Discover / agent-sign-guard-main-production.up.railway.app

agent-sign-guard-main-production.up.railway.app

□ No challenge detected

Deterministic pre-sign risk screening for unsigned Base EVM transactions. Detects ERC20 transfers, token approvals, unlimited approvals, setApprovalForAll, malformed calldata and OFAC SDN and configured address matches. Returns machine-readable ALLOW, REVIEW or BLOCK.

Listed price
$0.01
Challenge detected
0 of the last check
Last checked
14 Oct, 22:06 UTC
In our index since
14 Oct 2026

Endpoint

curl -i https://agent-sign-guard-main-production.up.railway.app/risk-check
# 402 Payment Required: pay with an x402 client (USDC on Base Sepolia),
# 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/agent-sign-guard-main-production.up.railway.app

Recent checks

14 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.14 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
14 Oct, 22:06 UTCNo challenge detected404271ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 14 Oct, 22:06 UTC, we detected no payment challenge.

What price is recorded for agent-sign-guard-main-production.up.railway.app?

Its listed price is $0.01.

What payment terms does agent-sign-guard-main-production.up.railway.app advertise?

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

Where is agent-sign-guard-main-production.up.railway.app listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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