Real-time
Two-way sync
Changes in Customer.io or Nimble instantly reflect in both systems. No stale data, no manual imports.
Business productivity ⇄ CRM
Customer.io to Nimble integration — real-time, two-way sync
Keep Customer.io and Nimble 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
Case study
Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
Case study
Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect Customer.io and Nimble
Sync what happens in Customer.io with the customer records in Nimble, 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 Customer.io 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 People, Objects, Events, Segments in Customer.io to Contacts, Companies, Deals, Tasks in Nimble with bi-directional, real-time sync. Activity and record changes in Customer.io update the matching contact or account in Nimble, and CRM data flows the other way wherever Customer.io can store and use it.
Common use cases
- Keep unsubscribe and subscription-preference state consistent between Customer.io and the CRM to avoid compliance gaps.
- Sync account-level objects and their person relationships for B2B messaging keyed to company attributes.
- Feed Nimble activity and task data into reporting dashboards without manual CSV exports.
- Sync Nimble contacts and companies into Postgres so ops teams can query socially enriched profile data with SQL.
Where Customer.io runs outreach
Prospects, sends, and replies sync into Nimble, keeping lead status current without manual imports.
Where Customer.io supplies contact or company data
Enriched fields land directly on records in Nimble, and refreshes keep them from going stale.
Where Customer.io processes payments
Charges, refunds, and subscription changes appear on the account in Nimble, so revenue context lives with the relationship.
What you can sync between Customer.io and Nimble
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.
| Customer.io objects | Nimble objects | |
|---|---|---|
| Campaigns Automated workflows whose membership and metrics can be read via the App API. | Deals Pipeline records linked to contacts, synced to keep revenue systems aligned with sales activity | |
| Broadcasts One-off sends to segments or audiences, triggerable via API. | Tasks To-do items tied to contacts, mirrored into work-management tools or reporting tables | |
| Deliveries / Messages Per-recipient message records whose lifecycle events flow out through reporting webhooks. | Activities Calls, events, and interaction history used for engagement reporting outside Nimble | |
| Newsletters Recurring email sends with performance metrics available for reporting syncs. | Notes Free-text records attached to contacts, replicated for a complete account timeline | |
| People Profiles with attributes, matched on identifiers like id or email; the main write target of data syncs. | Tags Segmentation labels that map to list membership or filters in downstream systems | |
| Objects Non-person entities such as accounts or companies, related to people for account-level messaging. | Custom fields Account-defined contact attributes that carry enrichment or internal identifiers |
What ships with Customer.io ⇄ Nimble
Connect Customer.io and Nimble for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Customer.io–Nimble connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Customer.io or Nimble 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 Customer.io or Nimble record.
Observability
Monitoring
Track your Customer.io ⇄ Nimble sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Customer.io and Nimble.
How the Customer.io and Nimble connectors work
Customer.io
- Integration surface
- REST APIs split by purpose: Track API for data ingestion, App API for campaigns, people lookups, and messages
- Authentication
- Basic auth with site ID and API key for the Track API; bearer token for the App API
- Change detection
- Reporting webhooks push message and delivery events; person attribute changes are not streamed and require source-side detection
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to per-API rate limits documented by Customer.io
Nimble
- Integration surface
- REST API (JSON)
- Authentication
- API key; OAuth 2.0 available for registered applications
- Change detection
- polling on record modification timestamps
- Capabilities
- read · write
- Rate limits
- subject to per-account API request quotas
How it works
How to connect Customer.io to Nimble — 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 Customer.io and Nimble with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Customer.io
connected
Nimble
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Customer.io and Nimble 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 · Customer.io ⇄ NimbleCustomers 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.
Customer.io NimbleCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Customer.io and Nimble integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between Customer.io and Nimble: authenticate both systems, choose the objects to sync (such as Customer.io's Campaigns and Broadcasts), map fields visually, and changes propagate both ways in milliseconds — no code required.
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On the Customer.io side: People, Objects, Events, Segments, plus custom fields where Customer.io exposes them. On the Nimble side: Contacts, Companies, Deals, Tasks. Stacksync auto-detects both schemas and converts types between the two systems.
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Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
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Common patterns for Customer.io and Nimble: Where Customer.io runs outreach; Where Customer.io supplies contact or company data; Where Customer.io processes payments. Prospects, sends, and replies sync into Nimble, keeping lead status current without manual imports.
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Customer.io: REST APIs split by purpose: Track API for data ingestion, App API for campaigns, people lookups, and messages. Authentication: Basic auth with site ID and API key for the Track API; bearer token for the App API. Nimble: REST API (JSON). Authentication: API key; OAuth 2.0 available for registered applications. Stacksync manages authentication, retries, and rate limits on both sides.
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Customer.io: Beyond people, Customer.io supports non-person objects (for example accounts) with typed relationships to people, enabling account-based messaging logic. Nimble: Nimble stores people and companies as contact records distinguished by record type, so both entity types flow through the same contacts resource. Stacksync's field mapping accounts for these differences between Customer.io and Nimble without custom code.
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 Customer.io and Nimble.
Popular · 8 of 386
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Customer.io ⇄ Salesforce -
Customer.io ⇄ HubSpot -
Customer.io ⇄ Microsoft Dynamics 365 Sales -
Customer.io ⇄ Attio -
Nimble ⇄ SendGrid -
Nimble ⇄ Twilio -
Nimble ⇄ GitHub -
Nimble ⇄ Atlassian
No integrations match .
