Learn · every claim sourced

Understand CPaaS, step by step

Plain-language guides, use cases and research from the community, with a source for every claim. New here? Begin with the five short reads below.

ExplainerFoundation10 min read

In-app chat 101: conversations inside your own product

In-app chat puts messaging inside your own mobile or web app through an SDK: support chat between customers and your team, and chat between your users in marketplaces and communities. You keep the context, the design and the data, and you also take on what platforms usually carry for you: moderation, safety and data rules.

13 October 2026· 21 sources
ExplainerFoundation10 min read

Push notifications 101: alerts people allowed

Push notifications are short alerts from your own app or website, carried by the platforms' notification services (Apple's APNs, Google's FCM, Huawei's Push Kit and the browsers' push services). Sending is free or nearly free; the real price is permission, which people can refuse or withdraw at any time.

13 October 2026· 23 sources
ExplainerFoundation4 min read

Consent is a data model, not a checkbox

A single yes/no field cannot answer the questions a regulator or a customer will ask — when, for what, on which channel, and how. A simple ledger can, and it keeps more customers reachable.

27 September 2026· 4 sources
ExplainerFoundation5 min read

The five layers of a communications stack, and which one you are actually shopping for

Most evaluations compare transport — getting a message to a phone — which is the commodity layer. The four layers above it are where programmes succeed or fail, and where switching gets expensive.

15 September 2026
ExplainerFoundation4 min read

Peer-to-peer video: what it removes, and what it does not

For small calls, a media server is optional. When it stops being optional — and what a hosted video service gives you in exchange for its price — is the whole decision.

12 September 2026· 2 sources
ExplainerFoundation4 min read

WebRTC in plain terms

What the browser gives you for free, what it does not, the three acronyms you cannot avoid, and where the real costs and support load sit.

6 September 2026· 3 sources