Discover / signal-foundry.replit.app
Signal Foundry
■ Challenge detectedUse 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.
- Listed price
- $0.05
- Challenge detected
- 1 of the last check
- Median response
- 142 ms
- Last checked
- 14 Oct, 21:21 UTC
- In our index since
- 14 Oct 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.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/signal-foundry.replit.app
Recent checks
All 1 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 14 Oct, 21:21 UTC | Challenge detected | 402 | 142ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 14 Oct, 21:21 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 14 Oct 2026.
Something wrong on this page? Tell us.