Can you integrate ConnectWise with Rillet?

Explore a ConnectWise and Rillet integration with a Stacksync engineer. Stacksync support for ConnectWise is not established by the connector documentation reviewed for this page. Start with one record and the update your business needs to identify an implementation path.

Can ConnectWise and Rillet sync in both directions?

Confirm two-way support with Stacksync for the records and fields you need in both systems. Access to a vendor API does not confirm that its Stacksync connector supports write-back.

What should be ready before the ConnectWise and Rillet initial load?

Prepare both accounts, the selected object schemas, stable source and destination IDs, and the expected outcome. Identify the ConnectWise account, edition, environment, and business objects the integration must access. Generate an API key in Rillet Organization Setting > API Access. Use the pair worksheet to record ownership and acceptance criteria.

How fast does the ConnectWise to Rillet sync run?

Measure initial-load and ongoing-change latency separately. Source detection, selected objects, account limits, and destination validation determine the observed delay.

Will existing duplicates merge automatically?

No. Stacksync documents that pre-existing duplicates are not merged automatically when two-way sync begins. Review the initial dataset and matching plan before enabling it; an empty destination can simplify the first load.

How do I map ConnectWise fields to Rillet?

Start with one business entity and a stable record ID. Map a small set of editable fields with compatible types, test required values and relationships, then expand after the pilot passes.

What should I do if a record fails to sync?

Check the destination error, field constraints, permissions, and current source value. The Stacksync issues dashboard supports retry and revert; retry reads current source values, so verify the intended record state before acting.

What does a ConnectWise and Rillet integration cost?

Use the current Stacksync pricing page and confirm the supported implementation with the team. Scope the required objects, record volume, update frequency, initial load, and support needs when comparing a managed connector with native or custom development.

Which records should the ConnectWise and Rillet pilot start with?

Start by reviewing Companies in ConnectWise and Customer in Rillet. Check how these records relate in your workflow, then confirm the actual fields and supported operations. Test record matching and one failed or repeated update before adding more records.

Business productivity / Accounting and finance · Two-way sync platform

ConnectWise and Rillet integration

Plan how ConnectWise and Rillet should share data across your business. Work with Stacksync engineers on record mapping, system access, and the requirements for running the integration.

Scope your workflow with an integration engineer
Review the systems, records, and updates you need

Integration planning

stacksync.com

ConnectWise

Rillet

Review the integration scope

Built for teams where self-serve, reliability and scale matter

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

Proposed workflow

Customer sync test

Planning example. Stacksync support for the required connection and record operations needs a technical review.

Starting eventA change involving ConnectWise Companies or Rillet Customer needs a defined result in the other system.

Start with ConnectWise Companies and Rillet Customer. Use the record-matching and field-ownership rules from your mapping worksheet.
Resolve person or company type, legal entity, business role, and any billing account before transactions.
Test a normal update and one failed or repeated update in the supported direction. Keep both record IDs with the test results.

What to verifyTest an individual buyer, a company buyer, and one company with multiple billing relationships. Do not merge these into a single generic contact.

Review records and field ownership

Proposed record relationships

Records to connect

Use these examples to define record matching and field ownership for your technical review.

Download the mapping worksheet

CSV · No email required

Example record relationships between ConnectWise and Rillet
ConnectWise record	Rillet record	Record matching	Field ownership
CompaniesProposed record; confirm Stacksync object support.Customer identity assessment	CustomerDocumented record: Incremental: ; historical: ; delete detection:	Determine whether each customer represents an individual, a company, or a business-unit relationship before matching it to a contact or organization. Retain the source customer ID and destination ID; names and email alone are insufficient.	Separate the customer relationship from contact details, billing authority, and consent. Choose an owner for each field after identifying whether the customer is a person or company.
ContactsProposed record; confirm Stacksync object support.Customer identity assessment	CustomerDocumented record: Incremental: ; historical: ; delete detection:	Determine whether each customer represents an individual, a company, or a business-unit relationship before matching it to a contact or organization. Retain the source customer ID and destination ID; names and email alone are insufficient.	Separate the customer relationship from contact details, billing authority, and consent. Choose an owner for each field after identifying whether the customer is a person or company.
InvoicesProposed record; confirm Stacksync object support.Record matching	InvoiceDocumented record: Incremental: ; historical: ; delete detection:	Retain the invoice ID, issuer/legal entity, and original order reference; invoice numbers alone may overlap.	The financial system owns posting and accounting treatment. A posted invoice may need a credit or adjustment process instead of an overwrite.

These relationships do not establish connector availability. Review the required connection and record operations with Stacksync.

Record coverage to review

Use documented coverage where available. Catalog record types are starting points for review and do not confirm Stacksync support.

