Navigate through scenarios involving HTTP 402, x402 proposals, and digital payment systems! Learn when to use protocol-level solutions versus application-level implementations.
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Scenario 1 of 10
The Reserved Status Code
You're building a web application that needs to charge users per API request. You discover HTTP 402 (Payment Required) in the HTTP specification. It's marked as "reserved for future use" but never standardized. A colleague suggests using it anyway, while another recommends using 403 (Forbidden) with a payment link.
Should you use HTTP 402 for payment-required scenarios?
Press Y for YES or N for NO