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Tollkit Summarize
x402
Tollkit Summarize is a paid API for AI agents from attest.tollkit.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-10).
Summarizes a block of text into a concise output with a configurable word limit, billed per call via x402 micropayment in USDC.
Price / call$0.005
Success—
StatusUnknown
How this service works
Pay-per-call product page extraction. No account, no API key: pay in-band with x402 in USDC on Base or Solana.
Output
A short summary of the submitted text, constrained to the requested word count (default 60, max 250). The endpoint refuses input above 8,000 characters rather than silently truncating it.
Example use cases
Quick article TL;DR for research
“Here's the full text of this 3,000-word blog post — can you summarize it in under 60 words so I can decide if it's worth reading in full?”
Product description condensing for listings
“Take this long product description and condense it to a tight 100-word version I can use in an email campaign.”
Summarizing scraped page content
“I just scraped the text from this press release — summarize it in under 80 words, hitting only the key points.”
Technical details
Endpoint
POSThttps://attest.tollkit.dev/summarize?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, cheap, per-call text summarization with no account registration or API key setup. Ideal for agents making occasional or sporadic summarization calls where signing up for a subscription service is overkill. The x402 micropayment model ($0.005 USDC) means you only pay for what you use. Not suited for inputs above 8,000 characters or for batch-heavy pipelines where per-call cost adds up.
Side effects
- Input text exceeds 8,000 characters — endpoint returns an error/refusal rather than truncating
- max_words value above 250 is clamped silently to 250
- Payment failure via x402 — call is rejected if USDC micropayment is not settled
- Malformed JSON body returns a 4xx error
- Empty or missing text field returns an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Text to summarize. Refused above 8,000 characters rather than truncated. |
| max_words | integer | Clamped to 250. |
Tags
x402
Reviews
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