HTTP verbs are best understood as describing the style of interaction with the resource: - GET/HEAD: read-only, cacheable - POST: side-effects, can be repeated

HTTP verbs are best understood as describing the style of interaction with the resource: - GET/HEAD: read-only, cacheable - POST: side-effects, can be repeated, but not idempotent - DELETE: destructive side-effects, idempotent, no real response - PUT: creative side-effects, idempotent, can return the new resource