Real-time
Two-way sync
Changes in Easypost or QuickBooks instantly reflect in both systems. No stale data, no manual imports.
E-commerce ⇄ Accounting and finance
Easypost to QuickBooks integration — real-time, two-way sync
Keep Easypost and QuickBooks in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
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Adopted by fast-scaling companies moving mission-critical data in real time
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Why teams connect Easypost and QuickBooks
Turn every Easypost order into clean revenue: QuickBooks and Easypost keep customers, orders, and payment status aligned in real time, in both directions.
Easypost runs the storefront — the catalog, the orders, and the buyers placing them. QuickBooks records the money behind those orders — invoices, revenue, payments, and the ledger the business closes on. The overlap is every customer, order, and product both sides need to agree on, and when that overlap is bridged by CSV export or an overnight batch, finance reconciles against stale numbers while the store quotes prices or stock the books no longer recognize.
Stacksync syncs Vendors, Items, Accounts, Journal entries in QuickBooks with Shipment, Address, Parcel, Rate in Easypost field by field, in real time, and in both directions. You decide which system owns which fields — an order's totals from Easypost, its paid-or-overdue state from QuickBooks — and Stacksync keeps every copy consistent and resolves conflicts by the rules you set.
The result is one shared record of who bought what and whether it has been paid, so the storefront, support, and the finance team all read from the same current data instead of re-keying it between systems.
Common use cases
- 01 Sync invoices and payments between QuickBooks and the CRM so sales sees billing status on the account record.
- 02 Mirror the chart of accounts and journal entries into a warehouse for consolidated financial reporting.
- 03 Sync CarrierAccount configuration and negotiated rates so shipping options stay consistent across the storefront, ERP, and 3PL systems.
- 04 Pull Shipment, Rate, and Refund records into a warehouse to report shipping cost per carrier and service and reclaim postage on labels that were never scanned.
Common sync patterns
Where QuickBooks is the money system of record: payment status on the order
Paid, overdue, and refunded state from QuickBooks lands on the order or account in Easypost, so the store and support see what has actually been collected.
One customer master
Where both systems keep customer or buyer records, an edit in either propagates to the other, ending duplicate accounts and mismatched contact details.
Catalog and pricing stay aligned
Products, SKUs, and prices maintained on one side propagate to the other, so what the store sells and what the ledger books stay in step.
What you can sync between Easypost and QuickBooks
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.
| Easypost objects | QuickBooks objects | How this pairing syncs | |
|---|---|---|---|
| Parcel Package dimensions and weight (or a predefined_package); created standalone or inline on a Shipment and reused across shipments and batches. | Accounts The chart of accounts, mirrored so external postings map to the right ledger lines | Parcel is specific to Easypost and Accounts to QuickBooks — each maps to any object or custom field on the other side. | |
| Rate Carrier service and price options EasyPost generates on a Shipment; read-only - you select a rate id and buy it, you do not create or edit rates directly. | Journal entries Manual postings exported for consolidated financial reporting | Rate is specific to Easypost and Journal entries to QuickBooks — each maps to any object or custom field on the other side. | |
| Tracker Tracking for a shipment by tracking_code and carrier; create a Tracker to begin tracking, read status and tracking_details, and receive tracker.updated events via webhook as the parcel moves. | Estimates Quotes that convert to invoices, synced with CRM quoting flows | Tracker is specific to Easypost and Estimates to QuickBooks — each maps to any object or custom field on the other side. | |
| Batch Bulk shipment processing; create a batch, add or remove shipments, buy all labels at once, and generate a consolidated label or ScanForm for the day's orders. | Purchase orders Procurement documents synced with inventory and ordering systems | Batch is specific to Easypost and Purchase orders to QuickBooks — each maps to any object or custom field on the other side. | |
| CarrierAccount Carrier credentials and settings that control which carriers and negotiated rates are available; create, update, and delete to manage enabled carriers across accounts. | Credit memos Adjustments to receivables, needed for accurate revenue syncs | CarrierAccount is specific to Easypost and Credit memos to QuickBooks — each maps to any object or custom field on the other side. | |
| Webhook Event subscriptions delivering an Event via HTTP POST on object changes; full CRUD (create, retrieve, list, update, delete) and the mechanism for near-real-time change delivery to Stacksync. | Customers Billing entities kept consistent with CRM accounts and subscription tools | Webhook is specific to Easypost and Customers to QuickBooks — each maps to any object or custom field on the other side. |
How changes propagate between Easypost and QuickBooks
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.
