Kakao vs WhatsApp

Investor Presentation Released: Kakao

AI parsed presentation narrative: Kakao is driving growth through its high-margin advertising business and expanding its AI-integrated ecosystem while simultaneously executing a significant efficiency-focused restructuring. The company is focusing on its core 'Talk Biz' advertising and commerce products to improve operating margins while navigating a period of traffic stabilization in its content divisions. Key tailwinds mentioned: Feed-based Advertising Adoption, Fintech and Mobility Growth.

Kaia: Merged Klaytn–Finschia EVM Layer‑1 for Developers

Kaia is an EVM-compatible Layer 1 blockchain formed in August 2024 by merging Klaytn (Kakao's chain) and Finschia (LINE's chain). Kaia uses BFT proof-of-stake consensus with ~1-second block times and immediate finality (no reorgs) and retains chain ID 8217. It exposes both the standard eth_* JSON-RPC namespace (recommended for Ethereum tooling) and the legacy klay_* namespace for Kaia-native features. A standout protocol feature is fee delegation, which lets a separate fee-payer account sponsor gas to enable gasless UX via Kaia-native transaction types built with the Kaia SDK. SwiftNodes provides a flat-rate Kaia RPC endpoint (HTTP + WebSocket) for developers to connect to the network.

• Kaia was formed in August 2024 by merging Klaytn and Finschia.
• Kaia mainnet uses chain ID 8217 (inherited from Klaytn).
• Consensus is BFT proof-of-stake with ~1-second block times and immediate finality (no reorgs).

Meta launches WhatsApp Business MCP server for AI agents

Meta has introduced a new Model Context Protocol (MCP) server, the WhatsApp Business Tools MCP, enabling AI coding agents like Claude, Cursor, Codex, and ChatGPT to automate the setup and management of WhatsApp Business messaging. This addresses the previously cumbersome process that required developers to navigate multiple tools. With this MCP server, AI agents can handle tasks such as creating the business account, verifying phone numbers, registering for Cloud API access, and managing messaging templates. They can also test webhooks and monitor compliance-related issues like Terms of Service and payment methods. The initiative is part of Meta's broader expansion of MCP servers, which now also include ones for ad management and app configuration.

• Meta launched the WhatsApp Business Tools MCP server on September 15, 2026.
• The MCP server allows AI agents like Claude, Cursor, Codex, and ChatGPT to manage WhatsApp Business setup.
• AI agents can automate creating the WhatsApp Business account, phone number verification, and Cloud API registration.

WhatsApp Tests Support for Up to Three Accounts on iOS

WhatsApp, a Meta-owned messaging app, is reportedly testing an extension of its multi-account feature for iOS, allowing users to manage up to three accounts on a single device. The feature was spotted in the TestFlight beta version iOS 26.37.10.15, indicating it's currently available only to early testers. This would build upon the existing two-account support and could benefit social media managers and business users by enabling them to handle multiple personal and professional accounts without needing a second device. The report comes from WABetaInfo, a publisher specialized in WhatsApp updates. No official release date has been announced.

• WhatsApp is testing support for up to three accounts on iOS devices.
• The feature was discovered in the TestFlight beta version iOS 26.37.10.15.
• Currently, WhatsApp allows only two accounts per device on both Android and iOS.

WhatsApp Testing Guest Calls, Event Hub, Restricted Chats

WhatsApp is developing three new features: guest calls allowing people without a WhatsApp account to join voice and video calls via browser links, a centralized Event Hub for managing events and sharing invitations with non-users, and Restricted Chat to protect private conversations from access via linked devices and AI agents. The features were discovered by WABetaInfo in beta versions for iOS and Android. Guest calls, currently in development, would let iOS users create call links that guests can open in a browser without installing the app, with end-to-end encryption maintained. The Event Hub, found in Android beta, aggregates event creation, management, and responses, and allows sharing event links with non-WhatsApp users. Restricted Chat, also in Android beta, builds on Advanced Chat Privacy to prevent chat export, automatic media saving, sharing with Meta AI, and access from linked devices. Rollout dates are not yet announced.

• WABetaInfo discovered guest calls in WhatsApp Beta 26.36.10.71 for iOS, allowing people without accounts to join calls via browser links.
• WhatsApp introduced guest calls for iOS, but the feature is still in development and not available to beta testers yet.
• WABetaInfo found the Event Hub in WhatsApp Beta 2.26.36.5 for Android, centralizing event management and allowing sharing event links with non-users.