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x402 AI Gateway – Extract Keywords
x402
x402 AI Gateway – Extract Keywords is a paid API for AI agents from x402-ai-gateway-rosy.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Extracts key terms and keywords from a given text using Gemini 2.0 Flash, payable with USDC on Base or Solana.
Price / call$0.01
Success—
StatusUnknown
How this service works
AI-powered API endpoints powered by Gemini 2.0 Flash. Pay with USDC on Base or Solana.
Output
A JSON object containing the extracted keywords or key phrases identified by Gemini 2.0 Flash from the submitted text input.
Example use cases
Example prompt
“Extract the main keywords from this paragraph: 'Artificial intelligence is transforming industries from healthcare to finance, enabling automation, predictive analytics, and personalized experiences at scale.'”
Technical details
Endpoint
POSThttps://x402-ai-gateway-rosy.vercel.app/api/extract-keywordsWhen to prefer
Choose this endpoint when you need lightweight, pay-per-call keyword extraction powered by a capable LLM (Gemini 2.0 Flash) without committing to a subscription, and when you want to pay programmatically with USDC on Base or Solana via the x402 protocol.
Side effects
- Missing 'text' field returns a 400 or validation error
- Empty string input may return empty keyword list or error
- Payment not provided or insufficient USDC triggers 402 Payment Required
- Very long texts may exceed model context limits or increase latency
- Malformed JSON body causes parsing error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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