{"id":48613,"date":"2025-02-26T07:28:19","date_gmt":"2025-02-26T07:28:19","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=48613"},"modified":"2026-02-21T07:26:23","modified_gmt":"2026-02-21T07:26:23","slug":"aws-tutorials-complete-guide-to-aws-api-gateway","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/aws-tutorials-complete-guide-to-aws-api-gateway\/","title":{"rendered":"AWS Tutorials: Complete Guide to AWS API Gateway"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.30.00%E2%80%AFPM-1024x432.png\" alt=\"\" class=\"wp-image-48616\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udccc List of Features of AWS API Gateway<\/strong><\/h3>\n\n\n\n<p>AWS <strong>API Gateway<\/strong> offers a wide range of features for <strong>creating, deploying, securing, and monitoring APIs<\/strong>. Below is a comprehensive list of key features:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 API Creation &amp; Management<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>Supports Multiple API Types<\/strong> \u2192 Create <strong>REST, HTTP, and WebSocket APIs<\/strong>.<br>\u2705 <strong>Custom Domain Names<\/strong> \u2192 Assign your own domain names with <strong>AWS Certificate Manager (ACM)<\/strong>.<br>\u2705 <strong>Versioning &amp; Staging<\/strong> \u2192 Deploy APIs in multiple <strong>stages<\/strong> (<code>dev<\/code>, <code>test<\/code>, <code>prod<\/code>).<br>\u2705 <strong>Request &amp; Response Transformation<\/strong> \u2192 Modify API requests\/responses using <strong>mapping templates<\/strong>.<br>\u2705 <strong>Mock Integration<\/strong> \u2192 Create test APIs without backend integration.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 Security &amp; Authentication<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>AWS IAM Authentication<\/strong> \u2192 Secure APIs using <strong>IAM roles &amp; policies<\/strong>.<br>\u2705 <strong>Amazon Cognito Integration<\/strong> \u2192 OAuth2-based authentication.<br>\u2705 <strong>API Keys &amp; Usage Plans<\/strong> \u2192 Control API access with <strong>API keys, rate limits, and quotas<\/strong>.<br>\u2705 <strong>Lambda Authorizers<\/strong> \u2192 Implement <strong>custom authentication logic<\/strong> (JWT, OAuth).<br>\u2705 <strong>AWS Web Application Firewall (WAF)<\/strong> \u2192 Protect APIs from <strong>DDoS attacks &amp; malicious traffic<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 Traffic Control &amp; Performance<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>Throttling &amp; Rate Limits<\/strong> \u2192 Prevent API overuse with <strong>per-method rate limits<\/strong>.<br>\u2705 <strong>API Gateway Caching<\/strong> \u2192 Store responses and <strong>reduce backend load<\/strong>.<br>\u2705 <strong>Latency-Based Routing<\/strong> \u2192 Route API requests to the <strong>nearest backend<\/strong> for performance.<br>\u2705 <strong>Request Validation<\/strong> \u2192 Validate API requests against <strong>schemas &amp; required parameters<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 Integration with AWS Services<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>AWS Lambda Integration<\/strong> \u2192 Create <strong>serverless<\/strong> APIs.<br>\u2705 <strong>Amazon DynamoDB Integration<\/strong> \u2192 Directly connect to <strong>DynamoDB<\/strong> tables.<br>\u2705 <strong>AWS Step Functions<\/strong> \u2192 Orchestrate complex workflows.<br>\u2705 <strong>Amazon S3, SNS, &amp; SQS Integration<\/strong> \u2192 Manage data, notifications, and queues.<br>\u2705 <strong>VPC Link<\/strong> \u2192 Securely connect API Gateway to <strong>private resources in a VPC<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 Monitoring &amp; Logging<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>AWS CloudWatch Logging<\/strong> \u2192 Track API requests, latencies, and errors.<br>\u2705 <strong>AWS X-Ray Tracing<\/strong> \u2192 Debug API requests with distributed <strong>tracing &amp; analysis<\/strong>.<br>\u2705 <strong>Access Logging<\/strong> \u2192 Capture detailed request logs for analytics.