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E-commerce ⇄ ERP

Easypost to Microsoft Dynamics GP integration — real-time, two-way sync

Keep Easypost and Microsoft Dynamics GP 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 Microsoft Dynamics GP

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

Easypost runs the storefront and takes the orders; Microsoft Dynamics GP 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 Address, Parcel, Rate, Tracker in Easypost with Vendors, Sales Documents (SOP), Purchase Orders (POP), Inventory Items (IV) in Microsoft Dynamics GP field by field, in real time, and in both directions. You decide which system owns which fields — stock and pricing from Microsoft Dynamics GP, order and customer detail from Easypost — and Stacksync keeps every copy consistent and resolves conflicts by rules you set.

Common use cases

  • 01 When an order is ready to ship in an OMS, ERP, or database, create an EasyPost Shipment, buy the lowest qualifying Rate, and write the label URL and tracking code back onto the order.
  • 02 Create a Tracker for every outbound shipment and stream tracker.updated webhook events into Postgres or a warehouse so support and ops see live delivery status beside order records.
  • 03 Push web or CRM orders into Sales Order Processing through eConnect instead of manual entry.
  • 04 Keep item and inventory data aligned with an ecommerce storefront.

Common sync patterns

Where Microsoft Dynamics GP is the inventory system of record: stock stays accurate

Available quantities from Microsoft Dynamics GP publish to Easypost, so the store shows what can actually ship and stops overselling.

New orders reach the back office

An order captured in Easypost creates the matching record in Microsoft Dynamics GP with customer, line items, and totals, so fulfillment and invoicing start without re-entry.

One product catalog

Where both systems keep item records, SKUs, descriptions, and attributes stay aligned so the store and the back office describe the same product.

What you can sync between Easypost and Microsoft Dynamics GP

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 Microsoft Dynamics GP objects How this pairing syncs
CarrierAccount Carrier credentials and settings that control which carriers and negotiated rates are available; create, update, and delete to manage enabled carriers across accounts. Purchase Orders (POP) Procurement documents reconciled with receiving and vendor systems. CarrierAccount is specific to Easypost and Purchase Orders (POP) to Microsoft Dynamics GP — 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. Inventory Items (IV) Item master and quantity data mirrored to ecommerce and planning systems. Webhook is specific to Easypost and Inventory Items (IV) to Microsoft Dynamics GP — 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. GL Accounts & Journal Entries Financial ledger data replicated to warehouses for consolidated reporting. Shipment is specific to Easypost and GL Accounts & Journal Entries to Microsoft Dynamics GP — 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. Receivables & Payables Transactions Open and historical AR/AP transactions read for cash and aging reporting. Address is specific to Easypost and Receivables & Payables Transactions to Microsoft Dynamics GP — 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. Company Databases Per-company SQL databases that define the scope of any sync. Parcel is specific to Easypost and Company Databases to Microsoft Dynamics GP — 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. Customers Receivables master records (RM tables) synced with CRMs and billing tools. Rate is specific to Easypost and Customers to Microsoft Dynamics GP — each maps to any object or custom field on the other side.

How changes propagate between Easypost and Microsoft Dynamics GP

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 Microsoft Dynamics GP 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 applied to Microsoft Dynamics GP as a row-level write, with types converted between the two schemas.

Microsoft Dynamics GP Easypost Sub-second propagation

DetectionChanges in Microsoft Dynamics GP are captured at the source via change data capture — no polling loop against its API. SQL Server change tracking or log-based CDC on the company database, or polling on row timestamps.

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 ⇄ Microsoft Dynamics GP

Connect Easypost and Microsoft Dynamics GP for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Easypost–Microsoft Dynamics GP connection.

Real-time

Two-way sync

Changes in Easypost or Microsoft Dynamics GP instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Easypost or Microsoft Dynamics GP 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 Microsoft Dynamics GP record.

Observability

Monitoring

Track your Easypost ⇄ Microsoft Dynamics GP 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 Microsoft Dynamics GP.

How the Easypost and Microsoft Dynamics GP 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

Microsoft Dynamics GP

Integration surface
SQL Server database access plus the eConnect stored-procedure API; Web Services for GP on some deployments
Authentication
SQL Server credentials or Windows authentication
Change detection
SQL Server change tracking or log-based CDC on the company database, or polling on row timestamps
Capabilities
read · write · CDC
How it works

How to connect Easypost to Microsoft Dynamics GP — 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 Microsoft Dynamics GP 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
    Microsoft Dynamics GP connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Easypost and Microsoft Dynamics GP 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 ⇄ Microsoft Dynamics GP
    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 Microsoft Dynamics GP
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
FAQ

Easypost and Microsoft Dynamics GP 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.

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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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