- Apr 14, 2026
- Date parsed from source:Apr 14, 2026
- First seen by Releasebot:Apr 21, 2026
Create and send newsletters via API
Customer.io now lets API developers programmatically create and send newsletters, streamlining external content workflows.
API DEVELOPERS
MESSAGING
You can now programmatically create and send newsletters from our API! This can help streamline your workflow if you create content outside Customer.io.
You can create and send a newsletter in a single request, or use the Send a newsletter and Schedule a newsletter endpoints when a draft is ready. You can pass optional rate limits on both calls.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
UI refresh: your new Home dashboard
Customer.io improves workspace UI with a revamped Home dashboard and more organized navigation.
UI IMPROVEMENTS
Your workspace has a new look and feel! You’ll see a revamped Home dashboard and a more organized navigation menu.
From the Home dashboard, you can see message performance at a glance and take action on your workspace. Pick up where you last left off or select a suggested action to get started.
Original source All of your release notes in one feed
Join Releasebot and get updates from Customer.io and hundreds of other software products.
- Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
The agent: your personal assistant in Customer.io
Customer.io introduces its new AI agent, a bigger, safer upgrade to the former AI Assistant. It can create campaigns, draft emails, analyze performance, and automate recurring Routines like deliverability checks and segment audits, with permissions and approval flows built in.
AI
If you’ve used our AI assistant in the past, you’ll notice it’s had a glow-up. It’s now called the agent and it can act as your coworker in Customer.io.
In the past, our AI Assistant was limited to specific tools. But the new agent can do just about anything you can do in Customer.io. It can create campaigns, draft emails, analyze campaign performance, and more. It can even learn from you and get better over time!
You can also set up Routines to automate recurring tasks—things like checking your deliverability, auditing segments, and more.
And while we’ve expanded the agent’s capabilities, we’ve also given it guardrails to make sure it works safely. It’s limited to your permissions, and it has approval flows to make sure it doesn’t do things you don’t want it to do.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
Search your workspace with ⌘K
Customer.io adds keyboard shortcut search with AI-ranked results for faster workspace navigation.
UI IMPROVEMENTS
Now it’s easier to find what you need in Customer.io without clicking through menus. Press ⌘K (or Ctrl+K on Windows/Linux) from anywhere in your workspace to instantly search for campaigns, segments, templates, broadcasts, and more. AI-enhanced ranking surfaces the most relevant results—even if you don’t type an exact match.
Note that this feature does not search for people, objects, or their data. To find people, you’ll continue to use the activity log, people page, or segments.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
New dashboard: track the health of your workspace & troubleshoot issues
Customer.io adds a Workspace Performance dashboard to monitor data, troubleshoot issues, and optimize workspace health.
DATA INTEGRATIONS
Go to the Workspace Performance dashboard to check the status of your workspace and monitor incoming data and outgoing messages. Use this dashboard to locate and troubleshoot performance issues.
You can also use this dashboard to optimize your workspace before issues arise! Go to Manage > Workspace performance to get started.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
Goals: measure success across workflows
Customer.io adds Messaging Goals to track outcomes like purchases and upgrades across campaigns and broadcasts.
MESSAGING
Goals let you define specific outcomes you’re optimizing for—a purchase, a subscription upgrade, etc.—and measure achievement across campaigns and broadcasts.
Unlike campaign-specific conversion goals, you can now track outcomes that span multiple workflows to help you more holistically strategize around your messaging and data.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
Generate data & decisions with LLM actions in campaigns
Customer.io adds Admin Billing AI LLM actions to prompt models, store outputs, and personalize campaigns using AI credits.
ADMIN BILLING
AI
LLM actions let you prompt an AI model and store the output as attributes for use later in a campaign. They use AI credits, a new currency in your account.
You can use LLM actions to personalize messages, enrich data, and create conditions to help you reach the right audience.
Each time an LLM action runs, it uses AI credits. Learn more in Billing.
Original source - Apr 8, 2026
- Date parsed from source:Apr 8, 2026
- First seen by Releasebot:Apr 8, 2026
Customer.io’s biggest product release: AI Agent, WhatsApp, LINE, and more!
Customer.io releases eight new capabilities across AI, measurement, UI, data integrations, and messaging.
ADMIN BILLING
AI
DATA INTEGRATIONS
MESSAGING
UI IMPROVEMENTS
We’ve released eight new capabilities—AI-powered intelligence, outcome-first measurement, a redesigned experience, and expanded channel reach—that don’t just expand what you can do, but change what’s possible.
