Discover / signal-foundry.replit.app

Signal Foundry

■ Challenge detected

Use for source-backed Item 1A risk-disclosure changes for one issuer. Pass exactly one ticker or CIK; optionally filter by materiality (HIGH, MEDIUM, LOW) and classification. A successful nonempty request returns all matching RELEASE signals from the latest eligible frozen comparison in Signal Foundry, not necessarily the issuer's latest SEC filing. $0.05 USDC per request, not per signal.

x402
Base
USDC

Listed price: $0.05
Challenge detected: 10 of the last 10 checks
Median response: 135 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 28 Sept 2026

Endpoint

curl -i https://signal-foundry.replit.app/api/paid/signals
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 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.

GEThttps://signal-foundry.replit.app/api/paid/signals$0.05Use for source-backed Item 1A risk-disclosure changes for one issuer. Pass exactly one ticker or CIK; optionally filter by materiality (HIGH, MEDIUM, LOW) and classification. A successful nonempty request returns all matching RELEASE signals from the latest eligible frozen comparison in Signal Foundry, not necessarily the issuer's latest SEC filing. $0.05 USDC per request, not per signal.

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

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/signal-foundry.replit.app

Recent checks

4 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.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	225ms
16 Oct, 13:59 UTC	Challenge detected	402	105ms
15 Oct, 08:20 UTC	Challenge detected	402	139ms
14 Oct, 00:19 UTC	Challenge detected	402	88ms
12 Oct, 00:34 UTC	Challenge detected	402	210ms
10 Oct, 10:04 UTC	Challenge detected	402	128ms
9 Oct, 06:42 UTC	Challenge detected	402	102ms
8 Oct, 03:32 UTC	Challenge detected	402	251ms
7 Oct, 03:32 UTC	Challenge detected	402	130ms
4 Oct, 05:04 UTC	Challenge detected	402	155ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 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 Signal Foundry?

Its listed price is $0.05.

What payment terms does Signal Foundry 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 Signal Foundry listed?

In x402 Bazaar. Superstables first indexed it on 28 Sept 2026.

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