What is SMS TPS? Throughput-Per-Second Explained
SMS TPS — transactions / messages per second — explained for Indian SMS workloads. How TPS is allocated, why it matters at sale-day, and how to size for OTP traffic.
How to Choose an OTP Provider as an Indian Startup (2026)
A founder's checklist for picking an OTP / SMS API provider in India: pricing model, DLT requirements, integration time, support, and a decision matrix.
How to Reduce Your SMS OTP Costs in India (Without Losing Reliability)
Tactics that cut SMS OTP spend by 30–70% in India: rate limits, idempotency, retry control, fallback channels, and choosing the right provider.
What is an SMS Gateway? How It Works (Indian Context, 2026)
SMS gateway explained: how messages travel from your application to the user’s phone, the role of SMPP, aggregators and DLT in India, and how SMS gateways differ from SMS APIs.
Monitoring OTP Health: SLOs, Error Budgets, and Alerts
Define SLOs for OTP send and verify paths and monitor TRAI-compliant transactional SMS health—not just API uptime—for Indian peak traffic.
Pay-as-You-Go Wallet Billing for SMS OTP APIs in INR
Why prepaid wallet models work for Indian developers, how to forecast OTP spend, and how INR billing compares to DLT registration costs for SMS OTP.
SMS Provider Migration Checklist for Devs
Step-by-step checklist for migrating from one SMS or OTP provider to another. Covers API abstraction, testing, gradual rollout, monitoring, and rollback planning.
Build a SaaS Product with OTP Auth
Technical guide for SaaS founders on implementing OTP authentication. Covers architecture, UX design, cost projections, scaling, and integration with StartMessaging API.
OTP API Pricing in India: 2026 Cost Guide
Detailed 2026 pricing comparison of OTP APIs in India. Compare per-OTP costs, hidden fees, DLT charges, volume discounts, and billing models across top providers.
Earn with SMS API Referrals: Complete Guide
Complete guide to StartMessaging referral program. Earn per-message commissions by referring developers and businesses. Learn strategies to maximize your referral income.
Start an SMS Reselling Business in India
Learn how to start a profitable SMS reselling business in India. Covers business model, margins, client acquisition, legal setup, and leveraging referral programs.
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