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CRM ⇄ Business productivity

Gladly to Lemlist integration — real-time, two-way sync

Keep Gladly and Lemlist 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 Gladly and Lemlist

Sync what happens in Lemlist with the customer records in Gladly, 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 Team Members, Campaigns, Leads, Activities in Lemlist to Tasks, Customer profiles, Conversations, Conversation items in Gladly with bi-directional, real-time sync. Activity and record changes in Lemlist update the matching contact or account in Gladly, and CRM data flows the other way wherever Lemlist can store and use it.

Common use cases

  • 01 Stop or pause sequences automatically when a reply converts to a deal in the CRM
  • 02 Mirror campaign performance data into BI tools for outbound reporting across senders
  • 03 Keep customer attributes such as loyalty tier and lifetime value synced from a warehouse into Gladly profiles for routing and prioritization.
  • 04 Push conversation outcomes into a CRM so account teams see support context on their accounts.

Common sync patterns

Where Lemlist can store CRM context: fields kept current

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

Where Lemlist runs outreach

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

Where Lemlist supplies contact or company data

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

What you can sync between Gladly and Lemlist

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.

Gladly objects Lemlist objects How this pairing syncs
Topics Categorization applied to conversations; the key dimension for contact-driver reporting. Activities Engagement records such as opens, clicks, replies, and bounces sync to CRM timelines. Topics is specific to Gladly and Activities to Lemlist — each maps to any object or custom field on the other side.
Tasks Follow-up work items created from external triggers or synced for workload reporting. Unsubscribes Opt-out records propagate to other outreach tools and the CRM for compliance. Tasks is specific to Gladly and Unsubscribes to Lemlist — each maps to any object or custom field on the other side.
Customer profiles The central entity; merges identifiers like email, phone, and order IDs, which syncs use for matching. Webhooks Hook subscriptions define which activity events are pushed to external endpoints. Customer profiles is specific to Gladly and Webhooks to Lemlist — each maps to any object or custom field on the other side.
Conversations Each customer's continuous timeline; status and outcomes sync to CRMs and warehouses. Team Members Sender and seat records map outreach activity to reps in other systems. Conversations is specific to Gladly and Team Members to Lemlist — each maps to any object or custom field on the other side.
Conversation items Individual messages across voice, SMS, chat, and email attached to the conversation. Campaigns Outreach campaigns are the container leads are pushed into from CRMs and list-building workflows. Conversation items is specific to Gladly and Campaigns to Lemlist — each maps to any object or custom field on the other side.
Agents User records used to attribute work in CX analytics. Leads Per-campaign prospect records sync in from enrichment sources and back out with status. Agents is specific to Gladly and Leads to Lemlist — each maps to any object or custom field on the other side.

How changes propagate between Gladly and Lemlist

Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.

Gladly Lemlist Sub-second propagation

DetectionGladly notifies Stacksync of record changes through webhook events. Webhook event subscriptions for conversation and customer events, supplemented by polling and report exports.

DeliveryEach detected change is written to Lemlist through its API, with automatic retries and rate-limit backoff.

Lemlist Gladly Sub-second propagation

DetectionLemlist notifies Stacksync of record changes through webhook events. Webhooks on outreach activity events, plus polling.

DeliveryEach detected change is written to Gladly through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Gladly: Subject to the platform's API rate limits.
  • Lemlist: Subject to the platform's API rate limits.
What ships with Gladly ⇄ Lemlist

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

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

Real-time

Two-way sync

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

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Gladly or Lemlist 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 Gladly or Lemlist record.

Observability

Monitoring

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

Trading partners

EDI

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

How the Gladly and Lemlist connectors work

Gladly

Integration surface
REST API
Authentication
API tokens used with basic authentication tied to an agent email
Change detection
Webhook event subscriptions for conversation and customer events, supplemented by polling and report exports
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits

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
How it works

How to connect Gladly to Lemlist — 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 Gladly and Lemlist 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
    Gladly connected
    Lemlist connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Gladly and Lemlist 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 · Gladly ⇄ Lemlist
    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
    Gladly Lemlist
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Gladly and Lemlist integration FAQ

SECURITY

Security teams trust 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
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 298 integrations available for Gladly and Lemlist.

Popular · 5 of 298
All Gladly integrations All Lemlist integrations Browse all integrations
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