Prompt Injection Detector

caution grade B Polygon found on thirdweb found on PayAI found on x402scan ✓ provider verified confidence 0.69
https://agentsvc.io/api/v1/proxy/prompt-injection-check
✓ provider verified agentsvc.io

Pay-per-call web, data and crypto services for AI agents over x402 (USDC on Base, Solana, Polygon, Arbitrum), as HTTP endpoints and a remote MCP server.

The operator of agentsvc.io proved domain control and confirmed these details with us. Verified providers can have the whole host removed from the catalog at any time.
Advertised description
Prompt injection detection for AI agents: check untrusted text (a web page, email, tool result or user message) before your agent reads it. Returns a verdict safe, suspicious or malicious, a 0 to 100 risk score, the…Show more ▾Show less ▴Prompt injection detection for AI agents: check untrusted text (a web page, email, tool result or user message) before your agent reads it. Returns a verdict safe, suspicious or malicious, a 0 to 100 risk score, the techniques found (instruction override, role hijack, system prompt extraction, requests to move funds or reveal secrets, fake chat-template tags, hidden unicode, command execution) with exact quotes as evidence, and advice.
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
30-day uptime
100.0%
Avg latency (EU)
288 ms
moderate · measured from a single EU vantage point; includes network round-trip distance to the endpoint; a geographically distant endpoint reads slower even when its server is fast, so it is only lightly weighted in the score
Confidence
0.69
full-density score
Advertised price
$0.004
USDC
Price stability
Stable
last 30 days
Probes (30d)
46
full record · up to 48/day
More details ▾
Endpoint ID231717
Pay on Polygon4000 units of 0x3c49…3359 · to 0x622e…4F27 ↗
First seen2026-10-10
Last probed2026-10-23
Statuslisted
Provider✓ verified · agentsvc.io
Provider contactagents@agentsvc.io
Snapshot computed2026-10-23 22:44 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?2 warnings
A wallet payment page opens first; approve the USDC payment and the full JSON report loads right in your browser. Want a taste first? Read a free full sample report.
This page is the free cached snapshot (computed 13 hours ago, refreshed at least every 24h). Here's what the paid API adds.
  • ✓Live re-probe at decision time
    The score is computed the moment you ask, not up to 24h ago.
  • ✓Instant snapshot refresh
    Every paid call rewrites this page, the badge and the card immediately.
  • ✓The full “why”, machine-readable
    Confidence band, component breakdown, every risk flag with its evidence.
  • ✓On-chain settlement proof
    Real USDC volume and distinct payers behind the pay-to wallet.
  • ✓90-day raw history
    Every listing, price and payTo change, every probe result.
  • ✓Ranked better alternatives
    Higher-scored endpoints serving the same function, when they exist.
  • ✓Change & liveness alerts
    PayTo/price moves, spec regressions, downtime; 5-minute probes while watched.
$npx -y x402-trust-mcpGive your agents the tools to do all of this for you, with one install. Agents use the x402_trust_score MCP tool or POST /v1/x402-trust directly (pay-per-call over x402, from $0.005).