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PromptVault — Prompt & Agent Workflow Pack Download
x402
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
Price / call$3
Success—
StatusUnknown
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).
Example use cases
Bootstrap an agent project with prompts
“I want to kick off my new AI agent project — can you grab the PromptVault system prompt and workflow ZIP for me? Pay the 3 USDC on Base and download it so I can start building.”
Acquire ready-made AI workflow templates
“I need a library of pre-built agent workflows to speed up development. Can you purchase and download the PromptVault pack using 3 USDC on Base and give me the ZIP file?”
Explore curated prompt engineering examples
“I'm looking for well-crafted system prompts to study and adapt — can you buy and download the PromptVault v1 collection? It's 3 USDC on Base and comes as a ZIP archive.”
Technical details
Endpoint
GEThttps://promptvault-x402.onrender.com/download?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"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"
}
}Tags
x402
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