the402 endpoint detail

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api.craigmbrown.com services security.injection-resilience

https://api.craigmbrown.com/v1/services/security.injection-resilience

payable

Tests whether a counterparty agent's input handling resists prompt-injection and content-trap patterns — a concrete resilience check, not a compliance checkbox.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.50
Network
base
Pay to
0x5E709929A4AB69eC3a8811d03417869059BC4EB9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
76 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:14:05.994Z (1d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.craigmbrown.com%2Fv1%2Fservices%2Fsecurity.injection-resilience"