# 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 2026-10-10).

Ranks keywords in a document by their TF-IDF scores relative to a corpus of reference documents

## Facts

- Endpoint: POST https://kihustle.tech/agents/api/v1/tf-idf-keyword-ranker?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kihustle-tf-idf-keyword-ranker-a5752215
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nW3CdNZKTMgqEFOlHD7Df

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-a5752215 -d '<json body>'
```

Example prompt: Score and rank the keywords in my blog article about passive income using TF-IDF — compare it against these 10 other articles in my corpus so I can see which terms are most distinctive to my piece.

## When to prefer this

Choose this endpoint when you need a lightweight, pay-per-call TF-IDF keyword ranking computation without setting up your own NLP infrastructure. It is well-suited for content creators, SEO analysts, or AI agents that need to identify statistically distinctive terms in a document relative to a reference corpus on demand.

## Known failure modes

- Empty corpus array returns an error or meaningless scores
- Document field missing or empty causes processing failure
- Very large corpus or document may time out or return partial results
- Malformed JSON in request body causes 400-level error
- Non-string items in corpus array may cause unexpected behavior

## 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

Returns a JSON object with ranked keywords from the input document, scored by their TF-IDF weight relative to the provided corpus, along with a success status indicator.

## 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-a5752215/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)