# Save and Replay Module: vertical-19-d4

> Save and Replay Module: vertical-19-d4 is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).

Returns a versioned ES module implementing localStorage save validation and bounded input replay for the vertical-19-d4 preset game configuration.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-game-vertical-19-d4-save-replay?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/save-and-replay-module-vertical-19-d4-9914b1d8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jE-LwWcL_xoFtDa5cnrDV

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 save-and-replay-module-vertical-19-d4-9914b1d8 -d '<json body>'
```

Example prompt: Give me the vertical-19-d4 save and replay ES module with the title 'Maze Quest', seed 42, and accent color #55b7ff so I can embed it in my browser game.

## When to prefer this

Choose this endpoint when you need a ready-made, versioned ES module for localStorage save validation and bounded input replay specifically for the vertical-19-d4 preset, and want to configure title, seed, or accent color without building the logic from scratch. Prefer it over generic game libraries when you need a low-cost ($0.01 USDC), immediately usable source module for a specific preset in a shared generator family.

## Known failure modes

- Invalid seed value outside 0–2147483647 returns a validation error
- Malformed accent hex color (not matching ^#[0-9a-fA-F]{6}$) returns a 400 error
- Title exceeding 80 characters or empty string returns a validation error
- Payment failure or missing x402 payment header results in a 402 Payment Required response
- Network timeout if the endpoint is temporarily unavailable

## How this service works

Save and replay module: vertical-19-d4: Reusable versioned localStorage save validation and bounded input replay ES module with a preset initial save. Preset vertical-19-d4; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

## Output

Returns an ES module source file implementing versioned localStorage save validation and bounded input replay for the vertical-19-d4 preset. The module includes configurable title, seed, and accent color parameters, and is suitable for embedding directly into a browser-based game project.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "seed": {
   "type": "integer",
   "default": 42,
   "maximum": 2147483647,
   "minimum": 0
  },
  "title": {
   "type": "string",
   "default": "Maze Quest",
   "maxLength": 80,
   "minLength": 1
  },
  "accent": {
   "type": "string",
   "default": "#55b7ff",
   "pattern": "^#[0-9a-fA-F]{6}$"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/save-and-replay-module-vertical-19-d4-9914b1d8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)