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Forest Commerce Checkout Preflight
x402
Forest Commerce Checkout Preflight is a paid API for AI agents from http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-02).
Validates whether an isolated cart with a given product URL, variant, and quantity can reach checkout, exposing any blockers without placing an order or processing payment.
Price / call$0.005
Success—
StatusUnknown
How this service works
Check whether an isolated cart can reach checkout and expose blockers without payment. It never logs in, creates an order or finalizes checkout. Base mainnet USDC
Output
Returns whether the isolated cart can reach checkout, along with a list of any blockers (e.g. quantity limits exceeded, variant unavailable, region restrictions) preventing checkout. Does not log in, create an order, or finalize payment.
Example use cases
Pre-purchase blocker detection for agent
“Check whether this product URL https://store.example.com/items/sneakers can actually reach checkout if I add 2 of variant 'SZ-10-BLK' to a cart — I want to know about any blockers before I commit to buying.”
Quantity limit validation before bulk order
“I want to buy 50 units of variant 'BULK-WIDGET-01' from https://wholesale.example.com/product/widget — can you run a checkout preflight to confirm the provider allows that quantity before I proceed?”
Automated cart validation in shopping workflow
“As part of my shopping automation, run a preflight check on https://marketplace.example.com/product/gadget with variant 'GAD-RED-M' and quantity 1 to confirm there are no checkout blockers before triggering the next step.”
Technical details
Endpoint
POSThttps://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/checkout-preflight?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to validate checkout reachability for a specific product, variant, and quantity before committing to a purchase — especially in automated shopping agents where placing a failed order would be costly. Prefer this over a full checkout flow when you want zero side effects: no login, no order creation, no payment. Ideal for pre-purchase validation steps in agentic workflows or for surfacing checkout blockers early.
Side effects
- Invalid or unreachable product URL returns an error indicating the URL could not be resolved
- Variant ID not found on the product returns a blocker or not-found error
- Quantity exceeding provider maximum (>100) is rejected by input validation
- Provider blocks headless/bot cart creation, resulting in an indeterminate or error status
- Network timeout reaching the product URL returns a timeout error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | Public HTTP(S) URL to inspect, resolve, or compare. |
| quantity | integer | Requested item quantity to validate against provider limits. |
| variant_id | string | Public provider variant identifier to validate. |
Tags
x402
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