AtomicPay Blog
Practical guides to sell more online.
Guides for creators and digital operations — checkout, funnels, subscriptions, marketing attribution, churn, and payment webhook automation.
Payments
Card, Bizum, or bank transfer: which payment method your ticket prefers
Choosing the right online payment methods for your digital store is not a minor technical decision. It is a commercial decision that directly affects convers…
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Checkout
Bizum at checkout: instant payment that is no longer just between friends
Bizum started as a tool to send money between individuals instantly. You used it to split a restaurant bill or pay a friend back. But in a few years, Bizum h…
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Subscriptions
SEPA direct debit and recurring payments: the subscription that does not depend on cards
If your business runs on a subscription model, you probably rely on credit cards to charge every month. The problem is that cards expire, get lost, get block…
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Payments
Interest-free installments: who pays for the party and what changes in your cash flow
Installment payments are no longer exclusive to expensive appliances. Today, services like Klarna, Sequra, and other online purchase financing solutions let …
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Checkout
Embedded checkout or redirect to Redsys: what leaving the page really costs
Checkout is the most delicate moment in the entire online purchase process. The visitor has browsed your page, chosen a product, added it to the cart, and is…
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Payments
Payment gateway: how to choose the best one for your digital business in Spain
A payment gateway is the technology intermediary that connects your online store to banks and card networks to process transactions. It is the bridge between…
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Payments
Fraud prevention that declines a good sale: the cost of false positives
Ecommerce fraud costs billions of euros globally each year. Stolen cards, fraudulent chargebacks, and fake identities are real threats. That is why gateways …
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Checkout
Abandoned cart recovery: the cadence that recovers without burning the list
Cart abandonment is when a visitor adds products to the cart but does not complete payment. Industry stats put the average abandonment rate between 65% and 8…
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Payments
VAT and invoicing for digital products: what changes with Verifactu and OSS
Electronic invoicing is moving from optional to mandatory in Spain. Verifactu is the new regulatory framework requiring invoicing software to guarantee integ…
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Payments
A return policy that reduces disputes instead of increasing them
Most online businesses write their return policy to protect themselves from customers who want to return. With that mindset they create restrictive, confusin…
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PIX
Automatic PIX: recurring billing without depending on cards
Use automatic PIX for digital subscriptions to cut involuntary churn and card dependency.
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PIX
PIX MED refund: what to do when a return hits your account
Understand Brazil’s PIX special return mechanism, evidence, and ops process for fast response.
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Checkout
Transparent checkout vs redirect: what leaving the page costs
Compare transparent and redirect checkout — friction, local methods, order bumps, and attribution.
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Checkout
Checkout conversion rate: where buyers drop off
Improve checkout conversion rate by fixing cart abandonment, payment friction, and mobile checkout issues.
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Checkout
Agentic commerce: ready your checkout for AI buyers
How AI shopping agents buy on customers' behalf and what an agent-ready checkout requires.
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Funnels
Order bumps & upsells: raise order value at checkout
Order bumps and post-purchase upsells raise average order value without extra ad spend.
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Subscriptions
Involuntary churn: revenue lost without cancelling
Recover subscribers lost to failed payments with dunning management, smart retries, and billing recovery.
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Subscriptions
Subscription billing: design a cycle that retains
How billing cycles shape churn, why annual retains better, and how to recover failed recurring payments.
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Payments
Payment gateway: how to choose the best for digital business
Evaluate gateways beyond headline fees — approval rates, PIX, integration, reconciliation, and cash flow.
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Payments
False-positive fraud prevention: the cost of blocking good sales
How antifraud false positives hurt approval and ROAS — and what to measure to tune risk.
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Payments
Payment split for co-producers and affiliates
Split revenue automatically without spreadsheets — rules, refunds, and reconciliation.
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Payments
Receivables anticipation: the hidden cost of not waiting D+30
Decide when to anticipate receivables — margin, installments, ROAS, and cash flow.
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Payments
Chargeback: how disputes work and how to protect digital sales
Prevent chargebacks on digital products — recognizable checkout, delivery evidence, and support.
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Payments
Refund policy that reduces disputes instead of increasing them
Design a clear refund policy that diverts chargebacks without destroying margin.
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Payments
Payment reconciliation: why your report never matches the acquirer
Align dashboard, acquirer, and cash — fees, splits, refunds, and identifiers.
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Payments
Payment approval rate: why good sales get declined
Why legitimate transactions get declined and what improves authorization rates and payment routing.
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Payments
Chargeback prevention for digital products
Reduce payment disputes and keep your chargeback ratio safely low with clear billing and fraud prevention.
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Payments
Settlement timing: how payouts shape cash flow
How payout schedules and funding delays shape merchant cash flow — often more than the headline rate.
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Payments
Effective transaction cost: what you really pay
Calculate your real blended cost per sale beyond the headline rate — fixed fees, declines, and disputes.
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Payments
Payment platform migration without losing subscribers
Migrate subscriptions with stored cards preserved, parallel migration, and safe merchant onboarding.
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