Customer.io
Customer.io provides a unified customer engagement platform combining first-party data, cross-channel messaging (email, push, in-app, SMS, WhatsApp), and an AI Agent, serving 9,000+ brands globally via tiered SaaS pricing from $100/month Essentials to quote-based Enterprise contracts.
- Company typePrivate
- Founded2012
- HeadquartersPortland, United States
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
What Customer.io does
Customer.io (Peaberry Software, Inc.) is a privately held, venture-backed customer engagement software company headquartered in Beaverton, Oregon (with offices in Portland and New York), founded in 2012 and operating at 251–500 employees. It sells a unified SaaS platform that combines first-party data ingestion, real-time behavioral segmentation, cross-channel messaging orchestration, and an embedded AI Agent into a single workflow layer. The product surface comprises interconnected modules — Journeys (visual workflow builder with branching logic and LLM Actions), Audiences (real-time segmentation, identity resolution, ad audience sync), Data & integrations (reverse ETL / Data Pipelines with US and EU data residency), Design Studio (Parcel-based visual and code email editor with accessibility and spam checks), Analytics (revenue attribution, A/B and cohort testing), and the AI Agent (persistent-memory intelligence layer) — supported by SDKs, a public API, webhooks, and a Model Context Protocol (MCP) server for agentic tool interoperability. Channels span email, push notifications, in-app messages, SMS (via Twilio), and WhatsApp, with the platform reporting 100B+ messages and 60B+ webhooks in 2025, 99.98% uptime, and 99% customer satisfaction.
The company serves roughly 9,000+ brands globally, with named customers spanning enterprise (Notion, IMAX, Lemonade, Mailgun, Mapbox, Mixpanel, Segment, PillPack/Amazon, Angi, ZEN.COM), mid-market (Buffer, Monarch Money, Descript, Attio, Codecademy, Studocu, BallerTV, Bamboo, Pawp), and startup (Cursor, Lovable, Wispr Flow, vibe.co, billie). Revenue comes primarily from tiered subscription SaaS (Essentials at $100/month, Premium at $1,000/year entry, and quote-based Enterprise multi-year contracts) supplemented by usage-based overages (additional profiles, emails, and $10 per 100K AI credits), a freemium 14-day trial with no credit card, a 12-month free Startup Program for companies raised under $10M, and indirect channel revenue via agency partners and Google Cloud marketplace. Distribution is hybrid: product-led self-serve for Essentials plus a demo-driven, sales-assisted motion for Premium and Enterprise, supported by dedicated Customer Success Managers, Technical Implementation Specialists, and a 90-day onboarding program. Strategic milestones include a $5M crowdfunding round on Republic in August 2021, a Series A led by Spectrum Equity in March 2022, and the August 2022 acquisition of Parcel; ongoing investment is directed at the AI Agent, MCP interoperability, and additional messaging channels. The platform is SOC 2 Type II, GDPR, HIPAA, and CCPA compliant, with EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Framework certifications supporting regulated and enterprise adoption.
Customer.io firmographics
Firmographics- Name
- Customer.io
- Legal name
- Peaberry Software Inc.
- Website
- https://customer.io
- Company type
- Private
- Founded year
- 2012
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Customer.io provides a unified customer engagement platform combining first-party data, cross-channel messaging (email, push, in-app, SMS, WhatsApp), and an AI Agent, serving 9,000+ brands globally via tiered SaaS pricing from $100/month Essentials to quote-based Enterprise contracts.
- Ownership category
- akta.pro rank
Customer.io industry classification
Industry- Product category
- Customer Engagement Platform
- NAICS
- Advertising Agencies (541810), Custom Computer Programming Services (541511), Direct Mail Advertising (541860)
- SIC
- Services-Computer Programming Services (7371), Services-Prepackaged Software (7372), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Marketing Automation Platforms & Services (BPAFAFAC)
- akta.pro secondary industries
- Software/SaaS Subscriptions (Consumer & Prosumer) (CRAFAIAB), Digital Goods, Subscriptions & Gift Card Marketplaces (BPAMAGAG)
Keywords
Where Customer.io is headquartered
LocationHeadquarters
- HQ city
- Portland
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Customer.io business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations
Revenue model
- Subscription SaaS fees (Essentials, Premium, Enterprise tiers): Tiered recurring subscription plans (Essentials monthly billing; Premium and Enterprise annual billing) based on profile volume, email volume, channels, and features included.