<br>\u2705 <strong>AWS CloudTrail<\/strong> \u2192 Monitor API configuration changes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 Cost Optimization &amp; Scalability<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>Auto Scaling<\/strong> \u2192 <strong>Handles millions of requests per second<\/strong> with built-in <strong>scaling<\/strong>.<br>\u2705 <strong>Pay-as-You-Go Pricing<\/strong> \u2192 No upfront costs; pay only for <strong>API calls &amp; data transfer<\/strong>.<br>\u2705 <strong>Multi-Region Deployment<\/strong> \u2192 Deploy APIs in multiple <strong>AWS regions<\/strong> for <strong>global availability<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 Developer-Friendly Features<\/strong><\/h3>\n\n\n\n<p>\u2705 <strong>SDK Generation<\/strong> \u2192 Generate SDKs for <strong>Java, JavaScript, Python, Ruby, iOS, Android<\/strong>.<br>\u2705 <strong>CORS (Cross-Origin Resource Sharing)<\/strong> \u2192 Enable cross-domain API access.<br>\u2705 <strong>GraphQL Support via AppSync<\/strong> \u2192 API Gateway can <strong>proxy requests<\/strong> to AWS AppSync.<br>\u2705 <strong>Multi-Tenant API Management<\/strong> \u2192 Manage API access for <strong>multiple users &amp; organizations<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udd39 Summary Table of API Gateway Features<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Feature Category<\/strong><\/th><th><strong>Key Features<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>API Types<\/strong><\/td><td>REST, HTTP, WebSocket<\/td><\/tr><tr><td><strong>Security<\/strong><\/td><td>IAM, Cognito, API Keys, WAF, Lambda Authorizers<\/td><\/tr><tr><td><strong>Performance<\/strong><\/td><td>Caching, Throttling, Latency-Based Routing<\/td><\/tr><tr><td><strong>Integrations<\/strong><\/td><td>Lambda, DynamoDB, S3, SNS, Step Functions<\/td><\/tr><tr><td><strong>Monitoring<\/strong><\/td><td>CloudWatch, X-Ray, CloudTrail, Access Logs<\/td><\/tr><tr><td><strong>Scalability<\/strong><\/td><td>Auto Scaling, Multi-Region Deployment<\/td><\/tr><tr><td><strong>Developer Tools<\/strong><\/td><td>SDK Generation, CORS, GraphQL Proxy<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 What is AWS API Gateway?<\/strong><\/h2>\n\n\n\n<p>AWS API Gateway allows you to create <strong>RESTful<\/strong>, <strong>HTTP<\/strong>, and <strong>WebSocket APIs<\/strong>. These APIs act as an <strong>entry point<\/strong> for applications, handling routing, authentication, monitoring, and security.<\/p>\n\n\n\n<p>\u2705 <strong>Use Cases:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Creating <strong>serverless<\/strong> applications with AWS Lambda.<\/li>\n\n\n\n<li>Exposing <strong>RESTful<\/strong> or <strong>WebSocket APIs<\/strong>.<\/li>\n\n\n\n<li>Handling API traffic at scale.<\/li>\n\n\n\n<li>Connecting <strong>mobile, web, and IoT applications<\/strong> to backend services.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 AWS API Gateway Features<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>1. API Management<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allows easy <strong>deployment<\/strong>, <strong>monitoring<\/strong>, and <strong>scaling<\/strong> of APIs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>2. Security &amp; Authentication<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Supports <strong>AWS IAM<\/strong>, <strong>Cognito<\/strong>, <strong>API Keys<\/strong>, and <strong>OAuth2<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>3. Traffic Management<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rate limiting<\/strong> and <strong>throttling<\/strong> to prevent API abuse.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>4. Integration with AWS Services<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Works with <strong>AWS Lambda, DynamoDB, EC2, SNS, Step Functions, S3<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>5. Request Transformation<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Modify API requests and responses<\/strong> using <strong>mapping templates<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>6. Monitoring &amp; Logging<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Integrated with <strong>CloudWatch<\/strong> for logging and analytics.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 <strong>7. Caching<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduces backend load<\/strong> by caching responses.