Real-time
Two-way sync
Changes in MariaDB or MongoDB instantly reflect in both systems. No stale data, no manual imports.
Database
MariaDB to MongoDB integration — real-time, two-way sync
Keep MariaDB 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
Case study
Migrated from Mulesoft
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Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
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Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect MariaDB and MongoDB
Keep MariaDB and MongoDB synchronized in real time, across engines, regions, or services, in one or both directions.
Two databases that must agree is one of the oldest problems in engineering: different engines for different workloads, separate services with overlapping reference data, a migration in flight, or regional instances that share a subset of records. Hand-rolled replication across systems means change capture, conflict handling, and type mapping, all built and maintained by your team.
Stacksync syncs tables or collections between MariaDB and MongoDB continuously and bi-directionally, translating types between the two engines and resolving conflicts by rules you configure. Rows written on either side appear on the other within seconds.
Common use cases
- Two-way sync between a MariaDB application database and a CRM so both systems hold the same customer records
- Replicate ERP or billing master data into MariaDB databases that power customer-facing applications
- Keep a MongoDB-backed product catalog aligned with an ERP's item master in both directions.
- Consolidate documents from multiple clusters or tenants into a single warehouse-facing store.
Shared reference data between services
Services that own separate databases stay consistent on the records they share, without a custom replication layer.
Regional or environment copies
Mirror selected tables to another region or environment continuously, filtered to just the rows that should travel.
Cross-engine sync
Keep the same dataset live in both MariaDB and MongoDB, so each workload runs on the engine that suits it.
What you can sync between MariaDB 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.
| MariaDB objects | MongoDB objects | |
|---|---|---|
| Stored Procedures Server-side logic that can post-process synced rows. | Embedded documents and arrays Nested structures that syncs flatten or map to related records in relational targets. | |
| Databases (Schemas) Top-level namespaces that scope a sync's reads and writes. | Indexes Keep lookups by sync key fast on large collections. | |
| Tables The primary sync target; rows map to records in connected systems. | Views Read-only aggregation-defined sources for filtered sync datasets. | |
| Views Read-side projections used as outbound sync sources. | Change streams The oplog-backed event feed that powers real-time change capture. | |
| Columns Field-level mapping targets with engine-typed values. | GridFS files Chunked file storage whose metadata can be referenced by synced documents. | |
| Primary and Unique Keys Match keys for idempotent upserts. | Databases Logical groupings of collections that scope a sync connection. |
What ships with MariaDB ⇄ MongoDB
Connect MariaDB and MongoDB for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every MariaDB–MongoDB connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever MariaDB 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 MariaDB or MongoDB record.
Observability
Monitoring
Track your MariaDB ⇄ MongoDB sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between MariaDB and MongoDB.
How the MariaDB and MongoDB connectors work
MariaDB
- Integration surface
- SQL wire protocol (MySQL-compatible client/server protocol)
- Authentication
- Database credentials (connection string or parameters), with optional SSL root certificate upload and optional SSH tunnel (SSH user + host)
- Change detection
- Database triggers — Stacksync creates deterministic triggers for internal logging and syncing
- Capabilities
- read · write · CDC
- Rate limits
- No API rate limits; throughput is bounded by connection limits and server resources
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 MariaDB 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 MariaDB 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.
MariaDB
connected
MongoDB
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the MariaDB 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 · MariaDB ⇄ 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.
MariaDB MongoDBCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
MariaDB and MongoDB integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between MariaDB and MongoDB: authenticate both systems, choose the objects to sync (such as MariaDB's Stored Procedures and Databases (Schemas)), map fields visually, and changes propagate both ways in milliseconds — no code required.
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MariaDB: SQL wire protocol (MySQL-compatible client/server protocol). Authentication: Database credentials (connection string or parameters), with optional SSL root certificate upload and optional SSH tunnel (SSH user + host). 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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MariaDB: Tables without an auto-generated single primary key cannot be synced. MongoDB: Change streams expose ordered change events with resume tokens, so an interrupted sync can pick up exactly where it stopped without a full re-read. Stacksync's field mapping accounts for these differences between MariaDB 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 MariaDB 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 MariaDB and MongoDB connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom MariaDB–MongoDB integration in-house.
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Yes — Stacksync ships production-grade connectors for both MariaDB and MongoDB. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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.
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
Every pair below is a real-time, two-way sync. Search all 386 integrations available for MariaDB and MongoDB.
Popular · 8 of 386
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MariaDB ⇄ AWS Aurora PostgreSQL -
MariaDB ⇄ CockroachDB -
MariaDB ⇄ Google AlloyDB -
MariaDB ⇄ Dynamo DB -
MongoDB ⇄ Supabase -
MongoDB ⇄ MySQL -
MongoDB ⇄ SQL Server -
MongoDB ⇄ Postgres Heroku
No integrations match .
