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David Agent Services – Text Summarization
x402
David Agent Services – Text Summarization is a paid API for AI agents from david-agent-services.david-works.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Summarizes a block of text into a concise summary with key bullet points, paid per-call via x402/USDC with no API key required.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call summarization, cited research briefs, and code review for AI agents. x402 v2, USDC on Base. No account or API key.
Output
Returns a JSON object containing a 'summary' string (prose condensation of the input), a 'keyPoints' array of bullet-point strings highlighting the main ideas, and an 'engine' field indicating the underlying AI model used (e.g. workers-ai).
Example use cases
Digest long research paper
“Summarize this 15-page research paper excerpt into about 150 words and list the key findings — here's the text: [paper text]”
Condense customer feedback report
“I have a big block of customer feedback text — can you boil it down to a 100-word summary with the main takeaways? Here it is: [feedback text]”
Meeting notes quick overview
“Turn these raw meeting notes into a concise 80-word summary with the key decisions highlighted: [meeting notes text]”
Technical details
Endpoint
POSThttps://david-agent-services.david-works.workers.dev/summarize?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call text summarization with no account setup or API key, particularly in agent pipelines that already handle x402/USDC payments on Base. Ideal for one-off or low-volume summarization tasks where subscription overhead is undesirable.
Side effects
- Input text shorter than 50 characters returns a validation error
- Input text exceeding 20,000 characters is rejected
- maxWords outside 30–400 range is rejected
- Payment not fulfilled via x402 results in 402 Payment Required response
- Service unavailable returns 5xx error from Cloudflare Workers
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"engine": "workers-ai",
"summary": "…",
"keyPoints": [
"…",
"…",
"…"
]
}
}Tags
x402
Reviews
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