I’m rolling out a series of marketing campaigns built around timely event announcements and I need a reliable SMS gateway configured from the ground up. The core objective is straightforward: every contact on my list must receive crisp, compliant text alerts the moment a new event goes live. Here’s what I already know and where I need your expertise: • Purpose & traffic: The gateway will be used exclusively for marketing-driven blasts—specifically event announcements—so throughput, sender reputation, and opt-out handling all matter. • Personalization: I’m still weighing whether to merge contact names or custom fields into each message. Your advice on the pros, cons, and technical approach (e.g., dynamic templates vs. plain sends) will help me decide. • Tech stack flexibility: I’m open to Twilio, Vonage, Plivo, or another platform you can justify on cost, delivery rates, and ease of scaling. REST APIs, webhooks, and any required authentication flows should be wired up cleanly so my team can trigger sends from our existing CRM. • Reporting & compliance: Delivery receipts, failure logs, and opt-out tracking must surface in a simple dashboard or exportable report so we stay in line with carrier regulations and GDPR/CTIA guidelines. Deliverables I expect from you: 1. End-to-end gateway configuration (sender IDs, callback URLs, webhook security). 2. Sample code or Postman collection that shows exactly how to fire an event announcement. 3. Brief walkthrough documentation covering personalization options, rate limits, and compliance checks. If you’ve deployed SMS campaigns at scale and can move quickly, let’s talk details and timings.