Discover / witness.outbid.sh

witness

□ No challenge detected

Independent fact + signed receipt via x402. Free POST /quote then pay POST /witness twice for the same method ($0.02 ceiling). Base and Solana USDC.

x402
Base
Solana
USDC
Data

Challenge detected: 0 of the last 3 checks
Last checked: 16 Oct, 21:19 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://witness.outbid.sh
# 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/witness.outbid.sh

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, 21:19 UTC	No challenge detected	404	242ms
15 Oct, 14:11 UTC	No challenge detected	404	2216ms
14 Oct, 08:45 UTC	No challenge detected	404	436ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 21:19 UTC, we detected no payment challenge.

What payment terms does witness advertise?

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

Where is witness listed?

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

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