Engineering & Product

OneSend2U Blog

Insights on building a provider-agnostic communications platform, lessons learned from enterprise messaging, and deep dives into the architecture decisions behind OneSend2U.

Architecture

Why we're building a provider-agnostic CPaaS

The messaging market is dominated by single-provider platforms. We explain why we believe the future belongs to provider-agnostic architectures and how the strategy pattern enables true provider flexibility without code changes.

Coming soon
Cost analysis

The true cost of SMS: what your provider is not telling you

SMS pricing varies dramatically by country, provider, and volume. We break down the hidden costs behind messaging — from segment splitting to carrier fees — and show how per-message cost tracking changes the equation.

Coming soon
Reliability

One template, every channel: how channel-aware rendering works

Sending the same notification through SMS, Email and WhatsApp without rewriting copy three times? We walk through how channel-aware templates work — one template, automatically rendered per channel with the right formatting and limits.

Coming soon
Migration

From Twilio-only to multi-provider: a migration playbook

Many teams start with a single provider and eventually need to diversify. We share a step-by-step playbook for migrating from a Twilio-only setup to a multi-provider architecture, including template mapping and parallel testing.

Coming soon