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 Types of APIs in AWS API Gateway<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>API Type<\/th><th>Use Case<\/th><th>Cost<\/th><\/tr><\/thead><tbody><tr><td><strong>REST API<\/strong><\/td><td><strong>Fully managed RESTful API<\/strong> (supports API keys, IAM, OAuth2)<\/td><td><strong>High<\/strong><\/td><\/tr><tr><td><strong>HTTP API<\/strong><\/td><td><strong>Lightweight alternative to REST API<\/strong> (faster &amp; cheaper)<\/td><td><strong>Low<\/strong><\/td><\/tr><tr><td><strong>WebSocket API<\/strong><\/td><td><strong>Real-time, bidirectional communication<\/strong> (chat apps, live updates)<\/td><td><strong>Medium<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48619\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-1.52.44%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48619\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48617\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-1.53.19%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48617\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48618\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-1.55.15%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48618\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48622\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.29.28%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48622\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48621\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.29.43%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48621\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48620\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.29.51%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48620\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48624\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.30.00%E2%80%AFPM-1.png\" alt=\"\" class=\"wp-image-48624\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48623\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.30.11%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48623\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48625\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.30.19%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48625\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48626\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-4.30.29%E2%80%AFPM.png\" alt=\"\" class=\"wp-image-48626\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48627\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-11.38.14%E2%80%AFAM.png\" alt=\"\" class=\"wp-image-48627\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"48628\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2025\/02\/Screenshot-2025-02-26-at-11.39.06%E2%80%AFAM.png\" alt=\"\" class=\"wp-image-48628\"><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 How AWS API Gateway Works<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udccc Workflow<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A <strong>client<\/strong> (browser, mobile app) makes a request to API Gateway.<\/li>\n\n\n\n<li><strong>API Gateway routes the request<\/strong> to a backend service (AWS Lambda, EC2, DynamoDB).<\/li>\n\n\n\n<li>The <strong>backend processes the request<\/strong> and returns a response.<\/li>\n\n\n\n<li><strong>API Gateway formats the response<\/strong> and sends it to the client.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udccc Integration Types<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Integration Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><strong>AWS Lambda<\/strong><\/td><td>Serverless backend execution<\/td><\/tr><tr><td><strong>HTTP Backend<\/strong><\/td><td>Connects to external web services<\/td><\/tr><tr><td><strong>AWS Services<\/strong><\/td><td>Direct integration with <strong>DynamoDB, S3, SNS<\/strong><\/td><\/tr><tr><td><strong>Mock Integration<\/strong><\/td><td>Returns <strong>static responses<\/strong> for testing<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 Core Components of AWS API Gateway<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><strong>Resource<\/strong><\/td><td>Defines an endpoint (e.g., <code>\/users<\/code>, <code>\/orders<\/code>).