the402 endpoint detail

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agent402.co.uk normalize url

https://agent402.co.uk/v1/normalize/url

answers 402

Agent402. URL canonical form: lower host, strip default ports, sort query. $0.001 structure_only.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x9EF92b278a3867C429751390EC427736eB4BABB2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
138 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:59.139Z (1h ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.co.uk%2Fv1%2Fnormalize%2Furl"