- Featuredocs.customer.io
Customer.io adds transactional WhatsApp messaging support
Customer.io introduced transactional WhatsApp messaging, requiring pre-approved WhatsApp templates and a dedicated API endpoint. Users must enable WhatsApp in their workspace, create approved template…
- Featuredocs.customer.io
Support in-app messages for multiple mobile apps in the same workspace
Customer.io introduced support for in-app messages across multiple mobile apps within the same workspace, requiring an SDK update. Users must consolidate apps to a single workspace only after most dev…

- Integrationdocs.customer.io
Customer.io launches Slack agent integration for AI workflows
Customer.io introduced a Slack app for its AI agent, allowing team members to interact with the agent directly in Slack threads. The integration respects existing permissions and guardrails, supports …
- Featuredocs.customer.io
Customer.io adds AI-powered recommended send time for emails
Customer.io introduced an AI-driven feature to recommend optimal send times for emails based on audience time zones, requiring AI settings activation. The feature supports both one-time sends and auto…
- Featuredocs.customer.io
Customer.io expands AI features with agent, CLI, MCP, and workflow tools
Customer.io introduced multiple AI-powered features, including an AI agent for workspace tasks, a CLI for AI coding assistants, and MCP integration for tools like Claude and ChatGPT. The platform now …
- Featuredocs.customer.io
Customer.io launches advanced inbox with custom JSON payloads and SDK support
Customer.io introduced an advanced inbox feature allowing developers to build and render their own notification inbox UI using raw JSON payloads fetched via SDK. Unlike standard in-app messages, inbox…
- Featuredocs.customer.io
Release notes
Customer.io introduced over ten new features, including geofencing for location-based messaging, support for multiple SMS providers (Sinch, Infobip, Vonage), reusable knowledge sources for LLM actions…

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