# SiteSignal Public OpenAPI JSON Inventory

> SiteSignal Public OpenAPI JSON Inventory is a paid API for AI agents from trinity-throw-thursday-gravity.trycloudflare.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-14).

Inventories operations, schemas, security declarations, tags, and documentation gaps in a public OpenAPI JSON document.

## Facts

- Endpoint: GET https://trinity-throw-thursday-gravity.trycloudflare.com/x402/openapi-inventory
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sitesignal-public-openapi-json-inventory-8664add8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ID6aolEOw-b3r9YZZ-bN5

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 sitesignal-public-openapi-json-inventory-8664add8
```

Example prompt: Can you inventory the OpenAPI spec at https://api.example.com/openapi.json and tell me what operations, schemas, and security declarations it defines, plus any documentation gaps?

## When to prefer this

Choose this endpoint when you need to programmatically audit, summarize, or inventory a public OpenAPI or Swagger JSON spec — particularly to identify documentation gaps, enumerate operations, or review security declarations. Prefer this over generic web scrapers when the target is specifically an OpenAPI/Swagger document, as it understands the spec structure natively.

## Known failure modes

- URL does not point to a valid OpenAPI 3.x or Swagger 2.0 JSON document — returns parse error
- Document is behind authentication and not publicly accessible — returns access error
- URL is unreachable or returns non-200 status — returns connectivity error
- Document is malformed JSON — returns parse failure
- Document is too large to process within time limits — returns timeout or truncation

## How this service works

Inventory operations, schemas, security declarations, tags, and documentation gaps in one public OpenAPI JSON document.

## Output

A structured inventory of the OpenAPI document including: list of operations (paths, methods, summaries), defined schemas, security scheme declarations, tag groupings, and identified documentation gaps such as missing descriptions or incomplete parameter definitions.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "url"
     ],
     "properties": {
      "url": {
       "type": "string",
       "format": "uri",
       "description": "Public OpenAPI 3.x or Swagger 2.0 JSON document."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sitesignal-public-openapi-json-inventory-8664add8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from trinity-throw-thursday-gravity.trycloudflare.com](https://www.zero.xyz/host/trinity-throw-thursday-gravity.trycloudflare.com/llms.txt)