Castby WAYVZ
Channels

Every channel your customers use, in one platform.

One inbox and one API across SMS, WhatsApp, Voice, RCS, Email, Push, and OTT chat. SMS and WhatsApp are priced per message and voice per minute; the other channels are included during the pilot program. Switch channels without switching tools.

SMS

Direct operator connections where we hold them, delivered worldwide via partner networks. OTP, campaigns, and notifications on one API.

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WhatsApp

Direct Meta WhatsApp Cloud API access. Templates, rich media, catalogs, and a unified inbox with optional AI agent replies. Connect your own WhatsApp Business account.

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Voice

Programmable voice and IVR on a SIP trunk we provision, or your own telephony account. Text-to-speech in Arabic, call masking, and voice OTP.

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RCS

Rich, branded messaging on Android with read receipts, carousels, and suggested replies, wherever carriers support it. Built against Google’s RBM interface; needs your approved RBM agent.

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Email

Transactional and marketing email with open and click tracking, all attributed alongside your other channels. Built; sending needs your own sending domain and an email provider account.

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Push

Web and mobile push notifications for re-engagement, tied into the same journeys and audience segments. Built; needs your Firebase key and your app calling Cast’s device API.

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Web chat

Drop a chat widget on your site or app and route conversations into the same inbox as every other channel.

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Messenger & Instagram

Reply to Messenger and Instagram DMs from the same unified inbox your team already uses. Built; needs Meta app review for your pages.

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Telegram & Viber

Reach OTT chat audiences alongside WhatsApp, without a separate tool. Built; connect your own bot or Public Account. Not yet verified against a live account.

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LINE & Zalo

Reply to customers on LINE and Zalo Official Accounts from the same inbox, with consent handled the way each platform expects. Built; connect your own Official Account. Not yet verified against a live account.

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Direct operator connections where we hold them Delivered worldwide via partner routes One API, SMS and WhatsApp priced per message

Pick the channels your customers actually use.

Start with SMS or WhatsApp. The other channels are built into the console and are switched on per account, using your own provider accounts where one is needed. TikTok and Apple Messages for Business are in beta.