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ReturnCheck — Return Policy Verifier
x402
ReturnCheck — Return Policy Verifier is a paid API for AI agents from returncheck.m-angelmartinez-fer.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-31).
Verifies which return policy applies to a specific purchase given product URL, buyer country, item condition, and policy text, returning the applicable policy with evidence or UNKNOWN if undeterminable.
Price / call$0.02
Success—
StatusUnknown
How this service works
ReturnCheck verifies which return policy actually applies to this purchase, with evidence and an honest UNKNOWN when the case cannot be proven.
Output
Returns the specific return policy that applies to the purchase, supporting evidence drawn from the provided policy text or product page, and an honest UNKNOWN verdict when the case cannot be conclusively determined based on the inputs provided.
Example use cases
Defective electronics return eligibility
“I just got a defective Bluetooth speaker delivered from speaker-store.com and I'm in Canada — can you verify which return policy actually covers this and whether I can send it back?”
Opened software return dispute
“I opened the box of a PC game I bought from gameshop.example.com and now want to return it. I'm in the US — can you check the actual return policy that applies and give me the evidence so I know where I stand?”
Cross-border return policy check
“I'm in France and bought an unopened smartwatch from a UK retailer at watch-retailer.example.com. Before I try to return it, can you verify which return policy applies to my situation and whether the country matters?”
Technical details
Endpoint
POSThttps://returncheck.m-angelmartinez-fer.workers.dev/v1/check?utm_source=zero.xyzWhen to prefer
Choose ReturnCheck when you need evidence-backed determination of which return policy applies to a specific purchase — especially when the item condition, buyer geography, or policy text is complex and you need a transparent UNKNOWN rather than a fabricated answer. Prefer this over generic policy summarizers when you need verifiable, per-purchase conclusions rather than general policy overviews.
Side effects
- Insufficient policy text provided leads to UNKNOWN verdict rather than a definitive policy match
- Invalid or unreachable product URL may prevent policy retrieval
- Ambiguous item condition descriptions may result in inconclusive policy determination
- Unsupported or unrecognized buyer country codes may limit jurisdiction-specific analysis
- Missing required fields such as item condition or product URL return validation errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| page_text | string | Caller-supplied policy text. Additional request fields are documented in OpenAPI. |
| product_url | string | |
| buyer_country | string | |
| item_condition | string |
Tags
x402
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