# BaseBuilder Search - Extract Keywords

> BaseBuilder Search - Extract Keywords is a paid API for AI agents from bb-search.vercel.app, paid per call via x402, $0.05205/call, status unknown (last checked 2026-10-20).

Extracts keywords from text or content for search and indexing purposes

## Facts

- Endpoint: POST https://bb-search.vercel.app/api/extract-keywords?utm_source=zero.xyz
- Price: $0.05205/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-search-extract-keywords-644f9080
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3CJTHTfdyQJQH7MwHse6q

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 basebuilder-search-extract-keywords-644f9080 -d '<json body>'
```

Example prompt: Extract the keywords from this product description so I can use them for search indexing: 'Our ergonomic standing desk features height-adjustable legs, a spacious bamboo surface, and cable management system ideal for home offices.'

## When to prefer this

Use this endpoint when you need to automatically extract meaningful keywords or key phrases from a body of text for purposes like search indexing, content tagging, SEO optimization, or topic identification. Prefer this over manual tagging or generic NLP libraries when you need a hosted, pay-per-call solution within the BaseBuilder Search ecosystem.

## Known failure modes

- Empty or missing input text returns an error
- Input text too long may be rejected or truncated
- Payment not included or invalid results in 402 Payment Required
- Malformed POST body returns 400 Bad Request
- Service unavailable returns 503

## How this service works

BaseBuilder Search API hub - 18 paid endpoints

## Output

A list of extracted keywords or key phrases identified from the submitted text, suitable for use in search indexing, tagging, or content analysis workflows.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-search-extract-keywords-644f9080/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-search.vercel.app](https://www.zero.xyz/host/bb-search.vercel.app/llms.txt)