<\/td><\/tr><tr><td><strong>Method<\/strong><\/td><td>HTTP methods (GET, POST, PUT, DELETE).<\/td><\/tr><tr><td><strong>Integration<\/strong><\/td><td>Connects API Gateway to a backend (Lambda, EC2).<\/td><\/tr><tr><td><strong>Stage<\/strong><\/td><td>API versions (<code>dev<\/code>, <code>staging<\/code>, <code>prod<\/code>).<\/td><\/tr><tr><td><strong>Usage Plan<\/strong><\/td><td>Defines API <strong>rate limits<\/strong> and <strong>quotas<\/strong>.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 Step-by-Step Guide: Creating an API in AWS API Gateway<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 1: Create an API<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Go to <strong>AWS Console \u2192 API Gateway<\/strong>.<\/li>\n\n\n\n<li>Click <strong>Create API<\/strong>.<\/li>\n\n\n\n<li>Select <strong>REST API<\/strong>, <strong>HTTP API<\/strong>, or <strong>WebSocket API<\/strong>.<\/li>\n\n\n\n<li>Click <strong>Build<\/strong>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 2: Create a Resource<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Click <strong>Actions \u2192 Create Resource<\/strong>.<\/li>\n\n\n\n<li>Enter a <strong>Resource Name<\/strong> (<code>\/users<\/code>).<\/li>\n\n\n\n<li>Click <strong>Create Resource<\/strong>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 3: Create a Method<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Select the resource (<code>\/users<\/code>).<\/li>\n\n\n\n<li>Click <strong>Create Method<\/strong> \u2192 Select <strong>GET<\/strong>.<\/li>\n\n\n\n<li>Choose <strong>Lambda Function<\/strong> as the integration type.<\/li>\n\n\n\n<li>Enter <strong>Lambda Function Name<\/strong>.<\/li>\n\n\n\n<li>Click <strong>Save<\/strong>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 4: Deploy the API<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Click <strong>Actions \u2192 Deploy API<\/strong>.<\/li>\n\n\n\n<li>Create a new <strong>Stage<\/strong> (<code>dev<\/code> or <code>prod<\/code>).<\/li>\n\n\n\n<li>Copy the <strong>Invoke URL<\/strong>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 5: Test the API<\/strong><\/h3>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">curl -X GET https:<span class=\"hljs-comment\">\/\/your-api-id.execute-api.us-east-1.amazonaws.com\/dev\/users<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 Integrating AWS Lambda with API Gateway<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 Create a Lambda Function<\/strong><\/h3>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> json\n\ndef lambda_handler(event, context):\n    <span class=\"hljs-keyword\">return<\/span> {\n        <span class=\"hljs-string\">\"statusCode\"<\/span>: <span class=\"hljs-number\">200<\/span>,\n        <span class=\"hljs-string\">\"body\"<\/span>: json.dumps({<span class=\"hljs-string\">\"message\"<\/span>: <span class=\"hljs-string\">\"Hello from Lambda!\"<\/span>})\n    }\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 Deploy API Gateway with Lambda<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Follow <strong>Step 6<\/strong> above and select <strong>Lambda Integration<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8\ufe0f\u20e3 Security: Authentication &amp; Authorization<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Security Method<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td><strong>API Keys<\/strong><\/td><td>Tracks API usage.<\/td><\/tr><tr><td><strong>IAM Roles<\/strong><\/td><td>Secure API with AWS IAM permissions.<\/td><\/tr><tr><td><strong>Amazon Cognito<\/strong><\/td><td>OAuth2 authentication.<\/td><\/tr><tr><td><strong>Lambda Authorizer<\/strong><\/td><td>Custom JWT validation.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9\ufe0f\u20e3 Monitoring &amp; Logging in API Gateway<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enable CloudWatch Logging<\/strong>: <code>aws logs tail \/aws\/api-gateway\/access-logs<\/code><\/li>\n\n\n\n<li>Use <strong>AWS X-Ray<\/strong> for tracing API calls.