Contacts management with built-in AI
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Manage your contacts, lists, segments and custom properties
Clean data, better deliverability
Automatic suppression, duplicate detection, and engagement tracking keep your lists healthy and your sender reputation strong.
Suppression lists
Automatically manage unsubscribes, bounces, and complaints. Never send to contacts who have opted out.
Engagement tracking
See which contacts open, click, and engage with your emails. Use engagement data to build targeted segments.
List analytics
Track list growth, engagement rates, and churn over time. Understand your audience at a glance.
Your contacts, always in sync
Import from CSV, sync via API, or let your AI agent manage your lists. Rich profiles, smart segments, and real-time data.
Contact profiles
Rich profiles for every contact. See email history, engagement data, custom properties, tags, and list membership in one place.
Smart segments
Create dynamic segments based on properties, behavior, and engagement. Segments update automatically as contacts change.
Lists & groups
Organize contacts into lists for campaigns and automations. Contacts can belong to multiple lists.
Tags & custom properties
Add custom properties and tags to contacts. Store any data you need — plan type, company, signup date, and more.
Import & export
Bulk import contacts from CSV files with field mapping. Export your data anytime in CSV format.
API sync
Create, update, and manage contacts programmatically via the REST API. Keep your app and Sendkit in sync.
What our customers are saying
See how developers, marketers, and product teams use Sendkit to send emails that reach the inbox.
We needed something simple for onboarding emails. The MCP integration is what got us, we connected it to Claude and had our whole email sequence done in maybe 15 minutes. Looked around before and couldn't find that anywhere else.
Pedro Campos
Founder at SupapinMigrating our SMTP relay took maybe 20 minutes. Swapped the host, dropped in the API key, done. Bounce handling and suppression lists just work. We had a whole week blocked for that and didn't need any of it.
Paulo Castellano
Founder at ChangelogfyWe use Sendkit for appointment reminders, post-treatment follow-ups, stuff like that. Set up all the automations myself in one sitting, no developer needed. Our clients actually started rebooking more once we stopped forgetting to follow up.
Patrick Silva
Founder at BellacorpoStart sending in minutes.
3,000 emails/month on the free tier. No credit card, no commitment.
Still wondering?
See what your favorite LLM has to say about us, then make an informed decision.
