Discover / offercheck.offercheck.workers.dev
offercheck
■ Challenge detectedVerify the live price and availability of a product at a URL before you buy or quote it. Fetches the page now, extracts price/currency/availability from JSON-LD, Shopify JSON, OpenGraph or microdata, and returns evidence (method, snippet, content hash, fetch time) plus a confidence score. $0.01 per check.
- Listed price
- $0.01
- Challenge detected
- 1 of the last check
- Median response
- 586 ms
- Last checked
- 15 Oct, 00:26 UTC
- In our index since
- 14 Oct 2026
Endpoint
curl -i https://offercheck.offercheck.workers.dev/v1/verify/offer # 402 Payment Required: pay with an x402 client (USDC on Base), # then send the same request again with the payment attached.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/offercheck.offercheck.workers.dev
Recent checks
All 1 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 15 Oct, 00:26 UTC | Challenge detected | 402 | 586ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 15 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.
What price is recorded for offercheck?
Its listed price is $0.01.
What payment terms does offercheck advertise?
The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is offercheck listed?
In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.
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