# SendPulse + Krokul CRM

Yes. Krokul CRM integrates with SendPulse. Contacts with an email address land in a SendPulse mailing list with variables for personalization, and unsubscribes, spam complaints and bounces come back to the contact card. A won or lost deal sends an event to Automation 360 and starts the right flow of emails, SMS or Viber messages.

**Status:** Via API and webhooks. **Automation platforms:** Zapier, Make, Albato.

## What your team gets

### A new client goes straight into the right mailing list

When a contact with an email address appears in Krokul, Krokul adds it to a SendPulse mailing list with the /addressbooks/{id}/emails method. Name, company and phone go as variables, so the email greets the person by name. The list is picked by the pipeline the contact came from.

### The manager sees an unsubscribe before writing

SendPulse sends an unsubscribe event with the address and the from_all flag when a person opts out of all mailings. Krokul finds the contact by email, marks the opt-out and writes a line to the feed. The manager sees it on the card.

### Interest in an email becomes a sales signal

The open and redirect events say that the client opened the email and followed a link, and the link_url field names which one. Krokul writes them to the feed of the contact and the open deal. The manager notices a click on the pricing page or the proposal the same day.

### A won deal starts an onboarding flow

The Krokul `card.won` event sends a POST to the address of an Automation 360 event with the client email and phone. SendPulse starts the flow for new clients, and automation_id names the exact one. A lost deal can start a separate win-back flow the same way.

### An invalid address does not stay in the database

The hard_bounces event means the address does not accept mail. Krokul gives the contact manager a task to check it, and the corrected address returns to the same SendPulse list.

## What moves between SendPulse and Krokul

| SendPulse | Krokul | Direction | When |
|---|---|---|---|
| Mailing list, /addressbooks/{id}/emails with variables | Contact with an email address | Krokul → SendPulse | A contact is created or changed |
| unsubscribe event (email, book_id, from_all) | Mailing opt-out mark, line in the feed | SendPulse → Krokul | The person unsubscribed |
| spam event | Mailing opt-out mark | SendPulse → Krokul | The email was marked as spam |
| open and redirect events (link_url) | Line in the contact feed and the deal feed | SendPulse → Krokul | The email was opened, a link was clicked |
| hard_bounces event | Task to check the address | SendPulse → Krokul | The address does not accept email |
| Automation 360 event (email, phone, automation_id) | Deal won or lost | Krokul → SendPulse | The deal result changes |
| Unsubscribe, /addressbooks/{id}/emails/unsubscribe | Contact asks not to be emailed | Krokul → SendPulse | The manager marked the opt-out on the card |

## How to connect today

### Krokul app in Zapier, Make or Albato

1. Connect the Krokul app with a Krokul API key, and SendPulse with the keys from the API tab of the account settings.
2. Link the Krokul trigger New Contact to the SendPulse action Add Subscriber in Zapier or Create/Update a Contact in Make.
3. Link the SendPulse trigger New Unsubscriber (Zapier) or User unsubscribed (Albato) to a Krokul contact search by email and a contact update action.
4. For opens and clicks, take the Albato triggers Open email and Click on link, or Watch Events in Make, and add an activity in Krokul.

### Custom flow through the Krokul API and webhooks

1. Issue a Krokul API key with scopes for contacts, activities and tasks.
2. In SendPulse, open the account settings, API tab, and create webhooks for the unsubscribe, spam, open, redirect and hard_bounces events with the address of your handler.
3. The handler parses the event array, finds the person with `contact/api-find`, updates it with `contact/api-update` and logs a line with `activity/api-create`.
4. Subscribe a Krokul webhook to `contact.created` and `card.won`, check `x-crm-signature` and call /addressbooks/{id}/emails or the Automation 360 event address.

**Triggers:** New Subscriber; New Unsubscriber; Updated Subscriber; Watch Events; User unsubscribed; Open email; Click on link; Marked as spam.

**Actions:** Add Subscriber; Update Subscriber; Change Variable for Subscriber; Unsubscribe User; Create/Update a Contact.

### For integrators

The SendPulse REST API runs on api.sendpulse.com with an OAuth token for the ID and Secret from the account settings. Email webhooks arrive as a JSON array. Each event needs its own webhook. On the Krokul side, `contact/api-find` looks a person up by email, the SendPulse contact ID is kept as an `externalRef`, and Krokul webhooks are signed with HMAC.

[API documentation](https://app.krokul.com/api/v1/docs)

## Questions and answers

### Does Krokul work with SendPulse?

Yes. Krokul contacts reach SendPulse mailing lists, unsubscribes and email opens come back to the contact card, and deal events start Automation 360 flows.

### How does Krokul learn about an unsubscribe in SendPulse?

From the unsubscribe webhook. It carries the email, the mailing list ID and the from_all flag, so Krokul can tell an opt-out from one list from an opt-out from all mailings.

### Can a deal stage start a SendPulse flow?

Yes. A deal event in Krokul sends a POST to the Automation 360 event address with the client email or phone, and SendPulse starts the flow linked to that event.

### Why does an email open not show up in Krokul instantly?

SendPulse sends campaign events in batches, once a minute or per hundred events. Krokul keeps the time of each event.

## Limits

Email templates, campaigns, Automation 360 flows and campaign statistics live in SendPulse. SendPulse sends campaign events in batches once a minute or every hundred events, so they appear in Krokul with that delay.

## Related services

- [Mailchimp](https://krokul.com/en/integrations/mailchimp/index.md)
- [Brevo](https://krokul.com/en/integrations/brevo/index.md)
- [ActiveCampaign](https://krokul.com/en/integrations/activecampaign/index.md)
- [lemlist](https://krokul.com/en/integrations/lemlist/index.md)
- [TurboSMS](https://krokul.com/en/integrations/turbosms/index.md)
- [Viber](https://krokul.com/en/integrations/viber/index.md)

[Email marketing](https://krokul.com/en/integrations/category/email-marketing/index.md)

SendPulse is a trademark of its owner. Krokul is not affiliated with SendPulse.

Updated: 2026-10-15

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App: https://app.krokul.com/ · API: https://app.krokul.com/api/v1/docs