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udd1f AWS API Gateway Pricing<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>API Type<\/th><th>Free Tier<\/th><th>Cost<\/th><\/tr><\/thead><tbody><tr><td><strong>REST API<\/strong><\/td><td>1M requests\/month<\/td><td>$3.50 per million requests<\/td><\/tr><tr><td><strong>HTTP API<\/strong><\/td><td>1M requests\/month<\/td><td>$1.00 per million requests<\/td><\/tr><tr><td><strong>WebSocket API<\/strong><\/td><td>1M messages\/month<\/td><td>$1.00 per million messages<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e31\ufe0f\u20e3 Best Practices for API Gateway<\/strong><\/h2>\n\n\n\n<p>\u2705 <strong>Use API Caching<\/strong> to improve performance.<br>\u2705 <strong>Enable API Key Throttling<\/strong> to prevent abuse.<br>\u2705 <strong>Use AWS WAF<\/strong> for security.<br>\u2705 <strong>Monitor logs using CloudWatch<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e32\ufe0f\u20e3 Hands-on AWS API Gateway Tutorials<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tutorial<\/th><th>Link<\/th><\/tr><\/thead><tbody><tr><td><strong>Create a REST API with Lambda Integration<\/strong><\/td><td><a href=\"https:\/\/docs.aws.amazon.com\/apigateway\/latest\/developerguide\/getting-started.html\" target=\"_blank\" rel=\"noopener\">AWS Docs<\/a><\/td><\/tr><tr><td><strong>Secure API with Cognito<\/strong><\/td><td><a href=\"https:\/\/docs.aws.amazon.com\/apigateway\/latest\/developerguide\/apigateway-integrate-with-cognito.html\" target=\"_blank\" rel=\"noopener\">AWS Guide<\/a><\/td><\/tr><tr><td><strong>Enable Logging with CloudWatch<\/strong><\/td><td><a href=\"https:\/\/docs.aws.amazon.com\/apigateway\/latest\/developerguide\/set-up-logging.html\" target=\"_blank\" rel=\"noopener\">AWS Guide<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e33\ufe0f\u20e3 Common API Gateway Errors &amp; Troubleshooting<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Error<\/th><th>Solution<\/th><\/tr><\/thead><tbody><tr><td><code>403 Forbidden<\/code><\/td><td>Check <strong>IAM permissions<\/strong>.<\/td><\/tr><tr><td><code>Execution failed due to configuration error<\/code><\/td><td>Verify <strong>Lambda function integration<\/strong>.<\/td><\/tr><tr><td><code>Too Many Requests (429)<\/code><\/td><td>Increase <strong>throttling limits<\/strong>.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udccc List of Services AWS API Gateway Can Integrate With (50+ Examples)<\/strong><\/h3>\n\n\n\n<p>AWS API Gateway can integrate with a <strong>wide range of AWS and third-party services<\/strong>. Below is a comprehensive list of at least <strong>50 integrations<\/strong>, categorized into <strong>AWS services<\/strong> and <strong>external (non-AWS) services<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udd39 1\ufe0f\u20e3 AWS Services That Integrate with API Gateway<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Compute &amp; Serverless<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>AWS Lambda<\/strong> \u2192 Run serverless APIs.<\/li>\n\n\n\n<li><strong>Amazon EC2<\/strong> \u2192 Direct API calls to virtual machines.<\/li>\n\n\n\n<li><strong>AWS App Runner<\/strong> \u2192 Run containerized applications.<\/li>\n\n\n\n<li><strong>AWS Batch<\/strong> \u2192 Trigger batch processing jobs.<\/li>\n\n\n\n<li><strong>AWS Fargate<\/strong> \u2192 Run APIs for serverless containers.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Storage &amp; Databases<\/strong><\/h3>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li><strong>Amazon S3<\/strong> \u2192 Expose S3 bucket objects via API.<\/li>\n\n\n\n<li><strong>Amazon DynamoDB<\/strong> \u2192 CRUD operations on NoSQL database.<\/li>\n\n\n\n<li><strong>Amazon RDS<\/strong> \u2192 Connect to MySQL, PostgreSQL, or other managed databases.<\/li>\n\n\n\n<li><strong>Amazon Aurora<\/strong> \u2192 API Gateway can access Aurora databases.<\/li>\n\n\n\n<li><strong>Amazon Redshift<\/strong> \u2192 Query large-scale data warehouses.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Networking &amp; Security<\/strong><\/h3>\n\n\n\n<ol start=\"11\" class=\"wp-block-list\">\n<li><strong>AWS WAF<\/strong> \u2192 Protect APIs from DDoS attacks.<\/li>\n\n\n\n<li><strong>Amazon VPC<\/strong> \u2192 Private API connectivity.<\/li>\n\n\n\n<li><strong>AWS Direct Connect<\/strong> \u2192 Secure on-premise integrations.<\/li>\n\n\n\n<li><strong>AWS Shield<\/strong> \u2192 DDoS protection for APIs.