the402 endpoint detail

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app.heinrichstech.com cdp prompt-injection-scan

https://app.heinrichstech.com/v1/cdp/prompt-injection-scan

payable, partial

BitBooth Prompt Injection Scan: pay 0.005 USDC, detect prompt-injection patterns (system-instruction override, jailbreak personas, tool/exec injection, credential exfiltration, hidden-unicode payloads) in a text blob before it reaches an LLM. Returns severity-tagged findings. Pairs with /v1/cdp/pii-redact as the sanitize-before-model pipeline. Half the price of Orac for the same coverage shape.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse. It advertises 8 ways to pay and only 6 of them are usable.
Price
$0.005
Network
base
Pay to
0xDa2F35d283c42dd60B965322394bc658a5c1769F
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
204 ms
Payment options
6 usable of 8
Last checked
2026-08-10T09:13:57.601Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapp.heinrichstech.com%2Fv1%2Fcdp%2Fprompt-injection-scan"