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x402 Seller Kit: Cloudflare Worker Template for Selling Files with USDC
x402
x402 Seller Kit: Cloudflare Worker Template for Selling Files with USDC is a paid API for AI agents from x402-seller-kit.soloearn.workers.dev, paid per call via x402, $29/call, status unknown (last checked 2026-10-29).
Downloads a Cloudflare Worker template (ZIP) for selling digital files for USDC on Base using the x402 payment protocol, including D1 order tracking, one-time claim logic, and a threat model — costs $29 USDC per download.
Price / call$29
Success—
StatusUnknown
How this service works
Worker template to sell a digital file for USDC on Base: x402 402 challenge, order-code checkout, one-time claims in D1, threat model. $29 USDC.
Output
A binary ZIP file (x402-seller-kit-v1.zip) containing a complete Cloudflare Worker template for selling digital files via the x402 payment protocol, including: orders.js engine, D1 database schema, threat model documentation, directory playbook, and a smoke test suite.
Example use cases
Launch a pay-per-download product
“I've built a Cloudflare Worker and want to sell access to a ZIP file for USDC — grab me the x402 Seller Kit template so I can set up the 402 challenge, order tracking in D1, and one-time claim logic for $29.”
Implement crypto paywall for indie tool
“I'm an indie developer shipping a CLI tool and want to gate the download behind a $29 USDC payment on Base — buy me the x402 Seller Kit worker template so I have the full engine with threat model included.”
Set up monetized file delivery on Workers
“I need a Cloudflare Worker template that handles USDC checkout via x402, stores order codes in D1, and enforces one-time download claims — purchase the x402 Seller Kit for me at $29 USDC.”
Technical details
Endpoint
GEThttps://x402-seller-kit.soloearn.workers.dev/download?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a production-ready, pre-built Cloudflare Worker template for selling digital files with USDC on Base via the x402 protocol, and want one-time-claim enforcement, D1 order tracking, and a threat model included out of the box — rather than building these components from scratch.
Side effects
- Payment not provided or invalid x402 payment proof — 402 Payment Required response
- Duplicate order code reuse attempt — one-time claim already consumed, access denied
- Network or Worker availability issue — 5xx error from Cloudflare
- Malformed request headers — 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "binary",
"example": {
"filename": "x402-seller-kit-v1.zip",
"contentType": "application/zip",
"description": "Worker template, orders.js engine, D1 schema, threat model, directory playbook, smoke test"
}
}Tags
x402
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