Discover / probe402.com

probe402

Not checked

Independent health, price and history lookups for x402 and MPP endpoints. probe402 probes a fixed seed list on a clock, archives every observation immutably, and answers: alive right now? quoting what? price or schema changed? blocked, or actually dead? The grade is free; history depth is paid. Operated by a named person; not affiliated with any rail operator or graded endpoint. Method, rubric and corrections: https://probe402.com/method

x402
Base
USDC
Verification

Checks: Not checked
In our index since: 14 Oct 2026

Endpoint

curl -i https://probe402.com
# 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/probe402.com

Questions

What payment terms does probe402 advertise?

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

Where is probe402 listed?

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

Something wrong on this page? Tell us.