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Chumbaq
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What shipped

Everything we've built, newest first.

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  1. SDKs on the public registries

    • SDKs
    • Flutter on pub.dev (chumbaq), iOS through Swift Package Manager, Android on Maven Central (com.chumbaq) and the web SDK on npm (@chumbaq/sdk), all at 0.1.0.
    • All four SDKs are open source under the Apache 2.0 licence.

  2. WhatsApp

    • WhatsApp
    • Journeys
    • Send WhatsApp template messages through Meta's Cloud API, Twilio, Gupshup or Interakt.
    • WhatsApp steps in journeys, with delivered, read and failed statuses on each campaign.

  3. Email and SMS

    • Email
    • SMS
    • Email through your own Amazon SES, Resend or Brevo account, with unsubscribe links and bounce handling.
    • SMS through your own Twilio account, with delivery status from Twilio's callbacks.

  4. Audience builder and starter templates

    • Segments
    • Push
    • In-app
    • A visual audience builder for segments.
    • Seven starter templates for push, with a live device preview, and seven for in-app messages.
    • Web push engagement is now reported, so web click-through rates are real.
    • A staged push composer: audience, message, schedule, review.

  5. Journey builder

    • Journeys
    • Build journeys in the dashboard: trigger, wait, branch, send, exit.
    • Segments record when someone entered, so journeys can re-enrol them.
    • Countdowns in push can run from each send.

  6. Journeys engine, carousels and countdowns

    • Journeys
    • Push
    • The journey runner that moves people through each step.
    • Carousel and countdown push on iOS and Android.

  7. Channel credentials and reachability

    • Push
    • APNs direct, and one screen for every channel's credentials.
    • Chumbaq records why a token stopped being reachable and shows it in push settings.
    • Target specific devices from the composer, for testing.

  8. The push rebuild

    • Push
    • A/B tests
    • A/B tests with a control group, with an experiment editor and results.
    • Send-time optimisation from each recipient's own click history.
    • Quiet hours and same-local-time delivery on each recipient's clock.
    • Frequency caps, recurring campaigns and delivery throttling.
    • Action buttons, deep links, silent push and web push.
    • Push copy in each recipient's own language, per variant.
    • Reusable templates and personalised copy.

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