Discover / library.intel.rallylive.ca
free-books-1820s
■ Challenge detectedFree books first published in the 1820s: public-domain works dated 1820-1829 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
- Listed price
- $0.01
- Challenge detected
- 1 of the last check
- Median response
- 1382 ms
- Last checked
- 14 Oct, 22:06 UTC
- In our index since
- 14 Oct 2026
Endpoint
curl -i https://library.intel.rallylive.ca/library/books/1820s # 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/library.intel.rallylive.ca
Recent checks
All 1 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 14 Oct, 22:06 UTC | Challenge detected | 402 | 1382ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 14 Oct, 22:06 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 free-books-1820s?
Its listed price is $0.01.
What payment terms does free-books-1820s advertise?
The listing advertises x402, Base, Base Sepolia and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is free-books-1820s listed?
In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.
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