Discover / agents.dubbleblack.com

DubbleBlack

□ No challenge detected

Canonical paid interface backed by Evidence Engine V2. Submit a natural-language query; vertical is an optional routing hint. Explicit two-subject text comparisons return independently attributed evidence, coverage, provenance, limitations, and per-subject scores, with no winner or aggregate comparison score. A one-element brands array is accepted for single-subject compatibility. budget_min, budget_max, and include_insufficient_evidence are rejected; ambiguous multi-selector requests are reject

MPP
x402
Base
Tempo
USDC

Listed price: $0.1
Challenge detected: 0 of the last check
Last checked: 15 Oct, 00:26 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://agents.dubbleblack.com/api/agent/evidence
# 402 Payment Required: pay with a MPP client, then send the request again.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/agents.dubbleblack.com

Recent checks

15 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.15 Oct 2026

All 1 checks

When (UTC)	Result	HTTP	Response
15 Oct, 00:26 UTC	No challenge detected	405	412ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 15 Oct, 00:26 UTC, we detected no payment challenge.

What price is recorded for DubbleBlack?

Its listed price is $0.1.

What payment terms does DubbleBlack advertise?

The listing advertises MPP, x402, Base, Tempo and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is DubbleBlack listed?

In mppscan and x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

Something wrong on this page? Tell us.