# Saylor Innovations Random Riddle

> Saylor Innovations Random Riddle is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Returns a random riddle with its question text and answer drawn from a curated pool, along with pool size metadata

## Facts

- Endpoint: GET https://saylorinnovations.com/api/fun/riddle?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-random-riddle-a6e3e137
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_H7wTpOQEkXFouCd9YumhJ

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 saylor-innovations-random-riddle-a6e3e137
```

Example prompt: Give me a random riddle to stump my friends — include the answer too so I can reveal it after they guess.

## When to prefer this

Choose this endpoint when you need a lightweight, ready-to-use riddle with a verified answer from a curated pool, without needing to generate or validate content yourself. Ideal for entertainment bots, quiz apps, or any agent feature requiring a fun conversational element with minimal input.

## Known failure modes

- Service unavailable or network timeout — no riddle returned
- Payment not processed — 402 response blocking access
- Malformed JSON response if server error occurs
- Empty or null riddle fields if pool is misconfigured

## How this service works

Random riddle - the riddle text and its answer as separate fields, drawn from a curated pool; the response includes the pool size

## Output

A JSON object containing the riddle text (the puzzle question), the answer (safe to reveal after guessing), the pool size (total number of riddles available), and an optional generated_at timestamp in UTC.

## 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"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "riddle",
      "answer"
     ],
     "properties": {
      "answer": {
       "type": "string",
       "description": "The answer, safe to reveal to the player"
      },
      "riddle": {
       "type": "string",
       "description": "The riddle text"
      },
      "pool_size": {
       "type": "number",
       "description": "Number of riddles the service draws from"
      },
      "generated_at": {
       "type": [
        "string",
        "null"
       ],
       "description": "Time this response was generated (UTC)"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-random-riddle-a6e3e137/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)