<\/li>\n\n\n\n<li><strong>AWS CloudFront<\/strong> \u2192 Content delivery network (CDN) for APIs.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Machine Learning &amp; AI<\/strong><\/h3>\n\n\n\n<ol start=\"16\" class=\"wp-block-list\">\n<li><strong>Amazon SageMaker<\/strong> \u2192 Deploy machine learning models via API.<\/li>\n\n\n\n<li><strong>Amazon Comprehend<\/strong> \u2192 Perform NLP (Natural Language Processing) tasks.<\/li>\n\n\n\n<li><strong>Amazon Rekognition<\/strong> \u2192 Image &amp; video analysis via API.<\/li>\n\n\n\n<li><strong>Amazon Lex<\/strong> \u2192 Integrate chatbots and voice recognition.<\/li>\n\n\n\n<li><strong>Amazon Polly<\/strong> \u2192 Convert text to speech via API.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Monitoring &amp; Logging<\/strong><\/h3>\n\n\n\n<ol start=\"21\" class=\"wp-block-list\">\n<li><strong>AWS CloudWatch<\/strong> \u2192 Monitor API calls and errors.<\/li>\n\n\n\n<li><strong>AWS X-Ray<\/strong> \u2192 Trace API requests end-to-end.<\/li>\n\n\n\n<li><strong>AWS CloudTrail<\/strong> \u2192 Track API activity logs.<\/li>\n\n\n\n<li><strong>AWS Config<\/strong> \u2192 Manage API compliance &amp; configurations.<\/li>\n\n\n\n<li><strong>Amazon Kinesis<\/strong> \u2192 Stream API event data in real-time.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>DevOps &amp; Developer Tools<\/strong><\/h3>\n\n\n\n<ol start=\"26\" class=\"wp-block-list\">\n<li><strong>AWS CodePipeline<\/strong> \u2192 Automate API deployments.<\/li>\n\n\n\n<li><strong>AWS CodeBuild<\/strong> \u2192 Automate API testing &amp; builds.<\/li>\n\n\n\n<li><strong>AWS CodeDeploy<\/strong> \u2192 Manage rolling updates of APIs.<\/li>\n\n\n\n<li><strong>AWS CloudFormation<\/strong> \u2192 Infrastructure as Code (IaC) for API Gateway.<\/li>\n\n\n\n<li><strong>AWS SAM (Serverless Application Model)<\/strong> \u2192 Deploy serverless APIs.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Messaging &amp; Event-Driven Integrations<\/strong><\/h3>\n\n\n\n<ol start=\"31\" class=\"wp-block-list\">\n<li><strong>Amazon SNS (Simple Notification Service)<\/strong> \u2192 Send alerts via API.<\/li>\n\n\n\n<li><strong>Amazon SQS (Simple Queue Service)<\/strong> \u2192 Queue messages for backend processing.<\/li>\n\n\n\n<li><strong>Amazon EventBridge<\/strong> \u2192 Route API events to other AWS services.<\/li>\n\n\n\n<li><strong>AWS Step Functions<\/strong> \u2192 Orchestrate workflows triggered via API Gateway.<\/li>\n\n\n\n<li><strong>Amazon MQ<\/strong> \u2192 API-driven message broker.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Identity &amp; Access Management<\/strong><\/h3>\n\n\n\n<ol start=\"36\" class=\"wp-block-list\">\n<li><strong>AWS IAM (Identity &amp; Access Management)<\/strong> \u2192 Secure API access.<\/li>\n\n\n\n<li><strong>AWS Cognito<\/strong> \u2192 Implement authentication &amp; OAuth2 for APIs.<\/li>\n\n\n\n<li><strong>AWS Secrets Manager<\/strong> \u2192 Store API credentials securely.<\/li>\n\n\n\n<li><strong>AWS Certificate Manager (ACM)<\/strong> \u2192 Manage SSL\/TLS certificates for APIs.<\/li>\n\n\n\n<li><strong>Amazon Resource Access Manager (RAM)<\/strong> \u2192 Share API Gateway resources across accounts.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udd39 2\ufe0f\u20e3 External (Non-AWS) Services That Can Integrate with API Gateway<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Cloud &amp; SaaS Platforms<\/strong><\/h3>\n\n\n\n<ol start=\"41\" class=\"wp-block-list\">\n<li><strong>Google Cloud Functions<\/strong> \u2192 API Gateway as a frontend for Google Cloud functions.<\/li>\n\n\n\n<li><strong>Microsoft Azure Functions<\/strong> \u2192 API Gateway calling Azure services.<\/li>\n\n\n\n<li><strong>IBM Cloud<\/strong> \u2192 API Gateway integrating IBM Watson AI APIs.<\/li>\n\n\n\n<li><strong>Salesforce<\/strong> \u2192 API Gateway exposing Salesforce APIs.<\/li>\n\n\n\n<li><strong>ServiceNow<\/strong> \u2192 API Gateway interacting with ServiceNow ITSM.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Databases &amp; Storage<\/strong><\/h3>\n\n\n\n<ol start=\"46\" class=\"wp-block-list\">\n<li><strong>MongoDB Atlas<\/strong> \u2192 Connect NoSQL databases with APIs.