S3 API

Cloud / Storage

Amazon Web Services

Industry-standard object storage with 11 nines durability, lifecycle policies, and event notifications

Reported Latency

Typical performance from public reports -- not live measurements

Average: 65ms
p50
45ms
p95
150ms
p99
300ms

Reliability

99.99%observed uptime

Pricing

Free tier

5 GB storage, 20,000 GET, 2,000 PUT/month

Paid starts at

$0.023 / GB / month

Technical Details

Authentication

AWS Signature V4

Rate limit

5,500 GET/s, 3,500 PUT/s per prefix

Protocols

REST

SDKs

Python (boto3)Node.jsJavaGo.NETRubyPHP

Regions

US EastUS WestEUAsia-PacificMiddle EastAfrica
DocumentationBase URL

Last updated: 2026-04-12