Cross-Border Payments

A checkout that says card was declined is rarely the whole story. This guide decodes Stripe's official decline codes - do_not_honor, insufficient_funds, authentication_required and more - with a virtual-card troubleshooting checklist and retry discipline.

CN merchant fees verified on PayPal official pages: 4.40% + $0.30 receiving, 3.5-4% conversion markup, four withdrawal routes with minimums compared, plus WorldFirst/Payoneer intermediation and the 180-day hold rules.

How Meta bills for Facebook and Instagram ads: payment thresholds, automatic billing vs prepaid funds, currency lock-in, failed-payment recovery, and where virtual cards legitimately fit.

Pinterest Ads rejects prepaid cards and PayPal by policy. Verified against official docs: how the 0-starting billing threshold works, which credit and debit cards are accepted, country and currency limits, and three realistic setup paths.

OpenRouter credit fees on Stripe and USDC, troubleshooting declined cards, reading 402/429 errors, and where virtual cards fit. Verified against official docs, October 2026.

How OpenAI API usage tiers advance at $5/$50/$100/$250/$1,000 cumulative spend, how prepaid billing and auto-recharge work, and where virtual cards fit given the official no-prepaid-card policy.

The full cost stack for sellers paid through Payoneer: the 6.5% + $0.30 processing fee, Offsite Ads lock-in rules, 1.2%-4% withdrawal range, and who can open a shop. Verified against official pages.

Perplexity Pro costs $20/month on the web ($200/year) while in-app purchases run higher with refund windows of just 24 to 72 hours. This guide compares all four purchase channels, walks through Stripe decline diagnosis, and covers paying with a virtual card.

Telegram Premium sells through four official channels - App Store, Google Play, @PremiumBot, and Fragment - each with different pricing and restrictions. Verified against the official FAQ, this guide covers virtual card binding pitfalls and untangles Stars, Boosts, and Gifts.

Notion 2026 plans, seat billing rules, renewal failure mechanics, and keeping a virtual card on your workspace. Verified against official sources.