Real-time
Two-way sync
Changes in BambooHR or Bill instantly reflect in both systems. No stale data, no manual imports.
Human resources ⇄ Accounting and finance
BambooHR to Bill integration — real-time, two-way sync
Keep BambooHR and Bill 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 BambooHR and Bill
Keep the employee, department, and cost records that Bill and BambooHR share consistent in real time, so the finance system and the people system stop drifting apart.
Bill runs the money side of the company: who gets paid, what it costs, and which part of the business the cost belongs to. BambooHR runs the people side: who works here, which team they sit in, and how their employment changes over time. The two overlap on the same people and the same org structure, because every employee is also a payee and every department is also a cost center. When that overlap is maintained by hand, a new hire, a transfer, or a termination has to be keyed twice, and the two systems start to disagree about who is active and where the cost lands.
Stacksync syncs Vendor Credits and Credit Memos, Bills, Vendors, Invoices in Bill with Reports, Employees, Job Information, Compensation in BambooHR bi-directionally and in real time. A person added, updated, or deactivated on either side appears on the other within seconds, with field-level mapping and conflict resolution in place of CSV exports and nightly batch jobs.
That matters most when money follows a people event. A hire that finance can pay, a leaver whose access ends, a transfer that redirects cost to the right team, all happen from one change instead of two, so headcount and spend reconcile from the same set of records.
Common use cases
- 01 Read Payments and payment status into a reconciliation database once bills are marked paid in BILL.
- 02 Read approved Bills and their line items into a Postgres warehouse for spend, accrual, and cash-flow reporting without CSV exports.
- 03 Feed Compensation and custom-table data to a warehouse for HR analytics with field-level access control.
- 04 Sync Employees and Employment Status to identity and IT systems so new hires are provisioned and departures deactivated automatically.
Common sync patterns
People-driven costs land in finance
Compensation, reimbursements, or other costs tied to a person on the BambooHR side flow into Bill for posting, so the books reflect what people actually cost without manual re-entry.
New person becomes a known record in finance
When someone is added in BambooHR, a matching employee or payee record appears in Bill, ready for payroll, expenses, or cost allocation without anyone rekeying the details.
One employee identity
A person's name, ID, or contact details corrected in either system update the other, so finance and HR reference the same person instead of maintaining two versions.
What you can sync between BambooHR and Bill
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.
| BambooHR objects | Bill objects | How this pairing syncs | |
|---|---|---|---|
| Job Information Effective-dated job title, department, division, location, and reporting line; synced so org charts and provisioning systems track internal moves. | Payments Outgoing vendor payments and received customer payments; read for reconciliation and created to schedule bill pay. | Job Information is specific to BambooHR and Payments to Bill — each maps to any object or custom field on the other side. | |
| Compensation Effective-dated pay rate, schedule, and change reason; read into planning and payroll systems with access restricted to authorized fields. | Chart of Accounts GL accounts used to code bills and invoices; typically mastered in the accounting system and written into BILL for consistent coding. | Compensation is specific to BambooHR and Chart of Accounts to Bill — each maps to any object or custom field on the other side. | |
| Time Off Requests, balances, and policies; read for absence calendars and capacity planning, with approved requests written from an external scheduling tool. | Bank Accounts Funding and deposit accounts; read to reconcile payments and posted transactions against the ledger. | Time Off is specific to BambooHR and Bank Accounts to Bill — each maps to any object or custom field on the other side. | |
| Employment Status Effective-dated hire, leave, and termination status; drives automated provisioning and deprovisioning in downstream identity and license systems. | Vendor Credits and Credit Memos AP and AR adjustments applied against bills and invoices; synced so balances stay accurate on both sides. | Employment Status is specific to BambooHR and Vendor Credits and Credit Memos to Bill — each maps to any object or custom field on the other side. | |
| Departments and Divisions Org-structure list values; synced to keep cost centers and team groupings consistent across ERP, identity, and analytics systems. | Bills Accounts-payable amounts owed to vendors, with bill line items; read and created via /v3/bills and pulled incrementally by filtering on createdTime/updatedTime. | Departments and Divisions is specific to BambooHR and Bills to Bill — each maps to any object or custom field on the other side. | |
| Custom Tables Company-specific effective-dated tables (assets, training, certifications); rows read and written so custom HR data isn't trapped in the HRIS. | 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. | Custom Tables is specific to BambooHR and Vendors to Bill — each maps to any object or custom field on the other side. |
How changes propagate between BambooHR and Bill
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.
BambooHR Bill Sub-second propagation
DetectionBambooHR notifies Stacksync of record changes through webhook events. The Get Updated Employee IDs endpoint (last-changed timestamps) returns employees inserted, updated, or deleted since a cursor for efficient polling.
DeliveryEach detected change is written to Bill through its API, with automatic retries and rate-limit backoff.
Bill BambooHR 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 BambooHR through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- BambooHR: Requests are rate-limited per API key with standard REST throttling (429 on excess); bulk reads are best done through saved Reports or the updated-IDs delta endpoint rather than per-employee calls.
- 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.
What ships with BambooHR ⇄ Bill
Connect BambooHR and Bill for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every BambooHR–Bill connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever BambooHR or Bill 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 BambooHR or Bill record.
Observability
Monitoring
Track your BambooHR ⇄ Bill sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between BambooHR and Bill.
How the BambooHR and Bill connectors work
BambooHR
- Integration surface
- BambooHR API (REST, per-company subdomain)
- Authentication
- API key per user over HTTP Basic auth (key as username), scoped to that user's permission level in BambooHR; OAuth/OpenID available for SSO-enabled apps
- Change detection
- The Get Updated Employee IDs endpoint (last-changed timestamps) returns employees inserted, updated, or deleted since a cursor for efficient polling; webhooks can fire on monitored field changes
- Capabilities
- read · write · webhooks
- Rate limits
- Requests are rate-limited per API key with standard REST throttling (429 on excess); bulk reads are best done through saved Reports or the updated-IDs delta endpoint rather than per-employee calls.
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.
How it works
How to connect BambooHR to Bill — 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 BambooHR and Bill with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
BambooHR
connected
Bill
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the BambooHR and Bill 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 · BambooHR ⇄ BillCustomers 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.
BambooHR BillCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
BambooHR and Bill integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between BambooHR and Bill: authenticate both systems, choose the objects to sync (such as BambooHR's Job Information and Compensation), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Yes — Stacksync ships production-grade connectors for both BambooHR and Bill. 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 BambooHR: The Get Updated Employee IDs endpoint (last-changed timestamps) returns employees inserted, updated, or deleted since a cursor for efficient polling; webhooks can fire on monitored field changes. 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. 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: Vendor Credits and Credit Memos, Bills, Vendors, Invoices, plus custom fields where Bill exposes them. On the BambooHR side: Reports, Employees, Job Information, Compensation. 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 BambooHR and Bill: People-driven costs land in finance; New person becomes a known record in finance; One employee identity. Compensation, reimbursements, or other costs tied to a person on the BambooHR side flow into Bill for posting, so the books reflect what people actually cost without manual re-entry.
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:
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