# KiHustle TF-IDF Keyword Ranker

> KiHustle TF-IDF Keyword Ranker is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-23).

Ranks keywords by TF-IDF score for a given text corpus or document input

## Facts

- Endpoint: POST https://kihustle.tech/api/v1/tf-idf-keyword-ranker?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kihustle-tf-idf-keyword-ranker-2ccfdfeb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ONRaQMy7tWoug9Fw9YoaO

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 kihustle-tf-idf-keyword-ranker-2ccfdfeb -d '<json body>'
```

Example prompt: Can you rank the keywords in this blog post about passive income using TF-IDF scoring so I know which terms are most statistically significant?

## When to prefer this

Use this endpoint when you need statistically-grounded keyword importance scores based on TF-IDF rather than heuristic or AI-based keyword extraction. Suitable for SEO analysis, content optimization, and NLP preprocessing pipelines where term frequency and inverse document frequency weighting is specifically required.

## Known failure modes

- Empty or missing text input returns error or empty result
- Malformed JSON body results in 400-level error
- Oversized text corpus may time out or return partial results
- Non-textual input (binary data) likely yields no meaningful rankings
- Rate limiting or payment failure returns 402 or 429 status

## How this service works

Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.

## Output

A JSON response containing processed keyword rankings with TF-IDF scores, indicating the relative importance of each term in the submitted text relative to the corpus.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "corpus": {
   "type": "array",
   "items": {
    "type": "string"
   }
  },
  "document": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "processed",
  "status": "success"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kihustle-tf-idf-keyword-ranker-2ccfdfeb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kihustle.tech](https://www.zero.xyz/host/kihustle.tech/llms.txt)