Customer.io
Customer engagement platform for personalized journeys and business outcomes
- Paid· from $100/month
- API Available
What is Customer.io?
Customer.io is a Campaign Generation tool. Customer engagement platform for personalized journeys and business outcomes. Customer.io is a paid tool, starting at $100/month. It is aimed at marketing teams and customer support teams.
Customer.io is a customer engagement platform that enables personalized journeys and better business outcomes across multiple channels including email, push, SMS, and in-app messaging. It unifies data, messaging, and AI to enhance customer interactions over time.
Built for marketing teams and customer support teams.
Key capabilities
Features
Marketing Automation
Visual Workflow Builder
Multi-Channel Automations
Transactional Messages
Automation Triggers
Broadcasts
A/B Testing
Time Delays
Branches
Mobile SDKs
Queue Drafts
Subscription Center
Use cases
- Create personalized customer journeys across multiple channels
- Automate transactional message sending
- Run A/B tests for campaign optimization
- Schedule messages with time delays
- Manage user subscription preferences
Who it's for
Pros & cons
Pros
- Public API available
- API rate limits documented
- ISO 27001 certification
- SSO and 2-factor authentication
Cons
- No free plan available
Pricing
Paid — paid plans start at $100/month.
| Plan | Price |
|---|---|
| Essentials | $100 / month |
| Premium | $1,000 / month |
| Enterprise | Custom |
Developer & API
Public REST API available
- SDKs
- JavaScript SDK, -g, Python, JavaScript, Node.js, Java, Go
- Webhooks
- Supported
Security & compliance
- SOC 2
- ISO 27001
- GDPR
- HIPAA
- SSO
- Two-factor authentication
As stated on Customer.io's website — not independently verified by AiByts.
FAQ
What is Customer.io?
Customer.io is a Campaign Generation tool. Customer engagement platform for personalized journeys and business outcomes. Customer.io is a customer engagement platform that enables personalized journeys and better business outcomes across multiple channels including email, push, SMS, and in-app messaging. It unifies data, messaging, and AI to enhance customer interactions over time.
Is Customer.io free?
No, Customer.io is a paid tool.
How much does Customer.io cost?
Customer.io offers 3 plans: Essentials ($100 / month), Premium ($1,000 / month) and Enterprise (Custom).
Does Customer.io have an API?
Yes, Customer.io offers a public REST API with webhooks for building custom integrations.
Who should use Customer.io?
Customer.io is built for marketing teams and customer support teams. Common uses: create personalized customer journeys across multiple channels, automate transactional message sending, run A/B tests for campaign optimization and schedule messages with time delays.
What does Customer.io integrate with?
Customer.io integrates with HubSpot, Salesforce, Facebook, Snowflake, Google Cloud, Typeform and Google Ads.
What are the best alternatives to Customer.io?
Similar tools on AiByts include SendX, Jobber AI Receptionist, BrandJet AI, Holo and LnkFlow.
Details are compiled from Customer.io's website and public sources, last verified Oct 4, 2026. Features and pricing change — confirm on the official site before you buy.
Try Customer.io
Paid · from $100/month
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