I couldn't find a tool that lets agents verify what they're buying. So I built it.
I built ScrapeCheck because as someone who has been in the crypto industry for over 9 years, I know how important it is for information to be public, like the blockchain. With the rise of agentic commerce, I wondered if there was a tool that bots could use to ensure that the item they're looking to purchase could be verified and I could not find it so I decided to build it. Here's what that…
Fieldmode LLC has developed a tool called ScrapeCheck, designed to help agents verify the authenticity of data they are purchasing online. The creator, a crypto industry veteran, noticed the need for such a tool as agentic commerce grows. ScrapeCheck works by independently fetching a webpage and comparing it to the data provided by the agent.
It returns a verdict of pass, fail, or unverifiable, ensuring that no assumptions are made in the verification process. Unlike other tools, ScrapeCheck does not rely on AI to generate results, and any data it cannot independently confirm is marked as unverifiable. The service is built with transparency in mind, signing every verdict with the ed25519 algorithm, which allows offline verification against a published key.
ScrapeCheck is designed to be used by agents purchasing items online, with no account or API key required. Instead, payment is made in a cryptocurrency called x402, specifically USDC on Base. The first 100 checks are free, and the service is compatible with the official registry and the Apify platform. An experiment was conducted where a small buyer agent purchased a search result from a search API and then verified the value using ScrapeCheck.
The result was a signed, offline-verifiable verdict, demonstrating that the verification loop works end-to-end. The tool is openly available, with a public stats page and a GitHub repository for those who wish to verify the results themselves.
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