Discover / x402.fiasignals.com
Fia Signals
□ No challenge detectedx402 crypto market-intelligence and token-risk API for autonomous agents, led by a delivery-verified /fear-greed checkout route on Base USDC.
- Challenge detected
- 1 of the last 9 checks
- Median response
- 1021 ms
- Last checked
- 16 Oct, 23:40 UTC
- In our index since
- 26 Sept 2026
Endpoint
curl -i https://x402.fiasignals.com # 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/x402.fiasignals.com
Recent checks
30 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.16 Oct 2026
All 9 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 16 Oct, 23:40 UTC | No challenge detected | 530 | 125ms |
| 15 Oct, 17:07 UTC | No challenge detected | 530 | 385ms |
| 14 Oct, 08:45 UTC | No challenge detected | 530 | 67ms |
| 12 Oct, 00:34 UTC | No challenge detected | 530 | 48ms |
| 10 Oct, 10:04 UTC | No challenge detected | 530 | 71ms |
| 9 Oct, 03:33 UTC | No challenge detected | 530 | 68ms |
| 7 Oct, 21:31 UTC | No challenge detected | 530 | 87ms |
| 6 Oct, 18:37 UTC | No challenge detected | 530 | 82ms |
| 30 Sept, 17:04 UTC | Challenge detected | 402 | 1021ms |
Questions
Did our last probe detect a payment challenge?
No. At our last probe on 16 Oct, 23:40 UTC, we detected no payment challenge.
What payment terms does Fia Signals advertise?
The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.
Where is Fia Signals listed?
In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.
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