{"templateId":"markdown","sharedDataIds":{"sidebar":"sidebar-docs/sidebars.yaml"},"props":{"metadata":{"markdoc":{"tagList":[]},"type":"markdown"},"seo":{"title":"Reefpay Docs","description":"Reefpay is the groundbreaking payment gateway that lets you integrate with the future of payments.","llmstxt":{"hide":false,"sections":[{"title":"Table of contents","includeFiles":["**/*"],"excludeFiles":[]}],"excludeFiles":[]}},"dynamicMarkdocComponents":[],"compilationErrors":[],"ast":{"$$mdtype":"Tag","name":"article","attributes":{},"children":[{"$$mdtype":"Tag","name":"Heading","attributes":{"level":1,"id":"about-the-evolution-of-payments","__idx":0},"children":["About the evolution of payments"]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"from-cash-to-digital","__idx":1},"children":["From cash to digital"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The payments industry has gone through several major transitions. Each one introduced new technology, new intermediaries, and new expectations for speed and security."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":[{"$$mdtype":"Tag","name":"img","attributes":{"src":"https://files.modern-mermaid.live/images/1776271575109-mermaid-diagram-1776271575199.png","alt":"image"},"children":[]}]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"cash-and-checks","__idx":2},"children":["Cash and checks"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Cash was the dominant payment method for centuries. It offers immediate settlement and privacy, but has significant drawbacks for commerce at scale — it requires physical presence, carries theft risk, and leaves minimal audit trails."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Checks introduced a paper-based alternative. A check instructs a bank to transfer funds from one account to another without exchanging physical currency. Checks provided better record-keeping through bank statements, but they can bounce if funds are insufficient, and clearing takes days."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"credit-and-debit-cards","__idx":3},"children":["Credit and debit cards"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Credit cards, introduced in the 1950s, fundamentally changed payments. They allowed people to purchase goods immediately and pay later, removing the need to carry cash. For merchants, cards reduced the risk of bounced checks and opened the door to remote transactions."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The card ecosystem brought new intermediaries into every transaction:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Card networks"]}," (Visa, Mastercard, American Express, Discover) provide the infrastructure connecting banks."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Issuing banks"]}," provide cards to people and authorize transactions."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Acquiring banks"]}," hold merchant accounts and receive settled funds."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Payment processors"]}," route transactions between these parties."]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Debit cards, which arrived in the 1970s, offered direct access to a person's bank funds without the credit component. Both card types continue to evolve — from magnetic stripes to EMV chips to contactless tap-to-pay."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"electronic-transfers-and-ach","__idx":4},"children":["Electronic transfers and ACH"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The Automated Clearing House (ACH) network, established in the 1970s in the United States, enabled electronic bank-to-bank transfers without cards. ACH processes transactions in batches rather than in real time, making it well-suited for:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Payroll direct deposits"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Recurring bill payments"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Business-to-business transfers"]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["ACH transactions are significantly less expensive than card transactions because they bypass card networks and their associated interchange fees. However, they are slower — settlement typically takes 2–3 business days — and they carry a risk of returns (for example, due to insufficient funds)."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Reefpay"," supports ACH payments through the Vericheck processor, using transaction types ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["bank_account_payment"]}," (debit) and ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["bank_account_payout"]}," (credit)."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"online-payments-and-payment-gateways","__idx":5},"children":["Online payments and payment gateways"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The rise of the internet in the 1990s created a new challenge: how to accept card payments without a physical terminal. Payment gateways emerged to fill this gap."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["A payment gateway acts as the digital equivalent of a point-of-sale terminal. It:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Collects payment data from a merchant's website or application"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Encrypts the data and transmits it to a processor"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Returns authorization responses to the merchant"]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["This model enabled e-commerce to scale. Merchants no longer needed direct relationships with processors or banks — the gateway abstracted that complexity behind an API."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"mobile-wallets-and-contactless-payments","__idx":6},"children":["Mobile wallets and contactless payments"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Mobile wallets such as Apple Pay and Google Pay store card credentials on a person's device and use Near Field Communication (NFC) technology for contactless payments at physical terminals. These wallets add a security layer through tokenization — the device transmits a one-time token rather than the actual card number."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Contactless payments have accelerated the trend toward cashless commerce. They combine the speed of cash (tap and go) with the security and record-keeping of card payments."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"what-this-means-for-developers","__idx":7},"children":["What this means for developers"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["As a developer integrating with ","Reefpay",", you work with the current state of this evolution: RESTful APIs that abstract the complexity of card networks, processors, and banks behind a single interface. The historical context helps you understand:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Why authorization and settlement are separate steps"]},": This separation dates back to the card network clearing process."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Why ACH is slower than card payments"]},": ACH uses batch processing inherited from its 1970s design."]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Why tokenization exists"]},": It evolved as a security measure to protect card data in digital environments."]}]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"further-reading","__idx":8},"children":["Further reading"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"/docs/concepts/payment-industry/intro"},"children":["About electronic payments"]}]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"/docs/concepts/payment-industry/role-of-gateways"},"children":["About the role of gateways"]}," "]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"/docs/concepts/payment-industry/networks-and-interchange"},"children":["About card networks and interchange"]}," "]}]}]},"headings":[{"value":"About the evolution of payments","id":"about-the-evolution-of-payments","depth":1},{"value":"From cash to digital","id":"from-cash-to-digital","depth":2},{"value":"Cash and checks","id":"cash-and-checks","depth":2},{"value":"Credit and debit cards","id":"credit-and-debit-cards","depth":2},{"value":"Electronic transfers and ACH","id":"electronic-transfers-and-ach","depth":2},{"value":"Online payments and payment gateways","id":"online-payments-and-payment-gateways","depth":2},{"value":"Mobile wallets and contactless payments","id":"mobile-wallets-and-contactless-payments","depth":2},{"value":"What this means for developers","id":"what-this-means-for-developers","depth":2},{"value":"Further reading","id":"further-reading","depth":2}],"frontmatter":{"title":"About the evolution of payments","shortTitle":"Evolution of payments","intro":"Payment methods have evolved from cash and checks to cards, electronic transfers, and digital wallets. 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