- Usage-based overages (profiles, emails, AI credits): Usage charges on top of subscription: $0.009 per additional people/object profile, $0.12 per additional 1,000 emails, and $10 per 100K additional AI credits. SMS volume is also custom-priced by usage.
- Startup Program (freemium / promotional credits): 12 months free for early-stage companies raised under $10M, plus Promotional Credit Terms governing issued credits.
- Agency partner and Google Cloud marketplace resales: Indirect channel revenue via agency partners and ability to purchase Customer.io through Google Cloud credits.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Essentials: data-driven messaging for teams getting started; 5k profiles, 1M emails, 2 object types, AI Agent core skills |
| Subscription | Annual | Premium: scaling across channels with custom workflows, HIPAA available |
| Subscription | Multi-year contract | Enterprise: dedicated infrastructure, support, and governance |
| Usage-based | Pay-as-you-go | Usage overages and AI credits |
| Freemium | Pay-as-you-go | 14-day free trial (no credit card) and Startup Program (12 months free) |
Go-to-market motion5 records
Distribution channels5 records
Marketing channels11 records
Customer.io product offering
Product offeringCore offering
Customer.io is a unified customer engagement platform that turns first-party behavioral data into personalized cross-channel messaging across email, push, in-app, SMS, and WhatsApp. It combines real-time segmentation, a visual Journeys workflow builder, a Parcel-based Design Studio, Data Pipelines (reverse ETL) and integrations, revenue attribution analytics, and an AI Agent with persistent memory for end-to-end campaign execution. The platform is sold via tiered SaaS subscriptions (Essentials, Premium, Enterprise) with usage-based overages, a 14-day free trial, and a 12-month-free Startup Program.
Product overview
Customer.io offers a single, unified customer engagement platform (not a multi-product portfolio) that integrates data, messaging, and AI into a single orchestration layer, composed of several interconnected modules that share the same underlying profile, event, and segmentation model. The core platform encompasses Journeys (cross-channel campaign orchestration with a visual workflow builder and LLM Actions), Audiences (real-time data-driven segmentation and ad audience sync), Data & integrations (a Customer Data Platform with reverse ETL and pre-built connectors), Design Studio (email and message content creation with drag-and-drop and code editors), Analytics (revenue attribution, A/B testing, and AI-powered insights), and the AI Agent (a unified intelligence layer with persistent memory that executes end-to-end tasks across all modules). Supporting features include Email Marketing, In-App Messages, Push Notifications, SMS Marketing, WhatsApp Marketing, Webhooks, Custom Objects, Anonymous Messages, Data Activation, Data Warehouse destinations, and the acquired Parcel email coding platform. The modules share common capabilities like a global people/universal profile, unlimited behavioral conditions, US/EU data residency, and MCP/API/webhook extensibility, allowing teams to launch campaigns faster and adapt without limits.
Differentiator
Problem solved
Functional benefit
Products and services
- Customer.io Platform
- Journeys Visual workflow builder for creating data-driven cross-channel campaigns across email, push, in-app, SMS, and webhooks, with branching logic, multivariate testing, send-time optimization, and LLM Actions.
- Audiences Data-driven segmentation engine using real-time customer data and unlimited behavioral conditions for recipient lists, campaign triggers, filters, and conversion goals, including AI-powered segment builder and ad audience sync to Meta and Google.
- Data & Integrations (Data Pipelines) Customer Data Platform that unifies, enriches, and activates customer data via reverse ETL, pre-built integrations, APIs, SDKs, webhooks, data replay, detailed event logs, and US/EU data center residency.
- Design Studio Email and message content creation environment combining drag-and-drop visual tools and a developer code editor, with Global Styles, reusable components, version control, MJML support, integrated accessibility checks, and AI-assisted styling and translation.
- Analytics Revenue attribution, A/B and cohort testing, conversion goals, deliverability and workspace health monitoring, dashboards, and AI-powered performance analysis with deduplicated people-based tracking.
- AI Agent Cross-platform AI intelligence layer with persistent memory of brand voice, goals, and preferences that builds campaigns, analyzes performance, and drafts improvements from a single conversation; available in beta with Standard, Elevated, or Custom session limits by tier.
