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Blog

# Insights & updates

Technical deep dives and perspectives on the agent economy from the Ampersend team.

## [Give CrewAI Agents a Wallet and Guardrails with ampersend](/blog/give-crewai-agents-a-wallet-and-guardrails)

- Author: Marcus Rein
- Date: April 29, 2026

Agent swarms need wallets and wallets need guardrails. A CrewAI agent with an ampersend wallet pays for a joke endpoint with real USDC on Base—no API key, no OAuth, no billing dashboard.

![Give CrewAI Agents a Wallet and Guardrails with ampersend](/_next/image?url=%2Fblog%2Fgive-crewai-agents-a-wallet-and-guardrails%2Fcover.png&w=3840&q=75)

## [I Built an Agent-Gated Day Pass. Here’s What It Taught Me About the Agent Economy](/blog/i-built-an-agent-gated-day-pass)

- Author: Marcus Rein
- Date: April 17, 2026

I built an HTTP server that verifies the caller is a real ampersend.ai agent, then hands back a promo code for 50% off a day pass at The House in San Francisco. No account. No API key. Just cryptographic proof.

![I Built an Agent-Gated Day Pass. Here’s What It Taught Me About the Agent Economy](/_next/image?url=%2Fblog%2Fi-built-an-agent-gated-day-pass%2Fcover.png&w=3840&q=75)

## [ampersend Is Now in Open Beta](/blog/ampersend-is-now-in-open-beta)

- Author: Doug Antin
- Date: April 1, 2026

Autonomous AI agents are already spending real money. Projections for AI-driven commerce reach $30 trillion by 2030. We built ampersend to close the governance gap and today, we’re opening the platform to everyone.

![ampersend Is Now in Open Beta](/_next/image?url=%2Fblog%2Fampersend-is-now-in-open-beta%2Fcover.png&w=3840&q=75)

## [Autonomy Without Modularity Is Just Risk at Scale](/blog/autonomy-without-modularity-is-just-risk-at-scale)

- Author: Noelle Becker Moreno
- Date: February 26, 2026

At NEARCON this week, we spent a lot of time talking about autonomous systems in practice. But there was one principle I didn’t get enough time to emphasize on stage: modularity. Autonomy at scale without modularity doesn’t reduce risk; it amplifies it.

![Autonomy Without Modularity Is Just Risk at Scale](/_next/image?url=%2Fblog%2Fautonomy-and-risk%2Fcover.png&w=3840&q=75)

## [Shift From API Keys to Per-Request Payments: Solving Agent Loop Spending](/blog/shift-from-api-keys-to-per-request-payments)

- Author: Edge & Node
- Date: February 24, 2026

A multi-agent system mistakenly burned $47,000+ in API costs. No hacker. No breach. Just bad infrastructure controls. With ampersend, every LLM call becomes a real USDC payment with spending limits enforced at the wallet level—when the agent’s budget runs out, the agent stops spending money even if the code keeps running.

![Shift From API Keys to Per-Request Payments: Solving Agent Loop Spending](/_next/image?url=%2Fblog%2Fshift-from-api-keys-to-per-request-payments%2Fcover.jpg&w=3840&q=75)

ampersend.

The control layer for the agent economy.

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