Original source - Apr 2, 2026
- Date parsed from source:Apr 2, 2026
- First seen by Releasebot:Apr 3, 2026
Channel-based subscription preferences
Customer.io adds channel-based subscription preferences, letting audiences subscribe or unsubscribe from email, SMS, or push independently of topic preferences for more flexible subscription control.
MESSAGING
Your audience can now subscribe or unsubscribe from individual messaging channels—like email, SMS, or push notifications—independent of topic preferences. Now people can choose not just the kinds of messages they want to receive, but also the channels they want to receive them on, so they’re less likely to unsubscribe all together.
Channel preferences add a new layer of subscription control to your subscription center. Where topic preferences let people choose what they hear about, channel preferences let them choose how they receive messages.
You can set up channel-based subscription preferences for any messaging channel you have enabled in your workspace. Go to the docs
Original source - Mar 30, 2026
- Date parsed from source:Mar 30, 2026
- First seen by Releasebot:Apr 1, 2026
- Modified by Releasebot:Apr 3, 2026
Send in-app tooltips to educate your audience
Customer.io adds a new Tooltip display type for web in-app messages to anchor contextual help to page elements.
MESSAGING
We’ve added a new Tooltip display type for Web-based in-app messages that anchors your message to a specific element on a page, like a button, menu item, or feature you want to draw attention to. With tooltips, you can provide contextual help, educate your audience about new features, and help orient new users.
Read more
Original source - Mar 30, 2026
- Date parsed from source:Mar 30, 2026
- First seen by Releasebot:Mar 31, 2026
- Modified by Releasebot:Apr 3, 2026
Live preview for in-app messages
Customer.io adds Live Preview for in-app messages, letting teams see and adjust them in real time before sending.
MESSAGING
Our new Live Preview makes it easy to see and adjust your in-app messages in real time, so you can make sure they look and behave the way you want them to before you send them to your audience.
Click Live Preview when working on your in-app message to get started. We’ll open your website in a new window where you can see and adjust your message in real time.
Go to the docs
Original source - Mar 30, 2026
- Date parsed from source:Mar 30, 2026
- First seen by Releasebot:Mar 31, 2026
Automate domain warming with Daily ramp for newsletters
Customer.io adds daily ramp periods for newsletter rate limits and extends newsletter send time to 60 days for easier domain warming.
MESSAGING
You can now set a daily ramp period when rate limiting newsletters, which gradually increases your send volume over multiple days to warm up your sending domain.
Previously, you could only set a fixed send rate for newsletters—a consistent number of messages per minute, hour, or day. If you needed to warm up a domain, you had to manually create separate newsletters for each period of your warm-up schedule. Now, domain warming is less manual and easier to set up!
We’ve also increased the maximum newsletter send time to 60 days to give you more room for gradual warming and large sends.
Original source - Mar 29, 2026
- Date parsed from source:Mar 29, 2026
- First seen by Releasebot:Mar 31, 2026
Domain setup made easy
Customer.io adds Automatic setup for email domains, connecting to DNS providers to configure records for you.
MESSAGING
Our new Automatic setup option makes it easy to set up your email domains in Customer.io. Powered by Entri, automatic setup connects to your DNS provider and configures your records for you, so you don’t have to go through the hassle of manually copying records to your DNS provider.
Entri supports over 50 DNS providers, including GoDaddy, Namecheap, Cloudflare, and Amazon Route 53.
Original source - Mar 23, 2026
- Date parsed from source:Mar 23, 2026
- First seen by Releasebot:Mar 25, 2026
Multiple custom short link domains
Customer.io adds up to 10 custom short link domains per workspace for branded SMS and WhatsApp messages.
MESSAGING
You can now add up to 10 custom short link domains per workspace for SMS and WhatsApp messages. Now you can use different, branded links depending on the kind of message you want to send.
This is especially useful if you manage multiple brands, want to rotate domains, or want to separate domains by message type.
Original source - Mar 19, 2026
- Date parsed from source:Mar 19, 2026
- First seen by Releasebot:Mar 20, 2026
Rate limiting now available for multi-language newsletters
Customer.io adds send rate limiting for translated newsletters to help control delivery speed and protect deliverability.
MESSAGING
We’ve removed a long-standing pain point that prevented you from limiting the send rate for translated newsletters! Rate limiting lets you control how quickly your newsletters go out, which can help reduce the load on your downstream systems and maintain deliverability, so we want to make sure you can limit sends when it makes sense for your business. On the Review step of a newsletter, you can now turn on the toggle Limit send rate when your newsletter has multiple language variants.
Go to the docs
Original source