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Data warehouse ⇄ CRM

ClickHouse to Vtiger CRM integration — real-time, two-way sync

Keep ClickHouse and Vtiger 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 ClickHouse and Vtiger CRM

Sync Vtiger CRM into ClickHouse continuously and push warehouse results back onto CRM records, one two-way connection instead of two pipelines.

The CRM feeds the warehouse and the warehouse should feed the CRM: relationship data flows one way, and computed scores, segments, and customer context flow back. Most teams build the first half as a batch pipeline and never quite get to the second.

Stacksync does both with one connection. Quotes, Sales Orders, Invoices, Campaigns from Vtiger CRM land in ClickHouse as live tables, updated within seconds, and columns computed in ClickHouse write back to fields in Vtiger CRM. There is no separate ETL and reverse-ETL stack to stitch together and no jobs to babysit.

Common use cases

  • Replicate pipeline data to a warehouse for RevOps reporting.
  • Mirror Leads and Campaigns to an email platform to keep marketing lists current.
  • Consolidate logs and business records from multiple sources into MergeTree tables for retention and reporting.
  • Land product event data alongside synced CRM accounts so analysts join usage and revenue in one place.

Cleanup that sticks

Deduplication and normalization done in ClickHouse can be written back, so warehouse-side cleanup actually fixes the CRM.

CRM analytics on live data

Accounts, contacts, and activity from Vtiger CRM are queryable in ClickHouse moments after they change, so dashboards stop lagging the reality they describe.

Scores and segments back on the record

Lead scores, churn risk, or usage segments computed in ClickHouse appear as fields in Vtiger CRM, where the people working accounts actually see them.

What you can sync between ClickHouse and Vtiger 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.

ClickHouse objects Vtiger CRM objects
Dictionaries In-memory lookup structures refreshed from external sources, sometimes fed by syncs. Cases Support tickets from the help-desk module, mirrored to external trackers.
Tables (MergeTree family) Columnar, append-optimized tables that serve as the destination for high-volume sync loads. Products Catalog items referenced on quotes, orders, and invoices.
Databases Namespaces that group tables and scope permissions for sync users. Quotes Pricing documents with line items.
Views Saved queries used as curated, read-only sync sources. Sales Orders Order records between quote and invoice, synced to fulfillment systems.
Materialized views Insert-time transformations that reshape incoming synced rows into aggregates. Invoices Billing documents pushed into accounting software.
Distributed tables Query-routing tables over cluster shards in self-managed deployments. Campaigns Marketing campaign records tied to leads and contacts.
What ships with ClickHouse ⇄ Vtiger CRM

Connect ClickHouse and Vtiger CRM for flexible, real-time data sync.

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

Real-time

Two-way sync

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

No-code + pro-code

Workflow automation

Trigger automated workflows whenever ClickHouse or Vtiger 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 ClickHouse or Vtiger CRM record.

Observability

Monitoring

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

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between ClickHouse and Vtiger CRM.

How the ClickHouse and Vtiger CRM connectors work

ClickHouse

Integration surface
Native TCP protocol and HTTP interface; standard SQL dialect, with MySQL and PostgreSQL wire compatibility available
Authentication
Database credentials (username/password); ClickHouse Cloud issues per-service credentials over TLS
Change detection
No log-based CDC for consumers; incremental reads use polling on monotonic columns, and ClickHouse is usually the destination rather than the source
Capabilities
read · write

Vtiger CRM

Integration surface
REST API
Authentication
HTTP Basic with username and access key
Change detection
Polling on record modified timestamps; workflows can fire outbound HTTP calls on record events
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits, which vary by edition.
How it works

How to connect ClickHouse to Vtiger 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 ClickHouse and Vtiger 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
    ClickHouse connected
    Vtiger CRM connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the ClickHouse and Vtiger 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 · ClickHouse ⇄ Vtiger 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
    ClickHouse Vtiger CRM
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

ClickHouse and Vtiger 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 ClickHouse and Vtiger CRM.

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