kalko Integrations
/ Instantly
Kalko and Instantly
Kalko can push a sequence to Instantly with its steps, schedule and sending ramp. It also pushes the enrolled leads, each with its researched first email as a custom variable. Your inboxes stay on Instantly, and Kalko sets the messages and the cadence.
Key takeaways
- The Instantly integration comes on the Growth plan and above (Kalko pricing).
- Kalko pushes the campaign steps, the send days and windows, and a daily ramp per domain.
- Each lead carries its personalized subject and first email, written from that account's evidence.
What does Kalko send to Instantly?
- A campaign: the steps, delays, send days, send windows and time zone.
- A sending ramp: the starting volume per day, the daily increase and a cap per domain.
- The enrolled leads: email, first name and company.
- A personalized subject and first email for each lead, as custom variables.
How do you connect Instantly to Kalko?
- In Instantly, create an API key for the workspace that holds your sending inboxes.
- Email the Kalko team at konstantinos@kalko.ai, and we connect the key to your Kalko workspace.
Questions people ask
Does Kalko send from its own mailboxes?
No. Your inboxes stay on Instantly. Kalko sets the messages and the cadence, and Instantly sends.
Which Kalko plan includes Instantly?
The Growth plan and above, as listed on the Kalko pricing page.
Sources
- Instantly API v2 documentation, checked October 22, 2026
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