.env.example

# ─── Anthropic (required) ──────────────────────────────────────────────────
# Used by /api/parse to extract structured data from uploaded invoice PDFs.
# Get one at https://console.anthropic.com/settings/keys
ANTHROPIC_API_KEY=sk-ant-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

# ─── Redis (optional — per-IP rate limiting) ───────────────────────────────
# If a URL + token are set, /api/parse rate-limits each IP (5 requests / 10 min).
# If they're missing, rate limiting FAILS OPEN (a warning is logged) so the app
# still runs locally without a Redis instance.
#
# "Redis on Vercel" is Upstash, provisioned through the Vercel Marketplace
# (Vercel's old first-party KV was deprecated). The code accepts EITHER naming,
# so you don't have to rename anything:
#
#   • Provisioned at https://console.upstash.com/redis  → use the UPSTASH_ vars
#   • Provisioned via the Vercel dashboard (Storage tab) → Vercel auto-injects
#     KV_REST_API_URL / KV_REST_API_TOKEN; nothing to set by hand.
#
# For local dev, set the UPSTASH_ pair (copied from either provider's console):
UPSTASH_REDIS_REST_URL=https://your-db.upstash.io
UPSTASH_REDIS_REST_TOKEN=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

# Alternatively, the Vercel Marketplace naming also works:
# KV_REST_API_URL=https://your-db.upstash.io
# KV_REST_API_TOKEN=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx