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AI Agent Payments

Payments infrastructure designed for AI agents and autonomous apps.

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Lightning Labs Agent Toolkit: L402 for Autonomous APIs

Lightning Labs’ agent toolkit turns L402 into deployable agent infrastructure, but the wider 402-payments market is still splitting across incompatible stacks.

Stories filed under this tag.

2 articles

Dark technical illustration of an AI agent using Lightning-based L402 payment authorization to access paid APIs, with a 402 challenge, payment receipt flow, and parallel machine-payment standards shown as separate lanes.

Web3 Builder7 min read

Lightning Labs Agent Toolkit: L402 for Autonomous APIs

Lightning Labs’ agent toolkit turns L402 into deployable agent infrastructure, but the wider 402-payments market is still splitting across incompatible stacks.

Marcus Bishop

Mar 28, 2026

Terminal window showing an HTTP 402 payment challenge and Authorization: Payment credential exchange, with abstract payment flow lines connecting to API service nodes — illustrating the Machine Payments Protocol request cycle.

Web3 Builder9 min read

Tempo Mainnet: Machine Payments Protocol for AI Agents

Tempo mainnet ships the Machine Payments Protocol, replacing API key billing with HTTP 402 flows for AI agents. The technical breakdown for builder teams.

Marcus Bishop

Mar 28, 2026