Real-time
Two-way sync
Changes in Kommo or MongoDB instantly reflect in both systems. No stale data, no manual imports.
CRM ⇄ Database
Kommo to MongoDB integration — real-time, two-way sync
Keep Kommo and MongoDB 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 Kommo and MongoDB
Treat Kommo like part of your database: its records live in MongoDB as real tables, and writes in either place sync to the other in seconds.
Product and engineering teams constantly need CRM data, and the CRM API is a poor way to get it: rate limits, pagination, custom objects, and integration code that breaks when an admin renames a field. What they actually want is the data in MongoDB, where it can be queried and joined like everything else.
Stacksync mirrors Users, Chats, Leads, Contacts from Kommo into GridFS files, Databases, Collections, Documents in MongoDB with real-time, bi-directional sync. Read CRM records with plain queries; write updates from your application and they appear in Kommo with validation intact. Go-to-market teams keep working in the CRM, engineers keep working in the database, and neither has to think about the other.
Common use cases
- 01 Replicate Kommo leads and contacts into a database or warehouse for reporting beyond built-in dashboards
- 02 Push web form and product signups into Kommo pipelines as they are submitted so messenger-based follow-up starts quickly
- 03 Capture change stream events and propagate them to SaaS tools in near real time instead of running batch exports.
- 04 Keep a MongoDB-backed product catalog aligned with an ERP's item master in both directions.
Common sync patterns
Trigger workflows from CRM changes
Field and stage updates in Kommo arrive as row changes in MongoDB, ready to drive jobs and notifications.
Query the CRM like a database
Accounts, contacts, and custom objects from Kommo become tables in MongoDB you can join with application data directly.
Product events onto CRM records
Signup, usage, or lifecycle changes written to MongoDB sync onto the matching records in Kommo, giving go-to-market teams live product context.
What you can sync between Kommo and MongoDB
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.
| Kommo objects | MongoDB objects | How this pairing syncs | |
|---|---|---|---|
| Notes Free-text and system notes attach context to synced leads and contacts. | GridFS files Chunked file storage whose metadata can be referenced by synced documents. | Notes is specific to Kommo and GridFS files to MongoDB — each maps to any object or custom field on the other side. | |
| Custom Fields Per-entity custom fields hold data written from external databases and enrichment. | Databases Logical groupings of collections that scope a sync connection. | Custom Fields is specific to Kommo and Databases to MongoDB — each maps to any object or custom field on the other side. | |
| Users Account users map lead ownership to people in other systems. | Collections The table-like sync unit; each collection maps to a table or object in the paired system. | Users is specific to Kommo and Collections to MongoDB — each maps to any object or custom field on the other side. | |
| Chats Messenger conversations from WhatsApp, Instagram, and other channels attach to leads and contacts. | Documents BSON records created, updated, and deleted during syncs, keyed by _id. | Chats is specific to Kommo and Documents to MongoDB — each maps to any object or custom field on the other side. | |
| Leads The central pipeline record; external signups and form fills sync in as leads. | Embedded documents and arrays Nested structures that syncs flatten or map to related records in relational targets. | Leads is specific to Kommo and Embedded documents and arrays to MongoDB — each maps to any object or custom field on the other side. | |
| Contacts Person records sync with other CRMs and databases for a shared contact file. | Indexes Keep lookups by sync key fast on large collections. | Contacts is specific to Kommo and Indexes to MongoDB — each maps to any object or custom field on the other side. |
How changes propagate between Kommo and MongoDB
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.
Kommo MongoDB Sub-second propagation
DetectionKommo notifies Stacksync of record changes through webhook events. Webhooks on record add and update events, plus polling for backfill.
DeliveryEach detected change is applied to MongoDB as a row-level write, with types converted between the two schemas.
MongoDB Kommo Sub-second propagation
DetectionChanges in MongoDB are captured at the source via change data capture — no polling loop against its API. MongoDB oplog and change streams (requires the database to run as a replica set — even single-node).
DeliveryEach detected change is written to Kommo through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Kommo: Subject to per-account request rate limits.
What ships with Kommo ⇄ MongoDB
Connect Kommo and MongoDB for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Kommo–MongoDB connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Kommo or MongoDB 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 Kommo or MongoDB record.
Observability
Monitoring
Track your Kommo ⇄ MongoDB sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Kommo and MongoDB.
How the Kommo and MongoDB connectors work
Kommo
- Integration surface
- REST API
- Authentication
- OAuth 2.0 with refresh tokens
- Change detection
- Webhooks on record add and update events, plus polling for backfill
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to per-account request rate limits
MongoDB
- Integration surface
- MongoDB wire protocol via official drivers; Atlas additionally offers an administration REST API for cluster management
- Authentication
- Database credentials (username/password) or TLS/SSL X.509 certificate (.pem upload), entered individually or via a MongoDB connection string (SRV or standard); Stacksync IP allowlisting required
- Change detection
- MongoDB oplog and change streams (requires the database to run as a replica set — even single-node); Stacksync leverages these built-in tools to track changes in real time
- Capabilities
- read · write · CDC
How it works
How to connect Kommo to MongoDB — 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.
- 01
Connect your apps
Authenticate Kommo and MongoDB with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Kommo
connected
MongoDB
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Kommo and MongoDB 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.
objects · Kommo ⇄ MongoDBCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Kommo MongoDBCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Kommo and MongoDB integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Kommo and MongoDB: authenticate both systems, choose the objects to sync (such as Kommo's Notes and Custom Fields), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Common patterns for Kommo and MongoDB: Trigger workflows from CRM changes; Query the CRM like a database; Product events onto CRM records. Field and stage updates in Kommo arrive as row changes in MongoDB, ready to drive jobs and notifications.
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Kommo: REST API. Authentication: OAuth 2.0 with refresh tokens. MongoDB: MongoDB wire protocol via official drivers; Atlas additionally offers an administration REST API for cluster management. Authentication: Database credentials (username/password) or TLS/SSL X.509 certificate (.pem upload), entered individually or via a MongoDB connection string (SRV or standard); Stacksync IP allowlisting required. Stacksync manages authentication, retries, and rate limits on both sides.
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Kommo: As a messenger-first CRM, chat threads from channels like WhatsApp and Instagram attach directly to leads, which is context most other CRMs lack when records are synced across. MongoDB: Replica set configuration is required even for a single node — standalone MongoDB cannot be change-tracked. Stacksync's field mapping accounts for these differences between Kommo and MongoDB without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means Kommo and MongoDB records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Kommo and MongoDB connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Kommo–MongoDB integration in-house.
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.
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:
Related integrations
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