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ArchitectureJuly 10, 20269 min read

One API for Email and WhatsApp: the architecture behind fast delivery

How Zindua unifies transactional email and WhatsApp into one send pipeline with queueing, retries, and consistent logs.

One API for Email and WhatsApp: the architecture behind fast delivery

Why one endpoint matters

Most teams end up maintaining two flows: one for transactional email and another for WhatsApp notifications. That split creates duplicate validation, duplicate retries, and fragmented observability.

Zindua keeps a single contract around /api/v1/send so your backend can switch channel by changing one field instead of adopting a second SDK and second set of failure modes.

How delivery stays resilient

Incoming payloads are validated before entering queueing. Invalid template slugs, malformed phone numbers, and missing variables fail fast with clear errors.

Successful requests are queued with metadata that allows retries and tracing without leaking secret credentials into client code.

  • Request validation before queue insert
  • Unified status model across channels
  • Traceable log IDs for each message
  • Deterministic retries for transient failures

Operational outcomes for teams

A single API shortens onboarding for new engineers and reduces integration drift between products. Your support team gets one log stream instead of multiple disconnected tools.

From launch to scale, product teams keep one mental model while still sending through the channels users actually read.

Quick start from this article

Get started with HTTP

Try your first request using the canonical endpoint.

Open guide

Smoke test with CLI

Validate API key and channel health from terminal.

npx @zindua/cli@latest doctor

Read full delivery flow

See queue, dispatch, and tracking internals.

Open guide

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