Real-time
Two-way sync
Changes in Bill or Smartsheet instantly reflect in both systems. No stale data, no manual imports.
Accounting and finance ⇄ Business productivity
Bill to Smartsheet integration — real-time, two-way sync
Keep Bill and Smartsheet 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 Bill and Smartsheet
Connect the financial records in Bill with the work happening in Smartsheet, so both stay current without exports or copy-paste.
Bill holds the financial truth: who the customers are, what they were billed, what they paid. Smartsheet is where part of the day-to-day work happens, and that work often involves the same customers and transactions. Without a live connection, the two drift apart, and people end up answering questions from stale copies.
Stacksync keeps Chart of Accounts, Bank Accounts, Vendor Credits and Credit Memos, Bills in Bill and Discussions and Comments, Users and Groups, Sheets, Rows in Smartsheet in sync, bi-directionally and in real time. Whatever records Smartsheet keeps and whatever events it produces, the overlap with Bill is mapped field by field, and a change on either side shows up on the other within seconds.
There is no middleware to build, no API rate limits to babysit, and no nightly job that leaves the morning running on yesterday's data.
Common use cases
- 01 Write Vendors created during ERP onboarding into BILL so new payees are ready to pay without manual re-entry.
- 02 Read Payments and payment status into a reconciliation database once bills are marked paid in BILL.
- 03 Trigger downstream actions in an operational database when a Row's status Cell changes, using sheet webhooks for near-real-time updates.
- 04 Two-way sync a project-tracker Sheet's Rows with a Postgres table so engineering works in SQL while project managers stay in Smartsheet.
Common sync patterns
Where Smartsheet collects payments or triggers charges: events land in Bill
Payment and charge activity flows into Bill as it happens, so the books reflect reality without manual reconciliation.
Where Smartsheet tracks people or companies: one identity
A customer's details updated in either system update the other, so finance and the rest of the business stop maintaining two versions of the same customer.
Where Smartsheet handles customer conversations: billing context in view
Front-line teams see invoice and payment status from Bill next to the customer they are helping, without logging into the finance system.
What you can sync between Bill and Smartsheet
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.
| Bill objects | Smartsheet objects | How this pairing syncs | |
|---|---|---|---|
| Vendors Payee master records; synced two-way with vendor/supplier tables in an ERP or accounting system so new payees don't have to be re-keyed. | Reports Read-only roll-ups spanning multiple sheets; pulled into a warehouse for cross-sheet reporting, capped at 50,000 rows. | Vendors is specific to Bill and Reports to Smartsheet — each maps to any object or custom field on the other side. | |
| Invoices Accounts-receivable invoices sent to customers; created and read via /v3/invoices to keep billing status aligned with the ERP or CRM. | Attachments Files linked to rows or sheets; posting one carries a 10x rate cost, so bulk file sync is throttled to 30 per minute. | Invoices is specific to Bill and Attachments to Smartsheet — each maps to any object or custom field on the other side. | |
| Customers AR customer master records; mapped to customer/account records in a CRM or ERP so finance and sales share one view. | Discussions and Comments Threaded comments on rows and sheets; read out to sync collaboration history or activity into another system. | Customers is specific to Bill and Discussions and Comments to Smartsheet — each maps to any object or custom field on the other side. | |
| Payments Outgoing vendor payments and received customer payments; read for reconciliation and created to schedule bill pay. | Users and Groups Account membership and sharing; synced to keep an HR or identity source aligned with sheet and workspace access. | Payments is specific to Bill and Users and Groups to Smartsheet — each maps to any object or custom field on the other side. | |
| Chart of Accounts GL accounts used to code bills and invoices; typically mastered in the accounting system and written into BILL for consistent coding. | Sheets The core container; each sheet has typed columns, rows, and a modifiedAt stamp. Stacksync treats a sheet as a table and syncs its rows two-way. | Chart of Accounts is specific to Bill and Sheets to Smartsheet — each maps to any object or custom field on the other side. | |
| Bank Accounts Funding and deposit accounts; read to reconcile payments and posted transactions against the ledger. | Rows Records inside a sheet, each with createdAt/modifiedAt and cells keyed by columnId; the primary unit synced to and from external tables. | Bank Accounts is specific to Bill and Rows to Smartsheet — each maps to any object or custom field on the other side. |
How changes propagate between Bill and Smartsheet
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.
Bill Smartsheet Sub-second propagation
DetectionBill notifies Stacksync of record changes through webhook events. Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on.
DeliveryEach detected change is written to Smartsheet through its API, with automatic retries and rate-limit backoff.
Smartsheet Bill Sub-second propagation
DetectionSmartsheet notifies Stacksync of record changes through webhook events. Sheet-scoped webhooks subscribed to *.* events notify on row and cell changes.
DeliveryEach detected change is written to Bill through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Bill: 20,000 requests per developer key per hour; login (POST /v3/login) capped at 200/hour; maximum 3 concurrent requests per developer key per organization. Spend & Expense API is a separate token at 60 calls/token/minute.
- Smartsheet: 300 requests per minute per access token; heavy calls like posting attachments cost 10x (30/min). A 429 returns errorCode 4003, back off ~60s.
What ships with Bill ⇄ Smartsheet
Connect Bill and Smartsheet for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Bill–Smartsheet connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Bill or Smartsheet 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 Bill or Smartsheet record.
Observability
Monitoring
Track your Bill ⇄ Smartsheet sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Bill and Smartsheet.
How the Bill and Smartsheet connectors work
Bill
- Integration surface
- REST/JSON (BILL v3 Connect API)
- Authentication
- Session-based: POST /v3/login with username, password, organizationId, and a developer key (devKey) returns a sessionId that is passed with the devKey as headers on every subsequent call; OAuth is available for partner/embedded apps
- Change detection
- Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on createdTime/updatedTime list filters as the fallback
- Capabilities
- read · write · webhooks
- Rate limits
- 20,000 requests per developer key per hour; login (POST /v3/login) capped at 200/hour; maximum 3 concurrent requests per developer key per organization. Spend & Expense API is a separate token at 60 calls/token/minute.
Smartsheet
- Integration surface
- REST API (v2.0)
- Authentication
- OAuth 2.0 authorization-code flow, or a raw/personal API access token passed as a Bearer header
- Change detection
- Sheet-scoped webhooks subscribed to *.* events notify on row and cell changes; otherwise polling on sheet and row modifiedAt timestamps
- Capabilities
- read · write · webhooks
- Rate limits
- 300 requests per minute per access token; heavy calls like posting attachments cost 10x (30/min). A 429 returns errorCode 4003, back off ~60s.
How it works
How to connect Bill to Smartsheet — 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 Bill and Smartsheet with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Bill
connected
Smartsheet
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Bill and Smartsheet 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 · Bill ⇄ SmartsheetCustomers 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.
Bill SmartsheetCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Bill and Smartsheet integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Bill and Smartsheet: authenticate both systems, choose the objects to sync (such as Bill's Vendors and Invoices), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Bill and Smartsheet connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Bill–Smartsheet integration in-house.
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Yes — Stacksync ships production-grade connectors for both Bill and Smartsheet. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on Bill: Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on createdTime/updatedTime list filters as the fallback. On Smartsheet: Sheet-scoped webhooks subscribed to *.* events notify on row and cell changes; otherwise polling on sheet and row modifiedAt timestamps. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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On the Bill side: Chart of Accounts, Bank Accounts, Vendor Credits and Credit Memos, Bills, plus custom fields where Bill exposes them. On the Smartsheet side: Discussions and Comments, Users and Groups, Sheets, Rows. 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.
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
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:
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