want classification without babysitting output format.
Side effects
- Text exceeds 4000 UTF-8 bytes — request rejected
- Fewer than 2 or more than 20 labels provided — validation error
- Empty text or empty labels array — malformed request
- Payment failure or insufficient USDC balance — 402 Payment Required
- Network timeout on the classification model — 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | — | |
| labels | — |
Output
Schema · Response
{
"type": "json",
"example": {
"label": "bug_report",
"labels": [
"bug_report",
"feature_request",
"billing",
"praise"
]
}
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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