API Gateway AWS labs step by step

 

1. Create an API

• Navigate to API Gateway Console: In the AWS Management Console, search for "API Gateway" and select the service.
• Create API: Click "Create API".
• Choose API Type: Select the desired API type (e.g., REST API, WebSocket API).
• Configure API:
  • Name: Provide a meaningful name.
  • Description: Provide an optional description.
• Create API: Click "Create API".

AWS API Gateway Console showing the creation of an API

2. Create a Resource

• Select API: Choose the newly created API.
• Create Resource: Click "Actions" -> "Create Resource".
• Configure Resource:
  • Resource path: Specify the path for the resource (e.g., "/hello").
• Create Resource: Click "Create Resource".

AWS API Gateway Console showing the creation of a resource

3. Create a Method

• Select Resource: Choose the newly created resource.
• Create Method: Click "Actions" -> "Create Method".
• Choose Method: Select the HTTP method (e.g., GET, POST).
• Configure Method:
  • Integration type: Choose the integration type (e.g., Lambda function).
  • Integration configuration: Configure the integration with your Lambda function.
• Create Method: Click "Create Method".

AWS API Gateway Console showing the creation of a method

4. Configure the Method

• Select Method: Choose the newly created method.
• Configure Method:
  • Authorization: Configure authorization settings (e.g., API key, IAM authorization).
  • Request validation: Configure request validation settings.
  • Integration: Configure the integration with your Lambda function (if applicable).
• Save: Click "Save".

AWS API Gateway Console showing the configuration of a method

5. Deploy the API

• Select API: Choose the API you want to deploy.
• Deploy API: Click "Actions" -> "Deploy API".
• Choose Stage: Choose the stage for deployment (e.g., "dev", "prod").
• Deploy: Click "Deploy".

AWS API Gateway Console showing the deployment of an API

6. Test the API

• Invoke API: Use a tool like Postman or curl to invoke the API.
• Verify Response: Verify that the API returns the expected response.

terminal showing the invocation of an API using curl

7. Additional Considerations

• API Types: Choose the appropriate API type based on your workload requirements (e.g., REST, WebSocket).
• Integration: Integrate with various backend services like Lambda, HTTP endpoints, or AWS Step Functions.
• Authorization: Implement appropriate authorization mechanisms to secure your API.
• Monitoring: Use API Gateway metrics and logging to monitor performance and usage.