# 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 2026-10-14).

Computes TF-IDF scores for keywords in a document against a corpus and returns ranked keyword relevance results

## Facts

- Endpoint: POST https://kihustle.tech/bot-bazaar/api/v1/tf-idf-keyword-ranker?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kihustle-tf-idf-keyword-ranker-b0ab6252
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mHc4NCXlO5y_FTwsx1s4l

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-b0ab6252 -d '<json body>'
```

Example prompt: Rank the keywords in this blog post about AI side hustles against my corpus of 10 reference articles and tell me which terms are most statistically significant: [document text here].

## 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 pipeline. It is well-suited for content creators, SEO analysts, and AI agents that need to score keyword relevance of a single document against a reference corpus programmatically and cheaply at $0.002 per call.

## Known failure modes

- Empty corpus array causes undefined IDF behavior or error
- Document field is empty or missing, returning error or empty rankings
- Corpus items are not strings, causing schema validation failure
- Very short document with few unique terms produces low-signal rankings
- Large corpus or very long document may increase processing time

## 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 a result and status field; in practice the result contains keyword-level TF-IDF scores or a ranked list of terms indicating their relative importance within the provided document versus the given 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-b0ab6252/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)