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Business productivity ⇄ CRM

Lemlist to Streak CRM integration — real-time, two-way sync

Keep Lemlist and Streak CRM in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

  • SOC 2 and 6 other compliance frameworks
  • POC with real engineers in minutes

Adopted by fast-scaling companies moving mission-critical data in real time

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Why teams connect Lemlist and Streak CRM

Sync what happens in Lemlist with the customer records in Streak CRM, in real time and in both directions.

The CRM is supposed to be the record of every customer relationship, but customer-relevant information also accumulates in the other tools a team runs. Whatever Lemlist holds or produces that touches a customer, whether conversations, payments, replies, enriched data, or notes, the CRM only benefits if it arrives without someone copying it over.

Stacksync connects Unsubscribes, Webhooks, Team Members, Campaigns in Lemlist to Pipelines, Boxes, Stages, Contacts in Streak CRM with bi-directional, real-time sync. Activity and record changes in Lemlist update the matching contact or account in Streak CRM, and CRM data flows the other way wherever Lemlist can store and use it.

Common use cases

  • Stop or pause sequences automatically when a reply converts to a deal in the CRM
  • Mirror campaign performance data into BI tools for outbound reporting across senders
  • Push deals and contacts into a warehouse to report on pipeline alongside product and billing data
  • Hand off closed-won boxes to billing or fulfillment systems and sync status back into the pipeline

Where Lemlist supplies contact or company data

Enriched fields land directly on records in Streak CRM, and refreshes keep them from going stale.

Where Lemlist can store CRM context: fields kept current

Owner, lifecycle stage, or account details from Streak CRM sync into Lemlist, so people working there have the context without switching tools.

Where Lemlist runs outreach

Prospects, sends, and replies sync into Streak CRM, keeping lead status current without manual imports.

What you can sync between Lemlist and Streak CRM

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

Lemlist objects Streak CRM objects
Activities Engagement records such as opens, clicks, replies, and bounces sync to CRM timelines. Custom fields Per-pipeline field definitions that determine what data a box can hold.
Unsubscribes Opt-out records propagate to other outreach tools and the CRM for compliance. Pipelines Define the process and the custom field schema that boxes in them carry.
Webhooks Hook subscriptions define which activity events are pushed to external endpoints. Boxes The core record (a deal, hire, or project) tracked through pipeline stages.
Team Members Sender and seat records map outreach activity to reps in other systems. Stages Pipeline steps whose transitions are the usual trigger for downstream syncs.
Campaigns Outreach campaigns are the container leads are pushed into from CRMs and list-building workflows. Contacts People linked to boxes, synced with marketing and support tools.
Leads Per-campaign prospect records sync in from enrichment sources and back out with status. Organizations Company records associated with contacts and boxes.
What ships with Lemlist ⇄ Streak CRM

Connect Lemlist and Streak CRM for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Lemlist–Streak CRM connection.

Real-time

Two-way sync

Changes in Lemlist or Streak CRM instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Lemlist or Streak CRM data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single Lemlist or Streak CRM record.

Observability

Monitoring

Track your Lemlist ⇄ Streak CRM sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Lemlist and Streak CRM.

How the Lemlist and Streak CRM connectors work

Lemlist

Integration surface
REST API
Authentication
API key
Change detection
Webhooks on outreach activity events, plus polling
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits

Streak CRM

Integration surface
REST API
Authentication
API key issued per user
Change detection
Polling against pipeline, box, and contact endpoints; Streak's automations can send outbound webhooks on higher plans
Capabilities
read · write
Rate limits
Subject to the platform's API rate limits; quotas are not prominently published
How it works

How to connect Lemlist to Streak CRM — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate Lemlist and Streak CRM with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Lemlist connected
    Streak CRM connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Lemlist and Streak CRM objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Lemlist ⇄ Streak CRM
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Lemlist Streak CRM
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Lemlist and Streak CRM integration FAQ

SECURITY

Security teams love Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

Learn more about security
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS

SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 386 integrations available for Lemlist and Streak CRM.

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