# Forge Cascade Agent Payments - Marketplace Bundle Purchase

> Forge Cascade Agent Payments - Marketplace Bundle Purchase is a paid API for AI agents from api.relai.fi, paid per call via x402, $0.01/call, status down (last checked 2026-10-13).

Executes a payment-protected marketplace listing or bundle purchase transaction, charging $0.01 USDC per call via the x402 payment protocol.

## Facts

- Endpoint: POST https://api.relai.fi/relay/1781295889777/api/v1/marketplace/purchase?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: down
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/forge-cascade-agent-payments-marketplace-bundle-purchase-eedc816a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fugkKbhkZJA7dIP9KRjj8

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 forge-cascade-agent-payments-marketplace-bundle-purchase-eedc816a -d '<json body>'
```

Example prompt: Purchase the bundle listing on Forge Cascade's marketplace for me — go ahead and submit the payment-protected buy order now.

## When to prefer this

Use this endpoint when an AI agent needs to programmatically execute a purchase of a marketplace listing or bundle on the Forge Cascade platform, particularly in automated agent workflows where payment is handled via the x402 micro-payment protocol at $0.01 USDC per call.

## Known failure modes

- Insufficient payment or failed x402 payment authorization returns a payment error
- Invalid or expired listing ID returns a 404 or item-not-found error
- Bundle out of stock or already purchased returns an unavailability error
- Malformed request body returns a 400 validation error
- Authentication or authorization failure returns a 401/403 error

## How this service works

Payment-protected marketplace listing and bundle purchase endpoint.

## Output

Returns a purchase confirmation or transaction receipt indicating the outcome of the marketplace bundle purchase, including order status and details of the acquired listing or bundle.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/forge-cascade-agent-payments-marketplace-bundle-purchase-eedc816a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.relai.fi](https://www.zero.xyz/host/api.relai.fi/llms.txt)