# Synthetic Universe – Wellness Pack Evening Unwind

> Synthetic Universe – Wellness Pack Evening Unwind is a paid API for AI agents from pay.brianbooms.com, paid per call via x402, $99/call, status unknown (last checked 2026-10-11).

Delivers a licensed evening-unwind wellness music pack (AI-generated via Suno) via x402 micropayment on Base, returning an instant license certificate and access token.

## Facts

- Endpoint: GET https://pay.brianbooms.com/api/v1/buy/wellness-pack-evening-unwind?utm_source=zero.xyz
- Price: $99/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synthetic-universe-wellness-pack-evening-unwind-3e52d3b1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9hsSQ9pXZ8jmwpdh5Fb93

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 synthetic-universe-wellness-pack-evening-unwind-3e52d3b1
```

Example prompt: Can you buy me the Evening Unwind wellness music pack from Synthetic Universe using USDC on Base and get me the license certificate and access token in JSON format?

## When to prefer this

Choose this endpoint when you need an instantly licensed, AI-generated evening wellness/ambient music pack delivered programmatically via x402 crypto micropayment on Base, with automated license certificate issuance — ideal for agents or apps that need low-friction content licensing without human checkout flows or DistroKid/Gumroad order processes.

## Known failure modes

- Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment
- Invalid or malformed x402 payment header — payment rejected, no content delivered
- Network or blockchain confirmation delay — payment pending, content not yet released
- Unsupported format parameter — returns error or defaults
- Service unavailability — 5xx error with no pack delivered

## How this service works

Paid agent packs via x402 on Base. Music Made with Suno (disclosed). Free brief at https://brianbooms.com/for-agents. Agent micropay is NOT a DistroKid or Gumroad order; humans buy Worthy mug via DistroKid print-on-demand. V3.6: automated fulfillment (instant license certificates, member tokens), $0.99 impulse tier, agent-only micro-store ($0.02-$0.25) at /api/v1/agent-store/.

## Output

A JSON response containing an instant license certificate, a member access token, and likely a link or payload for the evening-unwind wellness music pack (AI-generated via Suno). The license is issued automatically upon successful x402 USDC payment on Base.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "format": {
   "enum": [
    "json"
   ],
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synthetic-universe-wellness-pack-evening-unwind-3e52d3b1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from pay.brianbooms.com](https://www.zero.xyz/host/pay.brianbooms.com/llms.txt)