ConnectWise

Connection and object support require review

Record types to review with Stacksync

Record types	Coverage and requirements
Companies Contacts Service Tickets Opportunities Agreements Projects	Confirm support for this record type and the direction you need.

Discuss ConnectWise requirements

Rillet

Read and write support varies by record

Record types covered in the setup guide

Record types	Coverage and requirements
Customer Invoice Vendor Credit Memo Bill Journal Entry Invoice Payment Charge Reimbursement Custom Field	Incremental: ✅; historical: ✅; delete detection: ✅. Confirm field permissions and sync direction.
Account	Incremental: ✅; historical: ✅; delete detection: ✅ Every 1h. Confirm field permissions and sync direction.
Subsidiary Tax Rate Product Contract Bank Account	Incremental: ❌; historical: ✅; delete detection: ✅ Every 1h. Confirm field permissions and sync direction.
Bank Transaction	Incremental: ❌; historical: ✅; delete detection: ✅ Every 4h. Confirm field permissions and sync direction.

Read the Rillet connector guide

Connection essentials

Confirm Stacksync support and account requirements for undocumented connections. Interface information alone does not establish connector availability.

View setup requirements and limits

Connection requirement	ConnectWise	Rillet
Integration interface	REST API	REST API (OpenAPI-specified, with production and sandbox environments)
Authentication	Confirm the credentials, API plan, and permissions required for ConnectWise.	API key generated in Rillet
Change detection	Confirm how Stacksync detects changes for this connector and the objects you need.	Historical and incremental syncs are documented by object.
Read access	Confirm with Stacksync	Available for supported records
Write access	Confirm with Stacksync	Available for supported records

Enterprise controls

Security and control for your integrations

Explore security controls

Compliance and data transfers

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

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:

Record-level recovery

Inspect sync errors and use retry and revert controls to resolve failed updates.

Read the recovery guide

Implementation

Technical reference

Review setup, record relationships, testing, and recovery for your implementation.

Authentication, permissions and API limits

Connection requirements and limits

ConnectWise

Integration interface: REST API
Authentication: Confirm the credentials, API plan, and permissions required for ConnectWise.
Change detection: Confirm how Stacksync detects changes for this connector and the objects you need.
Read access: Confirm with Stacksync
Write access: Confirm with Stacksync

Setup requirements

Identify the ConnectWise account, edition, environment, and business objects the integration must access.
Confirm a Stacksync connector or implementation path for ConnectWise, including read/write support, authentication, and initial-load limits.

Limitations to check

Confirm Stacksync support for ConnectWise and the record types your workflow needs.
Review write-back, deletion handling, update timing, and account limits with the integration team.

Rillet

Integration interface: REST API (OpenAPI-specified, with production and sandbox environments)
Authentication: API key generated in Rillet (Organization Setting -> API Access); uncheck Read Only to enable writes for two-way sync; check Read Only to prevent write-back
Change detection: Historical and incremental syncs are documented by object. Some objects have only historical sync; delete detection intervals vary.
Read access: Available for supported records
Write access: Available for supported records

Setup requirements

Generate an API key in Rillet Organization Setting > API Access.
For two-way sync, clear the Read Only setting; use a read-only key when the integration only needs outbound data.

Limitations to check

Some objects have historical sync only; deletion checks for supported objects can run at different intervals.

Technical documentation

Documentation reviewed 2026-09-15. Check the linked guides for current account and record requirements.

Rillet setup guide

Prepare ConnectWise and Rillet access

Set up both accounts before testing the mapping. Use test records where available, and identify the account administrator who can approve access and help resolve setup errors.

ConnectWise setup checklist

Identify the ConnectWise account, edition, environment, and business objects the integration must access.
Confirm a Stacksync connector or implementation path for ConnectWise, including read/write support, authentication, and initial-load limits.

Rillet setup checklist

Generate an API key in Rillet Organization Setting > API Access.
For two-way sync, clear the Read Only setting; use a read-only key when the integration only needs outbound data.

Setup guides: Authorize Rillet Connection

Prepare to go live

Record the fields each system can update, the first-load cutoff, both record IDs, the expected update delay, and who handles errors. Complete the tests before production before expanding to more records.

Use the ConnectWise and Rillet planning worksheet to capture these decisions. Record the access owner in the worksheet and enter credentials only in the connection setup.

Talk to an engineer · Review current pricing

Record identity and field ownership

Use these data-model references to describe the records your connection needs. They are planning examples; connector availability and supported operations must be established before implementation.

Download the mapping worksheet · CSV, no email required

Customer identity

Companies / Customer

Before linking ConnectWise Companies to Rillet Customer, check whether the customer is an individual or a company. Match the correct record type in each system.

