Real-time
Two-way sync
Changes in Kustomer or Twilio instantly reflect in both systems. No stale data, no manual imports.
CRM ⇄ Business productivity
Kustomer to Twilio integration — real-time, two-way sync
Keep Kustomer and Twilio 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 Kustomer and Twilio
Sync what happens in Twilio with the customer records in Kustomer, 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 Twilio 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 Flows, Usage Records, Messages, Messaging Services in Twilio to Teams, Tags, Notes, Customers in Kustomer with bi-directional, real-time sync. Activity and record changes in Twilio update the matching contact or account in Kustomer, and CRM data flows the other way wherever Twilio can store and use it.
Common use cases
- 01 Mirror Verify outcomes into a user database to gate onboarding steps on completed phone verification.
- 02 Push Twilio usage records into a finance database for per-customer communication cost allocation.
- 03 Mirror conversations and satisfaction data into a warehouse for support analytics and agent performance reporting
- 04 Keep customer attributes updated from billing systems so routing rules and SLAs reflect account value
Common sync patterns
Where Twilio supplies contact or company data
Enriched fields land directly on records in Kustomer, and refreshes keep them from going stale.
Where Twilio can store CRM context: fields kept current
Owner, lifecycle stage, or account details from Kustomer sync into Twilio, so people working there have the context without switching tools.
Where Twilio handles support or shared inboxes
Tickets and conversations attach to the right contact and account in Kustomer, so sales sees open issues before the next call.
What you can sync between Kustomer and Twilio
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.
| Kustomer objects | Twilio objects | How this pairing syncs | |
|---|---|---|---|
| Messages Individual messages within conversations support full-thread replication. | Messages SMS, MMS, and WhatsApp messages with delivery status; synced to log outreach in CRMs and databases. | Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. | |
| Conversations Support threads across channels sync outward for analytics and CRM context. | Flows Synced with incremental and full sync per the Stacksync docs. | Conversations is specific to Kustomer and Flows to Twilio — each maps to any object or custom field on the other side. | |
| Companies Organization records group customers and map to CRM accounts. | Usage Records Aggregated usage and spend data synced into finance systems for cost tracking. | Companies is specific to Kustomer and Usage Records to Twilio — each maps to any object or custom field on the other side. | |
| Custom Objects (Klasses) Structured external records such as orders and subscriptions synced in to appear on the customer timeline. | Messaging Services Synced with incremental and full sync per the Stacksync docs. | Custom Objects (Klasses) is specific to Kustomer and Messaging Services to Twilio — each maps to any object or custom field on the other side. | |
| Users Agent records map conversation ownership to people in other systems. | Calls Voice call records with duration and outcome, commonly mirrored to support and sales systems. | Users is specific to Kustomer and Calls to Twilio — each maps to any object or custom field on the other side. | |
| Teams Team assignments support routing parity and reporting. | Incoming Phone Numbers Synced with incremental and full sync per the Stacksync docs. | Teams is specific to Kustomer and Incoming Phone Numbers to Twilio — each maps to any object or custom field on the other side. |
How changes propagate between Kustomer and Twilio
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.
Kustomer Twilio Sub-second propagation
DetectionKustomer notifies Stacksync of record changes through webhook events. Outbound webhooks on record events, plus polling for backfill.
DeliveryEach detected change is written to Twilio through its API, with automatic retries and rate-limit backoff.
Twilio Kustomer Sub-second propagation
DetectionTwilio notifies Stacksync of record changes through webhook events. Status callback webhooks per message and call, plus polling of resource lists for backfill.
DeliveryEach detected change is written to Kustomer through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Kustomer: Subject to the platform's API rate limits.
What ships with Kustomer ⇄ Twilio
Connect Kustomer and Twilio for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Kustomer–Twilio connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Kustomer or Twilio 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 Kustomer or Twilio record.
Observability
Monitoring
Track your Kustomer ⇄ Twilio sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Kustomer and Twilio.
How the Kustomer and Twilio connectors work
Kustomer
- Integration surface
- REST API
- Authentication
- API key used as a bearer token, scoped by role
- Change detection
- Outbound webhooks on record events, plus polling for backfill
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to the platform's API rate limits
Twilio
- Integration surface
- REST API (per-product APIs for Messaging, Voice, Conversations, Verify)
- Authentication
- Account SID + Auth Token (copied from Twilio Console Account Info and entered into the Stacksync Twilio connector)
- Change detection
- Status callback webhooks per message and call, plus polling of resource lists for backfill
- Capabilities
- read · write · webhooks
How it works
How to connect Kustomer to Twilio — 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 Kustomer and Twilio with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Kustomer
connected
Twilio
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Kustomer and Twilio 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 · Kustomer ⇄ TwilioCustomers 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.
Kustomer TwilioCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Kustomer and Twilio integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Kustomer and Twilio: authenticate both systems, choose the objects to sync (such as Kustomer's Messages and Conversations), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Kustomer: REST API. Authentication: API key used as a bearer token, scoped by role. Twilio: REST API (per-product APIs for Messaging, Voice, Conversations, Verify). Authentication: Account SID + Auth Token (copied from Twilio Console Account Info and entered into the Stacksync Twilio connector). Stacksync manages authentication, retries, and rate limits on both sides.
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Twilio: Every Twilio resource carries a 34-character SID with a type prefix (for example SM for messages, CA for calls), which gives syncs stable unique keys. Kustomer: Custom object types are called Klasses, and they are the standard mechanism for landing external data like orders and subscriptions where agents work. Stacksync's field mapping accounts for these differences between Kustomer and Twilio 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 Kustomer and Twilio 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 Kustomer and Twilio connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Kustomer–Twilio integration in-house.
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Yes — Stacksync ships production-grade connectors for both Kustomer and Twilio. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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
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 365 integrations available for Kustomer and Twilio.
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