Fastly API
Programmable CDN and edge cloud platform with a REST API for managing CDN services, VCL configurations, edge compute (Compute@Edge with Wasm/WASI), purging, and real-time analytics.
Best When
You're a large-scale web application requiring programmable edge logic, custom caching strategies, and API-driven CDN configuration with real-time purging.
Avoid When
You need a simple, low-cost CDN without custom edge logic or VCL expertise.
Use Cases
- • Programmatic cache purging by URL, surrogate key, or tag from deployment pipelines
- • Deploying and configuring VCL (Varnish Configuration Language) edge logic via API
- • Managing WAF rules and security configurations programmatically
- • Configuring edge compute (WebAssembly) deployments for custom request handling
- • Retrieving real-time CDN traffic analytics and cache hit ratios
Not For
- • Teams needing a simple plug-and-play CDN without VCL knowledge
- • Small traffic volumes where Cloudflare or Bunny.net is sufficient
- • Static asset hosting only (overkill; use S3 + CloudFront)
Alternatives
Full Evaluation Report
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Scores are editorial opinions as of 2026-03-01.