VCM17 August 2026

Carbonmark and Klima Protocol launch x402 endpoint for AI agent carbon credit transactions

Carbonmark and Klima Protocol introduced an x402 endpoint, enabling AI agents and HTTP clients to discover live carbon market data, obtain credit quotes, and retire carbon credits on the Base public blockchain. This development facilitates 'agentic transactions,' where software autonomously initiates and completes payments or market actions within operator-defined limits. The initiative addresses the historical friction of human-centric internet commerce in VCM, offering machine-readable terms, native payment, and verifiable outcomes via blockchain infrastructure. This aims to increase transaction cadence and granularity, potentially scaling carbon markets by allowing machines to participate efficiently.

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Carbonmark and Klima Protocol launch x402 endpoint for AI agent carbon credit transactions — carbon.fyi