# OmniAPI AI Keywords Extraction

> OmniAPI AI Keywords Extraction is a paid API for AI agents from omni-api-cyan.vercel.app, paid per call via x402, $0.118926/call, status unknown (last checked 2026-10-31).

Extracts or generates relevant keywords from a text query using AI, paid per call via x402 USDC micropayment.

## Facts

- Endpoint: POST https://omni-api-cyan.vercel.app/api/ai/keywords?utm_source=zero.xyz
- Price: $0.118926/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/omniapi-ai-keywords-extraction-da782b83
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nP7IkzR8QFfCr97TulfGO

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 omniapi-ai-keywords-extraction-da782b83 -d '<json body>'
```

Example prompt: Extract the most relevant AI-generated keywords from this product description: 'Lightweight noise-cancelling wireless headphones with 30-hour battery life, foldable design, and built-in voice assistant support.'

## When to prefer this

Choose this endpoint when you need quick, pay-per-use AI-powered keyword extraction without a subscription, especially in multi-chain crypto-native workflows or when integrating with x402 micropayment infrastructure. Useful for lightweight SEO, tagging, or NLP enrichment tasks where you want per-call billing in USDC.

## Known failure modes

- Missing required 'query' field returns a 400 validation error
- Payment not provided or insufficient USDC results in a 402 Payment Required response
- Malformed JSON body returns a parse error
- Empty or very short query may return few or no meaningful keywords
- Rate limiting or upstream AI provider errors may return 429 or 500 status

## How this service works

444 endpoints across 9+ chains. Crypto, AI, Social, Finance, Weather, Tools. Pay per call in USDC via x402 with 4 facilitators: Dexter, Meridian, FluxA, GoPlausible.

## Output

Returns a structured object containing AI-extracted or AI-generated keywords and key phrases derived from the input query or text, suitable for tagging, SEO, search indexing, or content classification.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "input": {
   "type": "string",
   "description": "Input data for the endpoint"
  },
  "query": {
   "type": "string",
   "description": "Search query or input text"
  },
  "params": {
   "type": "object",
   "description": "Additional parameters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/omniapi-ai-keywords-extraction-da782b83/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from omni-api-cyan.vercel.app](https://www.zero.xyz/host/omni-api-cyan.vercel.app/llms.txt)