<\/li>\n\n\n\n<li><strong>PostgreSQL (Google Cloud SQL, AWS RDS, DigitalOcean)<\/strong> \u2192 API Gateway querying PostgreSQL databases.<\/li>\n\n\n\n<li><strong>Elasticsearch (Elastic Cloud, OpenSearch)<\/strong> \u2192 API Gateway interacting with search &amp; analytics.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Payment &amp; Finance<\/strong><\/h3>\n\n\n\n<ol start=\"49\" class=\"wp-block-list\">\n<li><strong>Stripe<\/strong> \u2192 API Gateway handling payments via Stripe.<\/li>\n\n\n\n<li><strong>PayPal<\/strong> \u2192 API Gateway integrating PayPal transactions.<\/li>\n\n\n\n<li><strong>Plaid<\/strong> \u2192 Banking &amp; financial data APIs through API Gateway.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Authentication &amp; Identity Management<\/strong><\/h3>\n\n\n\n<ol start=\"52\" class=\"wp-block-list\">\n<li><strong>Okta<\/strong> \u2192 API Gateway handling OAuth2 authentication via Okta.<\/li>\n\n\n\n<li><strong>Auth0<\/strong> \u2192 Secure API access with Auth0 authentication.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Collaboration &amp; Productivity<\/strong><\/h3>\n\n\n\n<ol start=\"54\" class=\"wp-block-list\">\n<li><strong>Slack<\/strong> \u2192 API Gateway triggering Slack bots &amp; notifications.<\/li>\n\n\n\n<li><strong>Zoom<\/strong> \u2192 API Gateway calling Zoom API for video conferencing.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 <strong>Social Media &amp; Marketing<\/strong><\/h3>\n\n\n\n<ol start=\"56\" class=\"wp-block-list\">\n<li><strong>Facebook Graph API<\/strong> \u2192 API Gateway fetching Facebook data.<\/li>\n\n\n\n<li><strong>Twitter API<\/strong> \u2192 API Gateway interacting with Twitter data.<\/li>\n\n\n\n<li><strong>Google Ads API<\/strong> \u2192 API Gateway managing ad campaigns.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\ude80 Summary Table: AWS API Gateway Integrations<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Category<\/strong><\/th><th><strong>Services<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Compute &amp; Serverless<\/strong><\/td><td>Lambda, EC2, Fargate, Batch<\/td><\/tr><tr><td><strong>Storage &amp; Databases<\/strong><\/td><td>S3, DynamoDB, RDS, Aurora<\/td><\/tr><tr><td><strong>Networking &amp; Security<\/strong><\/td><td>VPC, WAF, Shield, Direct Connect<\/td><\/tr><tr><td><strong>Machine Learning &amp; AI<\/strong><\/td><td>SageMaker, Rekognition, Polly<\/td><\/tr><tr><td><strong>Monitoring &amp; Logging<\/strong><\/td><td>CloudWatch, X-Ray, CloudTrail<\/td><\/tr><tr><td><strong>DevOps &amp; Automation<\/strong><\/td><td>CodePipeline, SAM, CloudFormation<\/td><\/tr><tr><td><strong>Messaging &amp; Events<\/strong><\/td><td>SNS, SQS, EventBridge, Step Functions<\/td><\/tr><tr><td><strong>Identity &amp; Authentication<\/strong><\/td><td>IAM, Cognito, Okta, Auth0<\/td><\/tr><tr><td><strong>Payment &amp; Finance<\/strong><\/td><td>Stripe, PayPal, Plaid<\/td><\/tr><tr><td><strong>Social Media &amp; SaaS<\/strong><\/td><td>Facebook API, Twitter API, Slack, Salesforce<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udd39 Conclusion<\/strong><\/h2>\n\n\n\n<p>AWS API Gateway is <strong>highly flexible<\/strong> and can integrate with <strong>over 50+ AWS and non-AWS services<\/strong>. Whether you&#8217;re building <strong>serverless APIs, authentication layers, payment processing, or real-time applications<\/strong>, API Gateway is a powerful choice.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udccc List of Features of AWS API Gateway AWS API Gateway offers a wide range of features for creating, deploying, securing, and monitoring APIs. Below is a comprehensive list of&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-48613","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/48613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=48613"}],"version-history":[{"count":4,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/48613\/revisions"}],"predecessor-version":[{"id":58908,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/48613\/revisions\/58908"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=48613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=48613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=48613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}