Twilio3 min readrelease notesintermediate
Twilio’s 2026 Heightened Awareness Period: Ensuring Reliable Messaging for Peak Season
Summary
Twilio will run two Heightened Awareness Periods (Nov 2‑4 2026 for U.S. midterms and Nov 19 2026‑Jan 4 2027 for BFCM/holiday) to shift high‑volume short‑code and toll‑free traffic to market‑throughput mode, keeping messages out of carrier queues. Most users need no action; high‑volume senders should contact their account team and complete supplemental order forms by the listed deadlines to lock i…
- Twilio’s HAPs temporarily move short‑code and toll‑free traffic to Market Throughput, while 10DLC stays on Account‑Based Throughput and RCS on per‑sender limits.
- Only accounts that receive a direct email will have custom adjustments; all others continue with existing limits.
- High‑volume senders must engage their Twilio account team early (by early‑Oct for elections, early‑Oct for BFCM) and submit supplemental order forms to secure guaranteed throughput.
- Carrier approval for new RCS senders can take 4‑8 weeks; Fast Track is available on request.
During election and holiday spikes, carrier networks can become congested, causing message delays that affect time‑critical communications (e.g., OTPs, alerts, promotional offers). Proactive throughput management helps maintain delivery speed and reliability for large‑scale A2P campaigns.
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