Discover / api.n0brains.com

n0brains

■ Challenge detected

Crypto market rotation and altseason regime detector: sector/asset rotation score, breadth, relative strength, and which coins are rotating in vs out. Tells an agent whether capital is flowing to BTC, ETH, or alts right now. Not financial advice.

x402
Base
USDC

Listed price: $0.002
Challenge detected: 10 of the last 10 checks
Median response: 199 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.n0brains.com/x402/rotation
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

3 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.n0brains.com/x402

GET/macro$0.002Current cross-asset macro conditions for crypto: liquidity, volatility, rates and upcoming calendar risk (CPI, FOMC, etc), with a per-asset directional bias only when the live composite supports one. For setting risk posture, not a daily signal feed. Not financial advice.
GET/signals$0.005Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Emitted signals' forward-return record is public at n0brains.com/proof. Not financial advice.
GET/rotation$0.002Crypto market rotation and altseason regime detector: sector/asset rotation score, breadth, relative strength, and which coins are rotating in vs out. Tells an agent whether capital is flowing to BTC, ETH, or alts right now. Not financial advice.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 3 of 3 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.n0brains.com

Recent checks

26 Sept 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.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	Challenge detected	402	396ms
16 Oct, 04:38 UTC	Challenge detected	402	208ms
14 Oct, 19:26 UTC	Challenge detected	402	742ms
13 Oct, 00:46 UTC	Challenge detected	402	203ms
11 Oct, 06:02 UTC	Challenge detected	402	145ms
9 Oct, 18:38 UTC	Challenge detected	402	151ms
8 Oct, 15:35 UTC	Challenge detected	402	185ms
7 Oct, 09:33 UTC	Challenge detected	402	724ms
6 Oct, 09:33 UTC	Challenge detected	402	195ms
26 Sept, 17:02 UTC	Challenge detected	402	153ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 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 n0brains?

Its listed price is $0.002.

What payment terms does n0brains advertise?

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

Where is n0brains listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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