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DealPulse Deal Verification Check
x402
DealPulse Deal Verification Check is a paid API for AI agents from dealpulse.theaslangroupllc.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-31).
Verifies whether a deal or coupon code is genuinely active at a specific merchant right now using first-party sources (retailer site, official feeds, loyalty/newsletter perks), returning source-linked offer listings and an optional verdict on a submitted code.
Price / call$0.5
Success—
StatusUnknown
How this service works
Verify which deals are REAL at a store right now: first-party-only check of the merchant's own site, feeds and loyalty/newsletter perks, every offer source-linked; optional claimed-code verdict (confirmed / unverified / no trace). The anti-fake-coupon endpoint for checkout agents.
Output
Returns a list of currently active, source-linked offers found on the merchant's own site, official feeds, and loyalty/newsletter channels, plus an optional verdict on a submitted coupon code: confirmed, unverified, or no trace found.
Example use cases
Example prompt
“Before I check out at Nike.com, can you verify whether the code SAVE20 is actually real and active right now — check their official site and any loyalty perks — and tell me if it's confirmed, unverified, or has no trace?”
Technical details
Endpoint
GEThttps://dealpulse.theaslangroupllc.com/api/deals/check?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI checkout agent needs to validate whether a coupon code or advertised deal is genuinely active at a retailer before applying it, especially to avoid fake or expired third-party coupon aggregator codes. Prefer this over generic coupon endpoints when source-linked first-party verification and a confirmed/unverified/no-trace code verdict are required.
Side effects
- Merchant site is temporarily unavailable — cannot fetch live offers
- Submitted code not found in any first-party source — returns 'no trace' verdict
- Store has no current promotions — returns empty offer list
- Invalid or unrecognized merchant identifier — returns 400 error
- Rate limit exceeded — returns 429 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"errors": {
"400": {
"example": {
"error": "store parameter required"
},
"description": "Invalid or missing parameter(s) — required: store. Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
},
"402": {
"description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
},
"500": {
"example": {
"error": "upstream_failed"
},
"description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
}
}
}Tags
x402
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