# klymax402 Text Classifier API

> klymax402 Text Classifier API is a paid API for AI agents from klymax402.com, paid per call via x402, $0.012/call, status unknown (last checked 2026-09-15).

Classifies a given text passage into one or more predefined or custom categories using AI.

## Facts

- Endpoint: GET https://klymax402.com/api/text-classifier/api/classify
- Price: $0.012/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/klymax402-text-classifier-api-63708780
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gOa19iUEDzCBsjHhVevHB

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability klymax402-text-classifier-api-63708780
```

Example prompt: Can you classify this paragraph into one of these categories — tech, finance, or health: 'The Federal Reserve raised interest rates by 25 basis points citing persistent inflation concerns in the services sector.'

## When to prefer this

Use this endpoint when you need lightweight, fast text classification against a fixed or custom set of topic categories and do not want to manage API keys. Ideal for content routing, tagging pipelines, or topic detection tasks within an agent workflow that already uses x402 micropayments on Base.

## Known failure modes

- Text input shorter than 50 characters may produce inaccurate or refused results
- Invalid or empty categories array may cause fallback to defaults or error
- Payment failure (insufficient USDC balance) returns HTTP 402
- Ambiguous text spanning multiple categories may produce low-confidence or split results
- Network timeout or service unavailability returns HTTP 5xx

## How this service works

One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.

## Output

Returns the classified category label for the input text, likely alongside a confidence score or ranked list of matching categories. If custom categories are provided, classification is performed against those; otherwise the default set (tech, finance, health, sports, politics, entertainment, science, business) is used.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "The text content to classify (min 50 characters for accurate results)"
  },
  "categories": {
   "type": "array",
   "description": "Optional custom categories to classify against. Default: tech, finance, health, sports, politics, entertainment, science, business"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/klymax402-text-classifier-api-63708780/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from klymax402.com](https://www.zero.xyz/host/klymax402.com/llms.txt)