the402 endpoint detail

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guard.x402tools.xyz screen

https://guard.x402tools.xyz/screen

answers 402

Screen text for prompt injection and jailbreak attacks before passing it to an LLM. Detects 10 attack categories (instruction override, role hijack, jailbreak, data exfiltration) with risk level and confidence. Use for AI security, LLM input sanitization, and prompt firewalls.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.03
Network
base
Pay to
0xcEbbB82a183Faa69b929eD1F417aAFc63fa3b5b6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
310 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:31:16.058Z (1h ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fguard.x402tools.xyz%2Fscreen"