# 24K Labs Keywords Extract

> 24K Labs Keywords Extract is a paid API for AI agents from api.24klabs.ai, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-13).

Extracts and ranks key topics, entities, and tags from a block of text

## Facts

- Endpoint: POST https://api.24klabs.ai/api/keywords-extract
- Price: $0.006/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/24k-labs-keywords-extract-b27e2b38
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Pork6ZPoYKxsq8QYF0MJJ

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 24k-labs-keywords-extract-b27e2b38 -d '<json body>'
```

Example prompt: Pull the key topics, entities, and ranked keywords from this article text: 'The Federal Reserve raised interest rates by 25 basis points Tuesday, citing persistent inflation concerns that have rattled global markets.'

## When to prefer this

Choose this endpoint when you need fast, ranked keyword and entity extraction from arbitrary text without building your own NLP pipeline. It is well-suited for content tagging, SEO analysis, document indexing, and entity identification workflows where you want structured output from unstructured text in a single API call.

## Known failure modes

- Empty or whitespace-only text input returns no results or an error
- Very short text may yield low-quality or sparse keyword output
- Non-English text may produce degraded results if the model is English-optimized
- Malformed request body returns a 400 validation error
- Rate limits or payment failures return appropriate HTTP error codes

## How this service works

Pull the key topics, entities, and tags from text as a ranked list.

## Output

A ranked list of keywords, topics, and named entities extracted from the input text, ordered by relevance or prominence score.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "keywords": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/24k-labs-keywords-extract-b27e2b38/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.24klabs.ai](https://www.zero.xyz/host/api.24klabs.ai/llms.txt)