Planning example. Stacksync support for the required connection and record operations needs a technical review.

ConnectWise: Object support to establish
Rillet: Documented record · Incremental: ✅; historical: ✅; delete detection: ✅
Record identity: Determine whether each customer represents an individual, a company, or a business-unit relationship before matching it to a contact or organization. Retain the source customer ID and destination ID; names and email alone are insufficient.
Field ownership: Separate the customer relationship from contact details, billing authority, and consent. Choose an owner for each field after identifying whether the customer is a person or company.

Fields to include

Source customer ID
Person/company classification
Legal entity or business unit
Destination identity reference

Record dependencies: Resolve person or company type, legal entity, business role, and any billing account before transactions.
Validation: Test an individual buyer, a company buyer, and one company with multiple billing relationships. Do not merge these into a single generic contact.
Recovery: Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

References: Rillet: Customer documentation

Customer identity

Contacts / Customer

Before linking ConnectWise Contacts to Rillet Customer, check whether the customer is an individual or a company. Match the correct record type in each system.

Planning example. Stacksync support for the required connection and record operations needs a technical review.

ConnectWise: Object support to establish
Rillet: Documented record · Incremental: ✅; historical: ✅; delete detection: ✅
Record identity: Determine whether each customer represents an individual, a company, or a business-unit relationship before matching it to a contact or organization. Retain the source customer ID and destination ID; names and email alone are insufficient.
Field ownership: Separate the customer relationship from contact details, billing authority, and consent. Choose an owner for each field after identifying whether the customer is a person or company.

Fields to include

Source customer ID
Person/company classification
Legal entity or business unit
Destination identity reference

Record dependencies: Resolve person or company type, legal entity, business role, and any billing account before transactions.
Validation: Test an individual buyer, a company buyer, and one company with multiple billing relationships. Do not merge these into a single generic contact.
Recovery: Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

References: Rillet: Customer documentation

Record matching

Invoices / Invoice

Compare whether ConnectWise Invoices and Rillet Invoice describe the same customer invoice in your business.

Planning example. Stacksync support for the required connection and record operations needs a technical review.

ConnectWise: Object support to establish
Rillet: Documented record · Incremental: ✅; historical: ✅; delete detection: ✅
Record identity: Retain the invoice ID, issuer/legal entity, and original order reference; invoice numbers alone may overlap.
Field ownership: The financial system owns posting and accounting treatment. A posted invoice may need a credit or adjustment process instead of an overwrite.

Fields to include

Source invoice ID
Customer or supplier reference
Line totals
Currency
Posting/payment status

Record dependencies: Resolve the customer or supplier, account codes, tax, currency, and accounting period before posting.
Validation: Test a posted invoice, a partial payment, tax rounding, and a closed accounting period. Compare financial totals within the same entity and currency.
Recovery: Determine whether a transaction posted before retrying. Follow the approved adjustment process for posted records.

References: Rillet: Invoice documentation

Compare integration approaches

Choose a method around one example record and the update your business needs. Use Companies / Customer to review record matching and confirm Stacksync support for the required operations. Compare ongoing sync, a custom workflow, and a scheduled export against that requirement.

Stacksync managed sync

Best fit: Review compatibility with a Stacksync engineer using an example of the records and updates you need.
Operating responsibility: Fits ongoing record synchronization when the required operations are supported. Add workflow steps for approvals or business actions that go beyond copying fields.
Before you choose: Check record matching: Determine whether each customer represents an individual, a company, or a business-unit relationship before matching it to a contact or organization. Retain the source customer ID and destination ID; names and email alone are insufficient. Verify field coverage, deletion handling, and how changes are detected.

Native vendor integration

Best fit: A vendor-built integration may fit if it supports your ConnectWise and Rillet record types.
Operating responsibility: Can reduce setup for a supported workflow. You may need another method for records or business steps it does not cover.
Before you choose: First check whether either vendor offers this integration. If available, verify Companies / Customer, update direction, account tier, and related-record handling.

Custom API or workflow

Best fit: Consider when ConnectWise and Rillet need a transformation, approval, or action outside a direct record sync.
Operating responsibility: Provides control over business steps; the team owns credentials, version changes, error queues, and reconciliation.
Before you choose: Verify endpoint permissions, pagination, quotas, duplicate detection, and failure recovery. Separate reading history from actions that send messages, grant access, or post transactions.

File or scheduled snapshot

Best fit: Consider for a one-time ConnectWise / Rillet migration or a reporting need with an explicit freshness window.
Operating responsibility: Can simplify a bounded transfer; later changes and deletion history require another extraction or a separately designed incremental process.
Before you choose: Record the extraction cutoff, source IDs, encoding, date/number formats, and reconciliation totals.

