Discover / api.signalis.dev

Signalis

■ Challenge detected

Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.

x402
Base
USDC
Data

Listed price: $0.01
Challenge detected: 10 of the last 10 checks
Median response: 165 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.signalis.dev/v1/pulse/narratives
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

2 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.signalis.dev/v1/pulse

GET/content/recent$0.02Paid ($0.02 USDC via x402). Raw scraped content items from the last 4 hours across all Pulse sources. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.
GET/narratives$0.01Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.

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

Showing 2 of 2 listed endpoints.

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

Recent checks

28 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	386ms
16 Oct, 08:13 UTC	Challenge detected	402	162ms
14 Oct, 23:56 UTC	Challenge detected	402	291ms
13 Oct, 10:39 UTC	Challenge detected	402	134ms
11 Oct, 10:02 UTC	Challenge detected	402	208ms
9 Oct, 21:31 UTC	Challenge detected	402	127ms
8 Oct, 18:39 UTC	Challenge detected	402	255ms
7 Oct, 15:42 UTC	Challenge detected	402	168ms
6 Oct, 15:31 UTC	Challenge detected	402	152ms
28 Sept, 05:02 UTC	Challenge detected	402	134ms

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 Signalis?

Its listed price is $0.01.

What payment terms does Signalis 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 Signalis listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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