the402 endpoint detail

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trustfetch.duckdns.org tools injection-scan

https://trustfetch.duckdns.org/tools/injection-scan

answers 402

Fast tier: scan text for prompt-injection techniques before your agent processes it. Heuristics first, LLM only on ambiguous cases.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0x1f5f8474fA0dc1Fde79187abd68Ef8Ea15ADAe34
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
117 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:25:35.349Z (2d ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftrustfetch.duckdns.org%2Ftools%2Finjection-scan"