CDN & Edge Computing AWS Signature Version 4

AWS CloudFront REST API

Global CDN and edge computing for fast content delivery

AWS CloudFront is Amazon's globally distributed content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers with low latency and high transfer speeds. Developers use CloudFront to accelerate website performance, stream media content, and deploy serverless applications at the edge with Lambda@Edge. The API provides comprehensive control over distribution configurations, cache behaviors, invalidations, and real-time analytics.

Base URL https://cloudfront.amazonaws.com/2020-05-31

API Endpoints

Method	Endpoint	Description
POST	`/distribution`	Create a new CloudFront distribution for content delivery
GET	`/distribution/{DistributionId}`	Get configuration details for a specific distribution
GET	`/distribution`	List all CloudFront distributions in your account
PUT	`/distribution/{DistributionId}/config`	Update distribution configuration including cache behaviors and origins
DELETE	`/distribution/{DistributionId}`	Delete a disabled CloudFront distribution
POST	`/distribution/{DistributionId}/invalidation`	Create cache invalidation request to purge specific objects
GET	`/distribution/{DistributionId}/invalidation/{InvalidationId}`	Get status and details of a cache invalidation request
GET	`/distribution/{DistributionId}/invalidation`	List all invalidation requests for a distribution
POST	`/origin-access-identity/cloudfront`	Create origin access identity for private S3 content delivery
GET	`/origin-access-identity/cloudfront/{Id}`	Get configuration for a specific origin access identity
POST	`/function`	Create a CloudFront Function for edge customization
PUT	`/function/{FunctionName}/config`	Update CloudFront Function code and configuration
GET	`/distribution/{DistributionId}/monitoring-subscription`	Get real-time metrics and monitoring configuration
POST	`/streaming-distribution`	Create RTMP streaming distribution for media content
GET	`/distribution/{DistributionId}/tags`	List all tags associated with a CloudFront distribution

Code Examples

curl -X POST https://cloudfront.amazonaws.com/2020-05-31/distribution \
  -H 'Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20230615/us-east-1/cloudfront/aws4_request, SignedHeaders=host;x-amz-date, Signature=...' \
  -H 'Content-Type: application/xml' \
  -d '<?xml version="1.0" encoding="UTF-8"?>
<DistributionConfig>
  <CallerReference>unique-ref-2023</CallerReference>
  <Origins>
    <Quantity>1</Quantity>
    <Items>
      <Origin>
        <Id>S3-my-bucket</Id>
        <DomainName>my-bucket.s3.amazonaws.com</DomainName>
        <S3OriginConfig>
          <OriginAccessIdentity></OriginAccessIdentity>
        </S3OriginConfig>
      </Origin>
    </Items>
  </Origins>
  <DefaultCacheBehavior>
    <TargetOriginId>S3-my-bucket</TargetOriginId>
    <ViewerProtocolPolicy>redirect-to-https</ViewerProtocolPolicy>
    <MinTTL>0</MinTTL>
  </DefaultCacheBehavior>
  <Enabled>true</Enabled>
</DistributionConfig>'

const AWS = require('aws-sdk');
const cloudfront = new AWS.CloudFront({
  region: 'us-east-1',
  accessKeyId: 'AKIAIOSFODNN7EXAMPLE',
  secretAccessKey: 'wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY'
});

const params = {
  InvalidationBatch: {
    CallerReference: `invalidation-${Date.now()}`,
    Paths: {
      Quantity: 2,
      Items: ['/images/*', '/css/style.css']
    }
  },
  DistributionId: 'E1234EXAMPLE'
};

cloudfront.createInvalidation(params, (err, data) => {
  if (err) console.error(err);
  else console.log('Invalidation created:', data.Invalidation.Id);
});

import boto3
from datetime import datetime

client = boto3.client('cloudfront',
    aws_access_key_id='AKIAIOSFODNN7EXAMPLE',
    aws_secret_access_key='wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY',
    region_name='us-east-1'
)

response = client.create_invalidation(
    DistributionId='E1234EXAMPLE',
    InvalidationBatch={
        'Paths': {
            'Quantity': 2,
            'Items': ['/images/*', '/css/style.css']
        },
        'CallerReference': f'invalidation-{datetime.now().timestamp()}'
    }
)

print(f"Invalidation ID: {response['Invalidation']['Id']}")
print(f"Status: {response['Invalidation']['Status']}")

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create_distribution Create and configure a new CloudFront distribution with custom cache behaviors and origins

invalidate_cache Purge cached content from edge locations by creating invalidation requests for specific paths

get_distribution_metrics Retrieve real-time performance metrics including requests, bytes transferred, and error rates

update_cache_behavior Modify cache TTL settings, compression, and viewer protocol policies for distributions

manage_origin_access Create and configure origin access identities for secure S3 bucket access

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AWS CloudFront REST API

API Endpoints

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Code Examples

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