The HTTP 402 "Payment Required" error code, unused for 29 years, has been revived as a standard for AI agent payments. Major cloud providers like AWS and Cloudflare have recently implemented support for this protocol at their network edges. This move is expected to simplify and normalize per-request payments for AI services, potentially becoming a common infrastructure component within the next year. AI
IMPACT Enables per-request payment infrastructure for AI agents, potentially becoming a standard for AI service monetization.
RANK_REASON Implementation of the HTTP 402 error code for AI agent payments by major cloud providers. [lever_c_demoted from significant: ic=1 ai=0.7]
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