WhatsApp Business terms, explained plainly.

BSP · Business Solution Provider

A company that has been approved by Meta to provide access to the WhatsApp Business API. Zonnex is a BSP.

Cloud API · WhatsApp Cloud API

Meta's hosted version of the WhatsApp Business API. No servers needed — Meta manages the infrastructure. This is what Zo...

Conversation · Conversation (Meta billing)

Meta bills by conversation, not by individual message. A conversation is a 24-hour window of messages between a business...

DPDP · Digital Personal Data Protection Act (India)

India's personal data protection law, enacted in 2023. Governs how businesses collect, store, and use personal data. Rel...

Embedded signup · Embedded Signup

A Meta feature that lets businesses connect their WhatsApp number to the API within a third-party platform, without leav...

Green tick · WhatsApp Verified Business badge

The blue/green verified badge shown next to a business name in WhatsApp. Applied for through Meta separately from API ac...

HSM · Highly Structured Message

The older term for what Meta now calls message templates. You may still see HSM in API documentation.

MAU · Monthly Active User

Some providers price by MAU — the number of unique contacts you message in a month. Zonnex prices by message category in...

Opt-in · WhatsApp opt-in

Explicit permission from a customer to receive business-initiated WhatsApp messages. Required by Meta's policy before se...

Quality rating · WhatsApp Quality Rating

Meta rates your number green (good), yellow (medium), or red (at risk). Ratings below green restrict your messaging volu...

Service window · 24-hour service window

When a customer sends you a message, you have a 24-hour window to reply with any message (not just templates) for free....

Tech Provider · Meta Tech Provider

An advanced BSP tier. Tech Providers can run embedded signup so businesses connect their number without leaving the prov...

Template · Message Template

A pre-approved message format required for business-initiated conversations. Templates must be approved by Meta before t...

WABA · WhatsApp Business Account

The Meta-managed account that links a business phone number to the WhatsApp Business Platform. One WABA can have multipl...