# GPT Document Summary

> GPT Document Summary is a paid API for AI agents from gpt.558686.xyz, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-02).

Summarizes a document or text input into a concise summary using GPT-based AI

## Facts

- Endpoint: GET https://gpt.558686.xyz/v1/doc/summary?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gpt-document-summary-ab7f389e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jlAdvyN7sTljBLAdP1Fzi

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 gpt-document-summary-ab7f389e
```

Example prompt: Can you summarize the following document for me? Here's the full text: [paste document text here] — I want a concise overview of the main points.

## When to prefer this

Choose this endpoint when you need a quick, AI-powered summary of a document or text passage and are willing to pay $0.50 USDC per call. Suitable for one-off summarization tasks within an agentic workflow that handles payment via the x402 protocol.

## Known failure modes

- Empty or missing input text returns an error or empty summary
- Input too long may exceed model context window and fail
- Ambiguous or poorly structured input may produce a vague or inaccurate summary
- Payment failure (x402) if USDC balance is insufficient
- Rate limiting or server unavailability may cause timeouts

## Output

Returns a concise AI-generated summary of the provided document or text input, distilling the main points, key findings, or essential information from the original content.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "Document text to summarize (required, max 600KB)"
  },
  "format": {
   "enum": [
    "structured",
    "narrative"
   ],
   "type": "string",
   "description": "Output format (default \"structured\" = JSON)"
  },
  "length": {
   "enum": [
    "short",
    "medium",
    "long"
   ],
   "type": "string",
   "description": "Summary length (default \"medium\", 300-600 words)"
  },
  "language": {
   "type": "string",
   "description": "Output language"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gpt-document-summary-ab7f389e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from gpt.558686.xyz](https://www.zero.xyz/host/gpt.558686.xyz/llms.txt)