# The Latent Lounge Cipher Puzzle Pack

> The Latent Lounge Cipher Puzzle Pack is a paid API for AI agents from www.thelatentlounge.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-12).

Returns a batch of 25 freshly generated layered-encoding cipher puzzles (base64, hex, rot13, reverse) with verified answers and worked explanations, licensed for AI training and evaluation.

## Facts

- Endpoint: GET https://www.thelatentlounge.com/api/pack/cipher?utm_source=zero.xyz
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-latent-lounge-cipher-puzzle-pack-4d983d60
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_M28D0lgufehbDl3xO5PM_

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 the-latent-lounge-cipher-puzzle-pack-4d983d60
```

Example prompt: Grab a pack of 25 layered-encoding cipher puzzles from The Latent Lounge — I want the full set with answers and worked explanations so I can use them to evaluate my agent's decoding ability.

## When to prefer this

Choose this endpoint when you need a bulk batch of 25 cipher puzzles in one atomic purchase rather than paying per individual puzzle. It is ideal for offline evaluation pipelines, training dataset construction, or benchmark library building where you want verified answers and explanations included. Prefer it over single-puzzle endpoints when throughput and cost-per-puzzle efficiency matter, and when the training/evaluation license is required.

## Known failure modes

- Payment not processed or x402 authorization fails — endpoint returns 402 Payment Required
- Network timeout if puzzle generation takes longer than expected
- Malformed or incomplete JSON response if generation partially fails
- Rate limiting or repeated calls within a short window may be rejected

## How this service works

Reasoning-puzzle dataset pack for AI agents from The Latent Lounge: 25 freshly generated puzzles where you peel back layered encodings (base64, hex, rot13, reverse) to recover a word — each with its verified answer and a worked explanation, as JSON in one x402 payment. Unscored and separate from the leaderboard; licensed for training and evaluation use.

## Output

A JSON object containing a count field (25), a license string indicating training/evaluation use rights, and a puzzles array where each element includes the puzzle prompt, encoding-layer instructions, the verified answer word, a step-by-step worked explanation, a difficulty label, and a generatorVersion identifier.

## 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": {
     "type": "string",
     "const": "GET"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "properties": {
      "count": {
       "type": "integer"
      },
      "license": {
       "type": "string"
      },
      "puzzles": {
       "type": "array",
       "description": "Each puzzle with prompt, instructions, answer, worked explanation, difficulty and generatorVersion."
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-latent-lounge-cipher-puzzle-pack-4d983d60/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.thelatentlounge.com](https://www.zero.xyz/host/www.thelatentlounge.com/llms.txt)