How To Upload A File To Amazon S3 Using Rest Api

Amazon S3, known for its cost-effectiveness and high durability, can store objects using various methods, including the REST API, which is useful for scenarios requiring lightweight clients, HTTP-only integration, fine-grained request control, or avoidance of AWS credential distribution. The blog explores three popular REST API approaches for uploading files to S3: utilizing presigned URLs with API Gateway, using API Gateway as a proxy, and employing CloudFront with Lambda@Edge. Presigned URLs allow direct uploads to S3 without exposing AWS credentials, API Gateway as a proxy simplifies API configuration by forwarding requests directly to backends, and CloudFront with Lambda@Edge offers low-latency, customized responses by running code at AWS edge locations. Additionally, the Keploy platform is highlighted as a tool for generating API test cases without coding, facilitating API testing in CI/CD pipelines. The overarching goal is to select the appropriate AWS service for specific use cases to maintain a simple, efficient, and cost-effective application architecture.

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