{"id":1421,"date":"2025-05-26T12:49:42","date_gmt":"2025-05-26T12:49:42","guid":{"rendered":"https:\/\/nownodes.io\/blog\/?p=1421"},"modified":"2025-05-26T12:49:43","modified_gmt":"2025-05-26T12:49:43","slug":"what-is-zksync-rpc-a-complete-guide","status":"publish","type":"post","link":"https:\/\/nownodes.io\/blog\/what-is-zksync-rpc-a-complete-guide\/","title":{"rendered":"What Is zkSync RPC? A Complete Guide"},"content":{"rendered":"\n<p>zkSync stands out as one of the most promising Layer 2 solutions. Leveraging zk-rollups technology, zkSync offers fast, secure, and cost-effective transactions. But how do developers actually interact with zkSync\u2019s network? The answer is <strong>zkSync RPC<\/strong> &#8211; your gateway for applications to communicate with the zkSync Layer 2 blockchain.<\/p>\n\n\n\n<p>Let&#8217;s explore what zkSync RPC is, why it\u2019s important, and why you might prefer using a professional API provider instead of running your own node.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-zksync-rpc\">What Is zkSync RPC?<\/h2>\n\n\n<p>RPC stands for Remote Procedure Call &#8211; a protocol that lets your application send requests to a blockchain node to perform actions like querying balances, sending transactions, or interacting with smart contracts.<\/p>\n\n\n\n<p>Ethereum developers are familiar with JSON-RPC endpoints provided by services like Infura or Alchemy. zkSync, being a Layer 2 network, requires its own specialized RPC interface because it operates differently from the Ethereum mainnet. zkSync RPC understands zk-rollups, Layer 2 state, and offers methods to interact with zkSync\u2019s faster and cheaper transaction environment.<\/p>\n\n\n\n<p>Simply put, <strong><a href=\"https:\/\/nownodes.io\/nodes\/zksync-zksync\">zkSync RPC<\/a><\/strong> is the API that allows your app to speak directly with the zkSync network.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-would-you-run-your-own-zksync-node\">Why Would You Run Your Own zkSync Node?<\/h2>\n\n\n<p>Running your own node means you have full control over the data, you don\u2019t depend on third parties, and you can ensure your infrastructure is tailored to your needs.<\/p>\n\n\n\n<p>However, this comes at a cost:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High infrastructure and maintenance requirements.<\/li>\n\n\n\n<li>Constant updates to keep up with protocol changes.<\/li>\n\n\n\n<li>Monitoring and scaling to handle traffic spikes.<\/li>\n\n\n\n<li>Significant technical expertise required.<\/li>\n<\/ul>\n\n\n\n<p>For many projects, this overhead is simply too high, especially when the main goal is to build great user experiences, not to manage infrastructure.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-use-a-nownodes-zksync-api-instead\">Why Use a NOWNodes zkSync API Instead?<\/h2>\n\n\n<p>Node providers offer ready-to-use zkSync RPC endpoints backed by powerful infrastructure. Here\u2019s why you should consider them:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Instant access<\/strong> &#8211; no setup or maintenance, just connect and start.<\/li>\n\n\n\n<li><strong>Reliability and uptime<\/strong> &#8211; NOWNodes guarantee 99,95$ uptime.<\/li>\n\n\n\n<li><strong>Scalability<\/strong> &#8211; they handle traffic spikes effortlessly.<\/li>\n\n\n\n<li><strong>Automatic updates<\/strong> &#8211; always use the latest version of zkSync RPC.<\/li>\n<\/ul>\n\n\n\n<p>This lets your team focus on building your app, not running servers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-get-started-with-zksync-via-nownodes-api\">How to Get Started with zkSync via NOWNodes API<\/h2>\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/account.nownodes.io\/auth\/login\">Sign up<\/a> to get your API key.<\/li>\n\n\n\n<li>Use the provided <a href=\"https:\/\/nownodes.gitbook.io\/documentation\/zksync-zksync\/zks-methods\">zkSync endpoint <\/a>in your code.<\/li>\n\n\n\n<li>Make JSON-RPC calls: check balances, send transactions, interact with contracts.<\/li>\n\n\n\n<li>Enjoy support, SLA, and peace of mind.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n<p><a href=\"https:\/\/nownodes.io\/nodes\/zksync-zksync\">zkSync RPC<\/a> is your gateway to the fast, cheap, and secure Layer 2 Ethereum experience. While running your own node is an option, using a professional API provider offers a simpler, cost-effective, and more reliable way to access zkSync.<\/p>\n\n\n\n<p><strong>Start using NOWNodes zkSync API today and focus on creating great dApps &#8211; we\u2019ll handle the infrastructure!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/account.nownodes.io\/\">Get access to zkSync NOW<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>zkSync stands out as one of the most promising Layer 2 solutions. Leveraging zk-rollups technology, zkSync offers fast, secure, and cost-effective transactions. But how do developers actually interact with zkSync\u2019s network? The answer is zkSync RPC &#8211; your gateway for applications to communicate with the zkSync Layer 2 blockchain. Let&#8217;s explore what zkSync RPC is, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1422,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_lmt_disableupdate":"","_lmt_disable":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7,41],"tags":[203,90,40,123,386],"class_list":["post-1421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-node-guides","category-zksync","tag-api","tag-ethereum","tag-mainnet","tag-rpc-nodes","tag-zksync"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Is zkSync RPC? A Complete Guide<\/title>\n<meta name=\"description\" content=\"zkSync RPC - your gateway for applications to communicate with the zkSync Layer 2 blockchain.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nownodes.io\/blog\/what-is-zksync-rpc-a-complete-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is zkSync RPC? 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