- Parcel Email Coding Platform Email coding platform acquired in August 2022 and integrated as the default email editor in Customer.io, offering a design system approach, collaboration tools, and an expanded free plan to support email creators.
Quantifiable outcome
- Buffer: 28% increase in click-through rates and 22% increase in email conversion rates
- +7 more outcomes
Companies that use Customer.io
Customer profileNamed customers52 records
Segments5 records
Ideal customer profiles4 records
Customer.io technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration19 records
AI capability12 records
Feature8 records
Customer.io partnerships and signals
Strategic signalPartnerships
18 partnerships are on record, tiered flagship and core.
- ParcelflagshipCustomer.io acquired Parcel in August 2022. Parcel's coding platform for creating emails was integrated as the default email editor inside Customer.io, bringing design-system and collaboration features to email development, plus an expanded free plan for email creators.
- Amazon S3coreFeatured integration that streams Customer.io data (messages, people, metrics) into Amazon S3 storage for downstream analytics.
- AmplitudecoreFeatured integration combining Amplitude's product analytics data with Customer.io user and analytics data to enhance audience insights.
- SalesforceflagshipFeatured integration syncing customer data and triggering personalized campaigns based on sales activities, deal stages, and CRM updates across sales and marketing funnels.
- Facebook Lead AdscoreFeatured integration syncing Customer.io data with Facebook campaigns to convert leads to customers.
- Google AdsflagshipFeatured integration that automatically exports Customer.io segments as audiences for Google's ad networks, including lookalike and retargeting campaigns.
- MixpanelcoreFeatured integration leveraging Mixpanel analytics in combination with user and analytics data in Customer.io for deeper audience behavior understanding.
- SnowflakeflagshipFeatured integration transferring Customer.io data (messages, people, metrics) into Snowflake via Amazon S3 or Google Cloud Project storage for warehouse analytics.
- TwilioflagshipFeatured integration enabling Twilio's SMS action within Customer.io for seamless customer communications.
- TypeformcoreFeatured integration connecting Typeform forms to Customer.io workspaces to add people automatically and trigger campaigns based on form submissions.
- SegmentflagshipFeatured integration functioning as both destination and source, filtering and mapping event and attribute data through Segment.
- HubSpotflagshipFeatured integration connecting HubSpot CRM data to Customer.io for targeted messaging based on contact properties, deal progression, and marketing interactions.
- ZapiercoreFeatured integration enabling automation of Customer.io with apps like Webflow and Typeform for form submissions, lead management, and CRM updates.
- Google CloudcoreCustomer.io is available for purchase using existing Google Cloud credits via a dedicated landing page, providing an additional procurement channel.
- Blackbird PPCcoreSan Francisco-based marketing agency that won its second consecutive B2B PPC award from Search Engine Land for its work with Customer.io (previously with Corelight). Approach integrates MMM and first-party data.
- Twilio (subprocessor)coreListed as a subprocessor in the Privacy Policy for sharing customer end-user information for third-party messaging.
- StripecoreListed as a third-party business application subprocessor for payment processing referenced in the Privacy Policy.
- ApplecoreListed as a third-party messaging application subprocessor for push notifications referenced in the Privacy Policy.
Scale indicators11 records
Recent moves6 records
Expansion highlights7 records
Customer.io competitors and assessment
Company assessmentDirect peers
- Braze: Braze is a public cross-channel customer engagement platform that competes directly with Customer.io in email, push, in-app, and SMS orchestration for SaaS and consumer brands. Like Customer.io, Braze emphasizes real-time behavioral segmentation, API-first architecture, and AI-driven journey orchestration.
- Iterable: Iterable is a direct cross-channel marketing automation competitor that serves mid-market and enterprise B2C brands with email, push, SMS, and in-app messaging. It overlaps closely with Customer.io's product-led SaaS positioning and visual workflow builder capabilities.
- Klaviyo: Klaviyo is a public customer engagement platform focused on ecommerce and DTC brands, offering email, SMS, push, and reviews with strong segmentation. It competes with Customer.io for PLG and DTC customers (PurpleCarrot, Billie, Pawp overlap), and is a key comparable for the data-driven SMB-to-enterprise motion.
- OneSignal: OneSignal is a multi-channel messaging platform offering email, push notifications, in-app messages, and SMS with strong developer-friendly APIs. It overlaps with Customer.io's mid-market and SMB self-serve motion, particularly for mobile-first and product-led teams.
