Payzum Blog

Crypto Payments Blog

Non-custodial, crypto-only payments — explained for the operators and developers who actually run the money. Pain, mechanics, and how Payzum solves it.

Barbershop

Accept Crypto Payments at Your Barbershop (Phone POS)

Turn any phone into a crypto terminal at the chair: a QR per cut, no-show deposits that actually stick, per-barber tracking for booth-rent and commission splits, no chargebacks, and instant settlement to a wallet you control.

12 min read
Stablecoins & policy

GENIUS Act 2026: what regulated stablecoins mean for merchants

U.S. regulators spent the first half of 2026 turning the GENIUS Act into real rules — and stablecoins into regulated payment money. We unpack what changed and what it means for any business weighing whether to accept USDC/USDT.

10 min read
Cafe

Accept Stablecoin Payments at Your Cafe (Phone POS)

Turn any phone into a crypto terminal for your coffee shop: a fresh QR per order, no per-swipe fee eating your small tickets, no chargebacks, and instant settlement to a wallet you control.

12 min read
Hair salon

Accept USDC/USDT Payments at Your Hair Salon (POS)

Turn any phone into a crypto terminal for your salon: a fresh QR per sale, PIN cashiers per stylist, no chargebacks, and instant settlement to a wallet you control.

10 min read
x402 / Agentic

x402 vs API Key Billing: Why Per-Call Wins for Agents

API keys and subscriptions were built for humans who sign up and stay. AI agents do neither. Here's x402 vs API key billing — and why per-call settlement is the model the machine economy actually needs.

13 min read
x402 / Agentic

Let AI Agents Pay for Your API: A Practical Guide

AI agents can call your API but can't sign up or hold a card. Here's how to let AI agents pay for your API per call in USDC on Base — non-custodial, no code.

12 min read