Newsletter intelligence dalam Bahasa Indonesia. Track 30k Substack signal di 8 frequency band. Velocity, niche taxonomy, growth signature.
Mau tahu newsletter siapa yang naik di niche AI/tech, tapi gak ada portal yang nunjukin time-series.
→ Lettrum nge-scan Substack tiap minggu. Ranking by velocity bukan absolute subs.
Cari kompetitor newsletter yang audience-nya overlap.
→ Klik station, lihat 4 adjacent station di band yang sama dengan signal serupa.
Substack /discover cuma 30 kategori manual. Saya butuh "AI newsletter founded < 1 year, growing > 50%".
→ Niche taxonomy AI-classified, Tuner control geser dari wide-band scan ke deep-band.
Saya VC scout / agency content — butuh weekly digest "who is rising" 5 menit konsumsi.
→ Movers digest mingguan via email. Top rising + top fading per band.
30k publications, 8 bands, ranked by signal strength dan velocity.
Tiap station punya phosphor trace unik dari 24-week history.
Email Senin pagi: top rising + fading per band, 5 menit konsumsi.
Discovery cluster — newsletter dengan signal serupa.
Programmatic access untuk AI agents.
Akses selamanya. Fitur baru otomatis muncul.
Sekali bayar. Akses selamanya. Bukan langganan.
SECURE PAYMENT · ACCOUNT AUTO-PROVISIONED
Daily scrape 02:00 UTC. Velocity 4w di-recompute setiap Senin pagi WIB.
~30,000 saat ini, growth fokus tech/AI/finance/creator. Niche lain via recommendation graph BFS.
substackapi.com snapshot saja; Lettrum 24+ minggu time-series, niche taxonomy AI-classified, lifetime IDR pricing.
Rate-limit sopan, fallback ke Common Crawl + cross-platform (beehiiv, Ghost) kalau perlu.
Top 100 global view free. Per-band leaderboard, > 30d history, dan movers digest hanya untuk Pro.
START NOW · NOT TOMORROW
SEKALI BAYAR. AKSES SELAMANYA. · 7-DAY REFUND