diff --git a/docusaurus.config.js b/docusaurus.config.js
index 9719e9eb7..42b6cb3e1 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -53,9 +53,13 @@ const config = {
 
   presets: [
     [
-      "classic",
+      "docusaurus-plugin-glossary/preset",
       /** @type {import('@docusaurus/preset-classic').Options} */
       ({
+        glossary: {
+          glossaryPath: "glossary/glossary.json",
+          routePath: "/glossary",
+        },
         docs: {
           routeBasePath: "/",
           sidebarPath: "./sidebars.js",
diff --git a/glossary/glossary.json b/glossary/glossary.json
new file mode 100644
index 000000000..51d51d7c6
--- /dev/null
+++ b/glossary/glossary.json
@@ -0,0 +1,57 @@
+{
+  "description": "Codat terminology and key concepts",
+  "terms": [
+    {
+      "term": "API",
+      "abbreviation": "Application Programming Interface",
+      "definition": "A set of rules and protocols that allows different software applications to communicate with each other. Codat provides APIs for accessing financial data from accounting, banking, and commerce platforms.",
+      "relatedTerms": ["REST", "Webhook"]
+    },
+    {
+      "term": "Connection",
+      "definition": "A link between a Codat company and a data source (like an accounting platform). Each connection represents authorized access to pull or push data from that platform.",
+      "relatedTerms": ["Company", "Data source"]
+    },
+    {
+      "term": "Company",
+      "definition": "In Codat, a company represents your customer's business entity. Companies can have multiple connections to different data sources.",
+      "relatedTerms": ["Connection"]
+    },
+    {
+      "term": "Data source",
+      "definition": "An external platform (such as QuickBooks, Xero, or a bank) that Codat integrates with to pull or push financial data.",
+      "relatedTerms": ["Connection", "Integration"]
+    },
+    {
+      "term": "Webhook",
+      "definition": "An automated notification sent from Codat to your application when specific events occur, such as when data syncs complete or connections change status.",
+      "relatedTerms": ["API"]
+    },
+    {
+      "term": "Sync",
+      "definition": "The process of fetching the latest data from a connected data source. Syncs can be triggered manually or run automatically on a schedule.",
+      "relatedTerms": ["Connection", "Data source"]
+    },
+    {
+      "term": "SMB",
+      "abbreviation": "Small and Medium-sized Business",
+      "definition": "The primary customer segment that Codat helps businesses serve, typically companies with annual revenues under $500 million."
+    },
+    {
+      "term": "Bank Feeds",
+      "definition": "A Codat product that enables automatic synchronization of bank transaction data into a company's accounting software.",
+      "relatedTerms": ["Sync"]
+    },
+    {
+      "term": "Link",
+      "definition": "The authorization flow that allows end users to connect their accounting, banking, or commerce platforms to your application via Codat.",
+      "relatedTerms": ["Connection", "Company"]
+    },
+    {
+      "term": "REST",
+      "abbreviation": "Representational State Transfer",
+      "definition": "An architectural style for designing networked applications. Codat's APIs follow REST principles, using standard HTTP methods.",
+      "relatedTerms": ["API"]
+    }
+  ]
+}
diff --git a/package-lock.json b/package-lock.json
index 19046af69..ea4c1a259 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,7 @@
         "@stoplight/elements": "^8.4.6",
         "buffer": "^6.0.3",
         "clsx": "^2.1.1",
+        "docusaurus-plugin-glossary": "^3.0.0",
         "docusaurus-plugin-cookie-consent": "^4.1.0",
         "docusaurus-plugin-image-zoom": "^2.0.0",
         "docusaurus-plugin-module-alias": "^0.0.2",
@@ -8785,6 +8786,23 @@
         "node": ">=6"
       }
     },
+    "node_modules/docusaurus-plugin-glossary": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/docusaurus-plugin-glossary/-/docusaurus-plugin-glossary-3.0.0.tgz",
+      "integrity": "sha512-3ifzU7xJ1im5vXiz/E4oZHkr2YM43yjEocGjnMuzWbZirNxtWqNd0IzQteC26zUN+YA+QkhgCr9GUb6w5HsKyA==",
+      "license": "MIT",
+      "dependencies": {
+        "fs-extra": "^11.0.0",
+        "unist-util-visit": "^5.0.0",
+        "validate-peer-dependencies": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=16.14"
+      },
+      "peerDependencies": {
+        "@docusaurus/core": "^3.0.0",
+        "react": "^18.0.0",
+        "react-dom": "^18.0.0"
     "node_modules/docusaurus-plugin-cookie-consent": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/docusaurus-plugin-cookie-consent/-/docusaurus-plugin-cookie-consent-4.1.0.tgz",
diff --git a/package.json b/package.json
index 07be77907..93c54f7d5 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "@stoplight/elements": "^8.4.6",
     "buffer": "^6.0.3",
     "clsx": "^2.1.1",
+    "docusaurus-plugin-glossary": "^3.0.0",
     "docusaurus-plugin-cookie-consent": "^4.1.0",
     "docusaurus-plugin-image-zoom": "^2.0.0",
     "docusaurus-plugin-module-alias": "^0.0.2",