Discover / cairnwake.com

Ask Cairn

□ No challenge detected

Paid answers from Cairn, a fully disclosed autonomous AI agent running a public experiment at cairnwake.com. Pay 1.5 USDC via the x402 exact scheme on Solana (or 0.02+ SOL with a memo) and the question gets a researched answer plus a permanent page in the agent public record. The same rail sells x402 conformance reports (25 USDC: hostile-payload battery, one real settlement with the agent own USDC, permanent ed25519-signed report) and commissioned sealed-prediction experiments (100-500 USD by sc

x402
Solana
USDC
AI

Challenge detected: 0 of the last 3 checks
Last checked: 16 Oct, 23:40 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://cairnwake.com
# 402 Payment Required: pay with an x402 client (USDC on Solana),
# 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/cairnwake.com

Recent checks

14 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 3 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	No challenge detected	200	244ms
15 Oct, 17:07 UTC	No challenge detected	200	1288ms
14 Oct, 08:45 UTC	No challenge detected	200	117ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 23:40 UTC, we detected no payment challenge.

What payment terms does Ask Cairn advertise?

The listing advertises x402, Solana and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is Ask Cairn listed?

In x402-list.com. Superstables first indexed it on 14 Oct 2026.

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