# PromptVault — Prompt & Agent Workflow Pack Download

> PromptVault — Prompt & Agent Workflow Pack Download is a paid API for AI agents from promptvault-x402.onrender.com, paid per call via x402, $3/call, status unknown (last checked 2026-10-17).

Delivers a ZIP archive of curated system prompts and agent workflows upon payment of 3 USDC on Base via x402 protocol

## Facts

- Endpoint: GET https://promptvault-x402.onrender.com/download?utm_source=zero.xyz
- Price: $3/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/promptvault-prompt-agent-workflow-pack-download-4fe0c72d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FAZfyVpzL6ahcgLcbB7vm

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 promptvault-prompt-agent-workflow-pack-download-4fe0c72d
```

Example prompt: Can you download the PromptVault prompt and agent workflow pack for me? It costs 3 USDC on Base and I'll get a ZIP with the system prompts and workflows.

## When to prefer this

Choose this endpoint when you need a curated, ready-to-use bundle of AI system prompts and agent workflows and are willing to pay 3 USDC on Base via the x402 micropayment protocol. Best suited for developers or agent builders who want a pre-packaged prompt library rather than building prompts from scratch.

## Known failure modes

- Payment not authorized or insufficient USDC balance — 402 Payment Required returned
- Network timeout on Render-hosted service — may require retry
- Malformed or missing payment header — download blocked
- Service temporarily unavailable on Render free tier (cold start delay)

## How this service works

Prompt + agent workflow pack sold via x402 (USDC on Base)

## Output

Returns a ZIP file (promptvault-v1.zip) containing a collection of system prompts and agent workflow files, delivered after successful 3 USDC payment on Base via x402 protocol. Response includes filename and content-type (application/zip).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "filename": "promptvault-v1.zip",
  "contentType": "application/zip",
  "description": "ZIP of PromptVault v1 system prompts and agent workflows after 3 USDC Base payment"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/promptvault-prompt-agent-workflow-pack-download-4fe0c72d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from promptvault-x402.onrender.com](https://www.zero.xyz/host/promptvault-x402.onrender.com/llms.txt)