Payments Intermediate
Stripe Payment Links on a Static Astro Site
Put a Stripe Payment Link or buy button on a static Astro site with no backend, and know exactly when an adapter and a webhook become necessary.
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Stripe, Paddle, Lemon Squeezy — choose a provider, check seller eligibility, integrate checkout, and understand seller responsibilities.
Payments Intermediate
Why Buyers Never Get the Download Email
Buyer paid, no email arrived. Fix it in order: unpaid orders, the signed receipt link you already have, and the Cloudflare record that stalls verification.
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Astro Webhook Verification Lab: Signatures, Retries, and Refunds
Run a pinned Astro webhook lab: reject changed bodies, deduplicate deliveries, persist grants, and prevent paid replays from restoring refunded access.
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Lemon Squeezy Test Mode: Catch Checkout Bugs Before Going Live
Run your Lemon Squeezy checkout and webhooks in test mode on localhost with test cards and a tunnel. Catch bugs before your first real charge, not after.
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Paid Download Lab: Expiring Links, Public URLs, and Refunds
Run a private download experiment: verify bytes, reject altered links, revoke refunded access, and reproduce why redirects to public files stay exposed.
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Lemon Squeezy Webhook Not Firing or Invalid Signature: 5 Fixes
Lemon Squeezy says the webhook was sent but your handler never runs — or X-Signature never matches. Five causes in order, with Node, Next.js and Go fixes.
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Lemon Squeezy License Key API: Activate, Validate, Deactivate
Three endpoints, no API key, Access-Control-Allow-Origin: *. Working Lemon Squeezy license key code, plus 5 traps that leak emails and burn activation slots.
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Lemon Squeezy Checkout on an Astro Site (No Backend)
Add Lemon Squeezy checkout to a static Astro site with no backend: lemon.js button, Cloudflare Pages webhook, raw-body signature checks, test-mode traps.
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Getting Paid Without Stripe: Ko-fi and PayPal Checklist
Check Ko-fi payment settings, PayPal receiving and withdrawal eligibility, fees, and delivery before publishing your first payment link.
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Stripe Not Available in Your Country? Check These Routes
Check seller eligibility, supported payouts, and product restrictions before choosing a merchant of record, PayPal route, or foreign company.
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Do I Need an LLC to Sell Digital Products? A US Checklist
Separate US business structure, payment eligibility, and tax obligations before selling digital products.
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Merchant of Record vs Payment Processor: Responsibilities
Compare seller responsibilities, eligibility, tax handling, and total cost before choosing a payment model for a digital product.
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