the402 endpoint detail

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centry.cybercentry.co.uk services quantum_cryptography_verification

https://centry.cybercentry.co.uk/api/services/quantum_cryptography_verification

answers 402

Encrypt text with quantum-resistant (post-quantum) cryptography, for secrets that must outlast classical encryption. Returns a record ID and a decrypt URL

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$1.00
Network
base
Pay to
0xfee13309251b632317ea2d475d6aba7e7e0219e6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
494 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:10:11.332Z (36d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcentry.cybercentry.co.uk%2Fapi%2Fservices%2Fquantum_cryptography_verification"