Proxagora Blog

When Local LLMs Aren't Enough: Building Agent Infrastructure Beyond M4 Limits

A 16GB M4 Mac can run local models—but only small ones. Here's why that constraint forces infrastructure builders toward distributed APIs, and how to make that transition cheap and friction-free.

Stripe Just Validated Our Entire Thesis

API Keys Are Dead (For Agents)

API keys were designed for humans managing billing accounts. AI agents can't do that. Here's why the agent economy needs a different model — and what replaces it.

How x402 Micropayments Work for AI Agents

A technical walkthrough of the x402 payment protocol — how AI agents discover, authorize, and pay for API calls without API keys or signups.

The Agent API Economy: Why API Keys Are Dead

API keys were designed for humans. As AI agents become the primary consumers of web services, the entire authentication and billing model needs to change.