Carbonmark has launched an AI agent capable of autonomously discovering, pricing, and retiring carbon credits on the Base blockchain using the x402 endpoint. This agentic commerce system allows for machine-to-machine transactions, providing continuous price discovery and secure settlement in seconds. As of July 2026, the endpoint lists approximately 329,000 tonnes of on-chain liquidity, with prices ranging from $0.09 to $1,268 per tonne. This development aims to increase transparency, improve price discovery, and lower market entry barriers for carbon offsetting.
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