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Stablecoin billing, written down

What we have learned building billing on a rail where payments are final, approvals are bounded, and the customer holds the wallet.

Troubleshooting USDC Payment Failures Onchain: What to Expect
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Troubleshooting USDC Payment Failures Onchain: What to Expect

Explore the mechanics behind USDC payment failures onchain. Learn how to diagnose errors, handle edge cases, and keep stablecoin billing reliable.

6 min read
Onchain Subscriptions vs One-Time Invoices in Crypto SaaS
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Onchain Subscriptions vs One-Time Invoices in Crypto SaaS

Evaluate onchain subscription vs one-time invoice for recurring USDC billing in crypto SaaS. Learn the mechanics, tradeoffs, and implementation details with code.

5 min read
AI Agent Payments: Metering, Spending Caps, and Self-Paying Bots
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AI Agent Payments: Metering, Spending Caps, and Self-Paying Bots

Explore how to meter AI agent tool calls, enforce spending caps, and let agents pay for their own usage with USDC. Includes code and real examples.

5 min read
When Is a Crypto Payment Really Final? Confirmations and Receipts
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When Is a Crypto Payment Really Final? Confirmations and Receipts

Onchain payments are only final after confirmations, due to the risk of reorgs. This post explains how to track payment status, with code and real examples.

5 min read
What Goes on a USDC Invoice and How Onchain Reminders Work
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What Goes on a USDC Invoice and How Onchain Reminders Work

See what belongs on a USDC invoice, how to automate reminders for stablecoin payments, and how to reconcile incoming funds onchain for your crypto business.

5 min read
Why DeFi Tools Rarely Charge Recurring Fees, Until Now
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Why DeFi Tools Rarely Charge Recurring Fees, Until Now

DeFi tools often miss out on subscription revenue. Learn how bounded wallet approvals and onchain billing change recurring payments for crypto SaaS.

5 min read
Crypto Payments vs Cards: Billing Rails in Practice
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Crypto Payments vs Cards: Billing Rails in Practice

Compare crypto payments and card rails for business billing: how each settles, handles chargebacks, and what changes for crypto-native teams. Includes real-world code examples.

6 min read