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HTTP Payment Standard

Definition ∞ The HTTP Payment Standard defines a set of protocols and message formats for processing payments over the Hypertext Transfer Protocol. This standard facilitates secure and interoperable payment requests and responses between merchants and payment service providers. It aims to streamline online transactions across various platforms. This specification supports both traditional and digital currency payments.
Context ∞ The HTTP Payment Standard is relevant for integrating digital asset payments into mainstream web commerce. Discussions focus on adapting this standard to accommodate blockchain-based transactions, including wallet interactions and cryptographic proofs. Future developments involve further standardization efforts to enable seamless, browser-native cryptocurrency payments, improving user experience and reducing friction in digital asset spending.

A dynamic, blue-hued liquid circulates within a metallic, glowing core, suggesting a robust liquid staking or liquidity pool operation. This central consensus mechanism integrates into a sophisticated protocol architecture with intricate components and blue illumination. Transparent, granular particles cascade across the platform, symbolizing data packets or microtransactions flowing through a decentralized network. The visual conveys advanced blockchain scalability solutions, emphasizing efficient transaction finality and decentralized finance DeFi infrastructure.

→Developer Tooling

→Protocol Adoption

→Machine-To-Machine Commerce

Coinbase X402 Protocol Activates HTTP 402 for Autonomous AI Agent Payments

The protocol embeds frictionless, stablecoin-based microtransactions directly into HTTP requests, establishing the foundational payment rail for the emerging agentic economy.