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GPT-5.5 Text Summarization Tool (x402)
x402
GPT-5.5 Text Summarization Tool (x402) is a paid API for AI agents from gpt55.558686.xyz, paid per call via x402, $0.00293/call, status unknown (last checked 2026-09-14).
Summarizes a block of text into a specified format (bullets, paragraph, one sentence) using GPT-5.5, paid per-call via x402 USDC on Base.
Price / call$0.00293
Success—
StatusUnknown
How this service works
Summarize short text into concise bullets, TLDR notes, or a paragraph for agents that need quick document digestion. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Output
A JSON object with a 'text' field containing the generated summary in the requested format (bullets, paragraph, or one sentence), produced by GPT-5.5.
Example use cases
Research brief generation for deal analysis
“I'm reviewing five competitor funding announcements today. Can you summarize each press release into a one-sentence takeaway so I can quickly scan what changed in the market?”
Meeting notes to action items digest
“I just finished a long standup with the product team. Here's the transcript—can you pull out the key decisions and blockers into bullet points so I can share it with stakeholders who missed the call?”
Content curation for newsletter drafts
“I've got three long-form articles queued up for next week's newsletter. Can you condense each into a short paragraph that captures the main insight so readers know what they're getting before they click?”
Technical details
Endpoint
POSThttps://gpt55.558686.xyz/v1/tools/summarizeWhen to prefer
Choose this endpoint when you need cheap, per-call text summarization without a subscription, especially in agentic pipelines that already handle x402 micropayments on Base. At $0.0025 per call it is cost-effective for moderate summarization workloads where you want GPT-5.5 quality with flexible format control (bullets, paragraph, one sentence).
Side effects
- Text input exceeds 700,000 character limit — request rejected
- max_tokens set above 4096 — validation error
- Payment not provided or insufficient USDC on Base — 402 Payment Required
- Empty text field — minLength validation error
- Temperature out of 0–2 range — validation error
- Network or upstream GPT-5.5 model timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | |
| format | string | Desired summary style, e.g. bullets, paragraph, one sentence. |
| max_tokens | integer | |
| temperature | number |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "Concise summary text."
}
}Tags
x402
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