# 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 2026-10-13).

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

## Facts

- Endpoint: POST https://kihustle.tech/nexus/api/v1/tf-idf-keyword-ranker?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kihustle-tf-idf-keyword-ranker-3196cf68
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HH6-exmOtwkKvztXq6ZRN

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-3196cf68 -d '<json body>'
```

Example prompt: Rank the keywords in my blog post by TF-IDF importance — here's the article text, and here are 10 similar articles to use as the reference corpus so you can weight the terms properly.

## When to prefer this

Choose this endpoint when you need a lightweight, pay-per-call TF-IDF keyword ranking service without spinning up your own NLP infrastructure. It is especially useful for content creators, SEO analysts, and developers who need relative keyword importance scores for a single document against a known reference corpus, without requiring a full-featured NLP platform subscription.

## Known failure modes

- Empty corpus array returns error or meaningless scores
- Document field missing or empty causes processing failure
- Very large corpus or document may time out or exceed payload limits
- Non-string array items in corpus may cause parsing errors
- Generic response schema provides limited error detail beyond status field

## 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 ranked keywords from the input document with their computed TF-IDF scores relative to the provided corpus, indicating which terms are most distinctive and relevant in the document compared to the reference collection.

## 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-3196cf68/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)