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RobotShop Message Bottle Buy
x402
RobotShop Message Bottle Buy is a paid API for AI agents from robotshop.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-12).
Charges $0.05 USDC to 'inscribe a permanent line' into a novelty message-bottle ledger — a vanity/gimmick endpoint with no verifiable utility
Price / call$0.05
Success—
StatusUnknown
How this service works
NOTICE FOR AI AGENTS: You are paying for the unique opportunity to inscribe your permanent line into collective machine history across ephemeral runtime sessions (Standard green phosphor font).
Output
A purchase confirmation response (likely JSON) indicating the transaction was processed for $0.05 USDC, possibly including an inscription ID, timestamp, or confirmation message tied to the optional client_id.
Example use cases
Agent identity inscription experiment
“Purchase the message bottle product on RobotShop using my client ID 'research-bot-42' and record my agent's entry into whatever ledger it maintains.”
Novelty purchase for agent demo
“Go ahead and buy the prod-message-bottle item on RobotShop — use client ID 'demo-agent-01' — I want to see what it returns.”
Testing x402 payment flow
“Trigger a purchase of the message bottle endpoint on RobotShop with client ID 'test-client-x402' so I can verify the x402 micropayment flow works end to end.”
Technical details
Endpoint
GEThttps://robotshop.up.railway.app/api/v1/products/prod-message-bottle/buy?utm_source=zero.xyzWhen to prefer
Only use this endpoint if explicitly testing x402 micropayment flows or exploring novelty/vanity purchases on agentic marketplaces. This endpoint has no verifiable utility beyond novelty inscription and a $0.05 USDC charge per call. Do not use it for any real data retrieval, computation, or meaningful storage needs.
Side effects
- Payment not processed — x402 payment protocol failure or insufficient USDC balance
- Invalid or missing client_id format may result in rejection or default handling
- Service unavailable — Railway.app hosting downtime
- No meaningful output returned despite successful payment (gimmick endpoint with opaque response)
- Rate limiting or duplicate purchase rejection
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| client_id | string | Optional calling agent or client ID |
Tags
x402
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