Easypost QuickBooks Sub-second propagation
DetectionEasypost notifies Stacksync of record changes through webhook events. Webhooks deliver an Event via HTTP POST on object changes (e.g.
DeliveryEach detected change is written to QuickBooks through its API, with automatic retries and rate-limit backoff.
QuickBooks Easypost Sub-second propagation
DetectionQuickBooks pushes changes as they happen — webhook events backed by change data capture. Webhooks for entity change events, plus a Change Data Capture query operation for pull-based deltas.
DeliveryEach detected change is written to Easypost through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Easypost: Fixed 5 requests/second on index (list) endpoints plus a dynamic load-based limiter protecting buy and rate operations; exceeding either returns HTTP 429 Too Many Requests.
- QuickBooks: Subject to per-realm API request limits.
What ships with Easypost ⇄ QuickBooks
Connect Easypost and QuickBooks for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Easypost–QuickBooks connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Easypost or QuickBooks 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 Easypost or QuickBooks record.
Observability
Monitoring
Track your Easypost ⇄ QuickBooks sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Easypost and QuickBooks.
How the Easypost and QuickBooks connectors work
Easypost
- Integration surface
- REST API (EasyPost API v2, https://api.easypost.com/v2)
- Authentication
- HTTP Basic auth with the API key as the username and an empty password (Bearer token also accepted); separate Test and Production keys
- Change detection
- Webhooks deliver an Event via HTTP POST on object changes (e.g. tracker.updated); historical pulls via list/index endpoints using before_id/after_id cursor pagination
- Capabilities
- read · write · webhooks
- Rate limits
- Fixed 5 requests/second on index (list) endpoints plus a dynamic load-based limiter protecting buy and rate operations; exceeding either returns HTTP 429 Too Many Requests
QuickBooks
- Integration surface
- REST API (QuickBooks Online)
- Authentication
- OAuth 2.0
- Change detection
- webhooks for entity change events, plus a Change Data Capture query operation for pull-based deltas
- Capabilities
- read · write · CDC · webhooks
- Rate limits
- subject to per-realm API request limits
How it works
How to connect Easypost to QuickBooks — 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 Easypost and QuickBooks with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Easypost
connected
QuickBooks
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Easypost and QuickBooks 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 · Easypost ⇄ QuickBooksCustomers 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.
Easypost QuickBooksCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Easypost and QuickBooks integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between Easypost and QuickBooks: authenticate both systems, choose the objects to sync (such as Easypost's Parcel and Rate), map fields visually, and changes propagate both ways in milliseconds — no code required.
-
On the QuickBooks side: Vendors, Items, Accounts, Journal entries, plus custom fields where QuickBooks exposes them. On the Easypost side: Shipment, Address, Parcel, Rate. 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.
-
Common patterns for Easypost and QuickBooks: Where QuickBooks is the money system of record: payment status on the order; One customer master; Catalog and pricing stay aligned. Paid, overdue, and refunded state from QuickBooks lands on the order or account in Easypost, so the store and support see what has actually been collected.
-
Easypost: REST API (EasyPost API v2, https://api.easypost.com/v2). Authentication: HTTP Basic auth with the API key as the username and an empty password (Bearer token also accepted); separate Test and Production keys. QuickBooks: REST API (QuickBooks Online). Authentication: OAuth 2.0. Stacksync manages authentication, retries, and rate limits on both sides.
-
QuickBooks: The API supports a SQL-like query language over entities (for example, SELECT statements against Invoice or Customer). Easypost: Rates are generated by EasyPost, not written - you create a Shipment, receive a set of Rate options, then buy against the chosen rate id, and the label (postage_label) and tracking_code come back on the purchased Shipment. Stacksync's field mapping accounts for these differences between Easypost and QuickBooks without custom code.
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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