# ScriptMasterLabs ACP x402 Keyword Extraction API

> ScriptMasterLabs ACP x402 Keyword Extraction API is a paid API for AI agents from acp-x402-discovery.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-27).

Extracts keywords from text content via a pay-per-call API settled in USDC on Base via x402

## Facts

- Endpoint: GET https://acp-x402-discovery.onrender.com/x402/keyword-extract?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-27
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/scriptmasterlabs-acp-x402-keyword-extraction-api-90fb81b9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rA8lgc7ZnZu1fZoenX89w

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 scriptmasterlabs-acp-x402-keyword-extraction-api-90fb81b9
```

Example prompt: Can you extract the keywords from this paragraph for me: 'The Federal Reserve raised interest rates amid growing concerns about inflation and slowing GDP growth in the United States'?

## When to prefer this

Choose this endpoint when you need lightweight, pay-per-call keyword extraction without a subscription, especially in crypto-native or x402-compatible agent workflows settling in USDC on Base. Ideal for agents processing financial, regulatory, or compliance text who want micropayment-based access without API key management.

## Known failure modes

- Missing or empty input text returns empty result or error
- Malformed input schema results in a 400 or similar client error
- Payment failure via x402 returns 402 Payment Required before processing
- Service unavailability on render.com hosting returns 503
- Very short or single-word input may return minimal or no meaningful keywords

## How this service works

Pay-per-call crypto, RWA, federal, SEC, and compliance APIs. Settled in USDC on Base via x402. Hyphen routes only (e.g. /x402/rwa-aggregates, /x402/gas-tracker).

## Output

Returns a set of extracted keywords or key phrases identified from the input text, representing the most significant or relevant terms present in the provided content.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/scriptmasterlabs-acp-x402-keyword-extraction-api-90fb81b9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from acp-x402-discovery.onrender.com](https://www.zero.xyz/host/acp-x402-discovery.onrender.com/llms.txt)