Foundational Guides24 min read
Payment Gateway Explained: How Online Payment Processing Works for Service Businesses
A payment gateway is the secure front end of online payment processing. One of the first practical decisions is [hosted checkout or API integration](https://www.decta.com/company/media/how-to-choose-between-hosted-checkout-and-api-integration-for-your-online-business). That choice affects how payment data is captured and transmitted, how much control you keep over the product experience, and how much security responsibility your team takes on.
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