- Attentive: Attentive is an SMS-first marketing platform serving ecommerce and DTC brands with personalized text messaging. While its SMS focus is narrower than Customer.io's omnichannel approach, it competes for the same DTC mid-market customer base and represents a comparable on the SMS pricing and deliverability axis.
Broad incumbents
- Mailchimp: Mailchimp (an Intuit company) is a broad marketing automation incumbent covering email, landing pages, and basic automation for SMBs. It overlaps with Customer.io's Essentials tier in features but lacks the developer-first, event-driven behavioral segmentation depth that Customer.io emphasizes.
- HubSpot Marketing Hub: HubSpot offers a broad marketing, sales, and CRM suite that includes email, automation, and customer journey tools. It is a broader incumbent offering that competes for Customer.io's enterprise tier by bundling marketing automation with CRM, sales, and content tools.
- Salesforce Marketing Cloud: Salesforce Marketing Cloud is a large enterprise marketing automation suite covering email, mobile, social, advertising, and DMP capabilities. While significantly broader and more enterprise-priced, it competes with Customer.io's Enterprise tier for high-volume messaging deployments.
- Twilio Engage (Segment): Twilio Engage combines Segment's CDP with Twilio's messaging APIs to provide cross-channel orchestration. It is a broad incumbent offering CDP plus messaging and competes with Customer.io's Data Pipelines plus omnichannel orchestration positioning.
Emerging players
- Ortto: Ortto is an emerging customer data and messaging platform targeting SMB and mid-market SaaS companies with email, SMS, push, and journey builder features. It competes on the same PLG axis as Customer.io's Essentials and Premium tiers for product-led customers seeking modern UX.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Customer.io social profiles
Digital presenceCustomer.io compliance and trust
Trust signalCompliance6 records
Customer.io financial estimates
Financial estimateRevenue estimate
Valuation estimate
Customer.io leadership team
Management profileNumber of profiles
Profiles12 records
Customer.io subsidiaries and ownership
Company hierarchySubsidiaries1 record
Customer.io funding detail
Funding detailFunding overview
Funding rounds7 records
Investors12 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Customer.io M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Customer.io
What does Customer.io do?
Customer.io is a unified customer engagement platform that turns first-party behavioral data into personalized cross-channel messaging across email, push, in-app, SMS, and WhatsApp. It combines real-time segmentation, a visual Journeys workflow builder, a Parcel-based Design Studio, Data Pipelines (reverse ETL) and integrations, revenue attribution analytics, and an AI Agent with persistent memory for end-to-end campaign execution. The platform is sold via tiered SaaS subscriptions (Essentials, Premium, Enterprise) with usage-based overages, a 14-day free trial, and a 12-month-free Startup Program.
Is Customer.io a public or private company?
Customer.io is a private company. It is classified as venture growth investor backed and is currently operating.
When was Customer.io founded?
Customer.io was founded in 2012. It employs 251 to 500 people.
Where is Customer.io based?
Customer.io is headquartered in Portland, United States, in the North America region.
How does Customer.io make money?
Four revenue lines are on record. Subscription SaaS fees (Essentials, Premium, Enterprise tiers) is the primary driver. The others are usage-based overages (profiles, emails, AI credits), startup Program (freemium / promotional credits) and agency partner and Google Cloud marketplace resales.
Who are Customer.io's main competitors?
Direct peers on record are Braze, Iterable, Klaviyo, OneSignal and Attentive. Broad incumbents are Mailchimp, HubSpot Marketing Hub, Salesforce Marketing Cloud and Twilio Engage (Segment). Ortto is listed as an emerging player.
Does Customer.io have an API?
Yes. Customer.io is built as an API-first platform. Developers can move real-time customer data with a single API call or webhook, whether the source or destination is on Customer.io's platform or not. Includes Web/Mobile SDKs, public REST APIs, and webhook support (send and receive). Authentication via API keys. Unlimited monthly API calls on Premium and Enterprise plans. Developer documentation is at docs.customer.io/integrations/api/customerio-apis.
What industry is Customer.io in?
Customer.io's product category is Customer Engagement Platform. Its primary akta.pro industry code is BPAFAFAC, Marketing Automation Platforms & Services, with a secondary code of CRAFAIAB, Software/SaaS Subscriptions (Consumer & Prosumer). Its NAICS code is 541810 and its SIC code is 7371.