Stack0 CLI

npm install -g @stack0/cli
# or
bun add -g @stack0/cli
 
# Or run it without installing
npx @stack0/cli --help

stack0 auth login                          # device flow, opens the browser
stack0 auth login --api-key sk_live_...    # save a key instead
export STACK0_API_KEY=sk_live_...          # per-shell, nothing written to disk
 
stack0 auth whoami                         # active identity, key masked
stack0 auth status                         # auth + config summary and config path
stack0 auth logout                         # clear stored credentials

# Send a plain-text email
stack0 mail send --from you@yourdomain.com --to user@example.com \
  --subject "Welcome" --text "Thanks for signing up!"
 
# Send HTML from a file — prefix the path with @
stack0 mail send --from you@yourdomain.com --to user@example.com \
  --subject "Welcome" --html @./welcome.html
 
# Upload to the CDN and transform on the way out
stack0 cdn upload ./logo.png --folder brand --project my-project
stack0 cdn transform asset_123 --width 400 --format webp
 
# Capture a page, or queue it and return a job ID immediately
stack0 screenshots capture https://example.com --full-page --format webp
stack0 screenshots capture https://example.com --no-wait
 
# Schema-driven extraction
stack0 extraction extract https://example.com/product \
  --mode schema --schema @./product-schema.json
 
# Run a workflow
stack0 workflows run wf_123

stack0 mail list --json | jq '.[].id'

import Stack0 from "@stack0/sdk";
 
const stack0 = new Stack0({ apiKey: process.env.STACK0_API_KEY });
await stack0.mail.send({ from, to, subject, text });