DEVELOPER GUIDEHow to build a reliable WhatsApp message queue
Bound concurrency, preserve ordering where needed and make failures visible to an operator.
Developer guide for a message queue. Validate the behavior in your own stack before production rollout.The problem
Partition by connection or recipient when ordering matters and apply workspace/provider rate limits.
Design the boundary
Use exponential backoff with jitter for retryable failures and a dead-letter state for permanent failures.
Retry what can recover; dead-letter what cannot.Process the interaction
Pause a partition when the linked session is unhealthy; resume only after reconciliation.
Measure the outcome
Measure queue age, send latency, retry rate and dead-letter volume.
BUILD IT SAFELYMake the failure path part of the design.
Reliable messaging is an operational system, not only an API call.
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