Workflow scenarios and expected results

Customer sync test

Planning example. Stacksync support for the required connection and record operations needs a technical review.

Starting event: A change to the selected Companies or Customer record needs a defined result in the other system.

Start with ConnectWise Companies and Rillet Customer. Use the record-matching and field-ownership rules from your mapping worksheet.
Resolve person or company type, legal entity, business role, and any billing account before transactions.
Test a normal update and one failed or repeated update in the supported direction. Keep both record IDs with the test results.

Expected result: Test an individual buyer, a company buyer, and one company with multiple billing relationships. Do not merge these into a single generic contact.

If it fails: Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

Customer sync test

Planning example. Stacksync support for the required connection and record operations needs a technical review.

Starting event: A change to the selected Contacts or Customer record needs a defined result in the other system.

Start with ConnectWise Contacts and Rillet Customer. Use the record-matching and field-ownership rules from your mapping worksheet.
Resolve person or company type, legal entity, business role, and any billing account before transactions.
Test a normal update and one failed or repeated update in the supported direction. Keep both record IDs with the test results.

Expected result: Test an individual buyer, a company buyer, and one company with multiple billing relationships. Do not merge these into a single generic contact.

If it fails: Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

Customer invoice sync test

Planning example. Stacksync support for the required connection and record operations needs a technical review.

Starting event: A change to the selected Invoices or Invoice record needs a defined result in the other system.

Start with ConnectWise Invoices and Rillet Invoice. Use the record-matching and field-ownership rules from your mapping worksheet.
Resolve the customer or supplier, account codes, tax, currency, and accounting period before posting.
Test a normal update and one failed or repeated update in the supported direction. Keep both record IDs with the test results.

Expected result: Test a posted invoice, a partial payment, tax rounding, and a closed accounting period. Compare financial totals within the same entity and currency.

If it fails: Determine whether a transaction posted before retrying. Follow the approved adjustment process for posted records.

Reconcile Rillet business records with ConnectWise

This is an evaluation scenario; connector and operation support require confirmation.

Starting event: A finance-owned record in Rillet needs operational visibility through Companies or Contacts.

Select Customer or Vendor with the correct legal entity, period, and currency.
Define a reporting relationship in ConnectWise; do not equate customer records, ledger accounts, and posted transactions.
Decide whether the process only reports a financial state or requests an approved accounting action, and maintain a separate transaction ID for each action.

Start with the failed record and the destination error, then inspect the source value, field requirements, and access.

Rejected or repeated customer change

Investigate

Inspect ConnectWise Companies and Rillet Customer, their IDs, and the destination error.

Next action

Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

Rejected or repeated customer change

Investigate

Inspect ConnectWise Contacts and Rillet Customer, their IDs, and the destination error.

Next action

Hold ambiguous customer matches for review and resolve customer type before retrying dependent records.

Rejected or repeated customer invoice change

Investigate

Inspect ConnectWise Invoices and Rillet Invoice, their IDs, and the destination error.

Next action

Determine whether a transaction posted before retrying. Follow the approved adjustment process for posted records.

A record type or update is unavailable

Investigate

Check the ConnectWise and Rillet connector guides, account permissions, and any operations marked On Request.

Next action

Ask the integration team to confirm a supported way to handle that record. Verify whether it needs connector configuration or a separate workflow step.

Source and destination disagree after a retry

Investigate

Compare current source values, destination validation, identity mappings, and any side effects already completed.

Next action

Stacksync issue retry reads the current source state. Decide the intended state before retrying or reverting; reconcile downstream effects separately.

Read the Stacksync issues dashboard guide for retry and revert behavior.

Change detection and update delivery

How updates move between ConnectWise and Rillet

See how each system detects changes and which updates the other system can receive. Each direction has its own permissions and record requirements.

ConnectWise Rillet Direction requires confirmation

Detect changesConfirm how Stacksync detects changes for this connector and the objects you need.

Apply updatesConfirm that Stacksync can create or update the records you need in Rillet.

Rillet ConnectWise Direction requires confirmation

Detect changesHistorical and incremental syncs are documented by object. Some objects have only historical sync; delete detection intervals vary.

Apply updatesConfirm that Stacksync can create or update the records you need in ConnectWise.

Update timing and record limits

Measure initial-load and ongoing-change latency separately. Source detection, selected objects, account limits, and destination validation determine the observed delay.
Review write-back, deletion handling, update timing, and account limits with the integration team.
Some objects have historical sync only; deletion checks for supported objects can run at different intervals.

FAQ