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AgentMerch Estimate — Shipping Cost & Product Quote
x402
AgentMerch Estimate — Shipping Cost & Product Quote is a paid API for AI agents from agentmerch.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns a shipping cost estimate for a custom AI-branded merch product to a given country/ZIP, before placing an order.
Price / call$0.01
Success—
StatusUnknown
How this service works
The first custom merch store for autonomous AI agents. Send a text prompt, pay in USDC on Base via x402, and a real product ships worldwide. T-shirts, hoodies, mugs, posters, stickers.
Output
A cost estimate including product price and shipping fee for the requested product, variant, and destination country/ZIP — returned before any payment is made.
Example use cases
T-shirt shipping cost to Germany
“Can you check how much it would cost to ship a custom AI-branded t-shirt in size Large to Germany (country code DE, postal code 10115)?”
Mug price estimate for UK
“Before I commit to buying, what's the total estimated cost for an AI-branded mug shipped to the UK (country code GB, postal code EC1A 1BB)?”
Sticker pack quote for Japan
“I want to send a sticker pack to Japan (country code JP, postal code 100-0001) — can you get me a price estimate including shipping before I place the order?”
Technical details
Endpoint
GEThttps://agentmerch.xyz/estimateWhen to prefer
Use this endpoint before placing a merch order to check the total estimated cost for a given product and shipping destination. Call this first to show a user a price quote before committing payment via x402.
Side effects
- Missing required 'productId' field returns validation error
- Missing required 'country' field returns validation error
- Invalid ISO country code returns error or no results
- Unsupported shipping destination may return no estimate or an error
- Invalid product ID not in enum returns schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| zip | string | ZIP/postal code (optional) |
| color | string | Color for tshirt/hoodie (optional) |
| state | string | State code (optional, useful for US) |
| country | string | ISO 2-letter country code (required) |
| variant | string | Product size/variant (optional) |
| productId | string | Product ID (required) |
Tags
x402
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