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About

Customers are bombarded with messages every day, and most go ignored. Customer.io is a customer engagement platform designed for tech-savvy organizations to create personalized customer journeys that engage, convert, and scale. Fueled by first-party data, teams can manage and tailor their customer messages across all channels, including email, in-app, push, SMS, and webhooks – all within one intuitive platform. Today, 7,400+ brands trust their messaging needs with Customer.io, and G2 recently recognized us as a Best Software award winner in the Marketing and Digital Advertising Products category. Customer.io’s suite of products includes Journeys, a messaging automation tool, Data Pipelines, a customer data platform; and Parcel, a code editor designed for email. Founded in 2012, Customer.io is a globally distributed, remote-first company named one of the fastest-growing private companies on the 2024 Inc. 5000 list.

About

SendOps is a full email marketing and operations platform built on top of your own Amazon SES account. It ships what SES doesn't: contact management, dynamic audience segments (written in SendQL), broadcast campaigns, drip workflows and lifecycle automations, React Email templates compiled to SES-native formats, deliverability analytics, message search, and bounce, complaint, and quota alerting — all accessible to your marketing team without touching AWS. Setup is via CloudFormation. No AWS keys are stored, no relay sits in front of your existing sending path, and your sending reputation stays entirely in your account. Pricing is flat. No per-contact tax, no email volume tiers — delivery bills at SES rates. For engineering-led teams that chose SES for cost and ownership, SendOps turns that infrastructure into a complete email platform on day one, without a migration, an SDK swap, or handing control to a managed vendor.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Customer.io serves data-driven internet businesses who need to send personalized messages at scale in industries such as SaaS, B2C, education technology, mobile apps, web marketplaces, and more

Audience

Engineering-led SaaS teams who chose Amazon SES for the cost and reliability — and now need more than AWS gives them to actually operate it.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$150 per month
Free Version
Free Trial

Pricing

$29/month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 4.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 4.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Customer.io has helped us as an organization to raise our marketing level by supporting our management of customers, attributes and events to maintain a very organized and segmented work rhythm. It also allows us to customize reports, modify users based on their user, add or delete attributes and assign events.

Cons

  • Among the few dislikes that have been presented to us as an organization are: data collection is a slightly weak part of Customer.io.

Pros & Cons from Real Users

Pros

  • Easy and secure setup (Cloud Formation stacks + STS setup) which means we don't have to expose any API keys. Really good dashboard + metrics and reputation alerts.

Cons

  • You still need to setup your SES account directly with AWS.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Customer.io
Founded: 2012
United States
customer.io

Company Information

SendOps
Founded: 2025
United States
sendops.dev

Alternatives

Alternatives

Campaigner

Campaigner

j2 Global

Categories

Categories

Email Marketing Features

A/B Testing
Artificial Intelligence
Auto-Responders
CAN SPAM Compliance
Customer Surveys
Drip Campaigns
Dynamic Content
Event Triggered Email
Image Library
Landing Pages/Web Forms
Mailing List Management
Mobile Optimized Emails
Reporting/Analytics
Subscriber Management
Template Management
WYSIWYG Email Editor

Marketing Automation Features

A/B Testing
Analytics / ROI Tracking
Artificial Intelligence
Content / Blogging Platform
Customizable CTAs
Drip Campaigns
Dynamic Content
Landing Pages / Web Forms
Lead Scoring
Sales Intelligence
Search Marketing
Segmentation
Social Marketing
Website Visitor Tracking

Integrations

Amazon S3
Bubblehouse
Census
Emailable
Ethyca
Grouparoo
HelpBar
Lob
Mailgun
Ninja Popups
Panoply
Poplar
Poptin
RestApp
RudderStack
SendGrid
Stackreaction
Velvet
Wufoo
n8n

Integrations

Amazon S3
Bubblehouse
Census
Emailable
Ethyca
Grouparoo
HelpBar
Lob
Mailgun
Ninja Popups
Panoply
Poplar
Poptin
RestApp
RudderStack
SendGrid
Stackreaction
Velvet
Wufoo
n8n
Claim Customer.io and update features and information
Claim Customer.io and update features and information
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Claim SendOps and update features and information