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E-commerce ⇄ ERP

Easypost to Sage Intacct integration — real-time, two-way sync

Keep Easypost and Sage Intacct 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 Sage Intacct

Keep the storefront in step with the back office: Easypost and Sage Intacct share products, inventory, and orders in real time, in both directions.

Easypost runs the storefront and takes the orders; Sage Intacct owns the item master, the stock on hand, and the finance behind every transaction. The two overlap wherever the same products, customers, and sales matter to both — and when re-keying or an overnight batch is what connects them, the store oversells items it can't ship, quotes prices finance never set, or leaves buyers waiting on status that already changed.

Stacksync syncs Batch, CarrierAccount, Webhook, Shipment in Easypost with Purchasing Transactions, Dimensions, Employees, GL Accounts in Sage Intacct field by field, in real time, and in both directions. You decide which system owns which fields — stock and pricing from Sage Intacct, order and customer detail from Easypost — and Stacksync keeps every copy consistent and resolves conflicts by rules you set.

Common use cases

  • 01 Verify and normalize customer Addresses through EasyPost before they are saved to the CRM or OMS to cut failed deliveries and carrier address-correction surcharges.
  • 02 Sync CarrierAccount configuration and negotiated rates so shipping options stay consistent across the storefront, ERP, and 3PL systems.
  • 03 Keep project and department dimensions aligned with a PSA or HRIS so coding stays consistent across systems.
  • 04 Create AR invoices or Order Entry transactions from subscription and order data held in a Postgres application database.

Common sync patterns

Fulfillment and shipment status close the loop

As orders are picked, shipped, or invoiced in Sage Intacct, tracking and status flow back to Easypost so buyers see accurate updates.

One customer master

Where both systems keep customer records, a correction in either propagates to the other, ending dual maintenance.

Where Sage Intacct is the inventory system of record: stock stays accurate

Available quantities from Sage Intacct publish to Easypost, so the store shows what can actually ship and stops overselling.

What you can sync between Easypost and Sage Intacct

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 Sage Intacct objects How this pairing syncs
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. Order Entry Transactions Configurable sales transaction documents used as write targets for order-to-cash syncs. Webhook is specific to Easypost and Order Entry Transactions to Sage Intacct — each maps to any object or custom field on the other side.
Shipment The central writable object: create with a to/from Address and Parcel, receive Rate options, then buy a label to get postage_label and tracking_code; retrieve and list with cursor pagination. Purchasing Transactions Configurable procure-to-pay documents read and written by procurement integrations. Shipment is specific to Easypost and Purchasing Transactions to Sage Intacct — each maps to any object or custom field on the other side.
Address Origin and destination locations; create, retrieve, and list, plus address verification (delivery and residential) to normalize and validate addresses before they are saved downstream. Dimensions Location, Department, Project, Class and similar tags carried on every synced transaction line. Address is specific to Easypost and Dimensions to Sage Intacct — each maps to any object or custom field on the other side.
Parcel Package dimensions and weight (or a predefined_package); created standalone or inline on a Shipment and reused across shipments and batches. Employees Employee records used for expense and payroll-adjacent syncs. Parcel is specific to Easypost and Employees to Sage Intacct — 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. GL Accounts Chart of accounts read for mapping synced transactions. Rate is specific to Easypost and GL Accounts to Sage Intacct — 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. Journal Entries GL activity written from external systems and replicated to warehouses. Tracker is specific to Easypost and Journal Entries to Sage Intacct — each maps to any object or custom field on the other side.

How changes propagate between Easypost and Sage Intacct

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 Sage Intacct 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 Sage Intacct through its API, with automatic retries and rate-limit backoff.

Sage Intacct Easypost Interval-based propagation

DetectionStacksync polls Sage Intacct for changes on an incremental schedule, reading only records changed since the previous pass. Polling on WHENMODIFIED audit fields.

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.
What ships with Easypost ⇄ Sage Intacct

Connect Easypost and Sage Intacct for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Easypost–Sage Intacct connection.

Real-time

Two-way sync

Changes in Easypost or Sage Intacct instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Easypost or Sage Intacct 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 Sage Intacct record.

Observability

Monitoring

Track your Easypost ⇄ Sage Intacct 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 Sage Intacct.

How the Easypost and Sage Intacct 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
Easypost setup guide

Sage Intacct

Integration surface
XML web services gateway; REST API on newer releases
Authentication
Web Services sender ID plus company login (session-based) on the XML gateway; OAuth 2.0 on the REST API
Change detection
Polling on WHENMODIFIED audit fields; no log-based CDC or general webhook surface
Capabilities
read · write
How it works

How to connect Easypost to Sage Intacct — 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.

  1. 01

    Connect your apps

    Authenticate Easypost and Sage Intacct with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Easypost connected
    Sage Intacct connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Easypost and Sage Intacct 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.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Easypost ⇄ Sage Intacct
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Easypost Sage Intacct
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Easypost and Sage Intacct integration FAQ

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.

Learn more about security
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:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 464 integrations available for Easypost and Sage Intacct.

Popular · 6 of 464
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