the402 endpoint detail

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cdo-production.up.railway.app solutions payment-authorization

https://cdo-production.up.railway.app/v1/gb/solutions/payment-authorization

answers 402

Authorize one UK business payment by composing supplier, invoice and payee controls into a single decision and settlement. Use immediately before payment release. Missing or source-conditioned evidence produces HOLD; the token is bounded and single-use.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.25
Network
base
Pay to
0x0D0E3539Da45c573AF8730045e7D5F634243f3d3
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
310 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:28:19.569Z (1h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcdo-production.up.railway.app%2Fv1%2Fgb%2Fsolutions%2Fpayment-authorization"