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Business productivity ⇄ ERP

Notion to Sage 300 integration — real-time, two-way sync

Keep Notion and Sage 300 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 Notion and Sage 300

Bridge the tools people work in and the system the business runs on: real-time, two-way sync between Notion and Sage 300.

The ERP holds the records the business is run on, and it is rarely where day-to-day work happens. Notion is closer to the work, and the two often need the same facts about the same people, organizations, and transactions. Bridging them by hand, or by nightly file transfer, leaves each side out of date for hours at a time.

Stacksync syncs Databases / Data sources, Properties, Blocks, Formula and Rollup properties in Notion with Purchase Orders, Inventory Items, AR Invoices and Receipts, AR Customers in Sage 300 bi-directionally and in real time, with field-level mapping and rules for which system wins on conflict. Changes made where the work happens reach the system of record within seconds, and the reverse.

Common use cases

  • 01 Two-way sync a Notion projects or tasks data source with a Postgres table so engineers work in SQL while the team edits Pages in Notion, mapping status, date, and assignee properties both ways.
  • 02 Push rows from a warehouse or another database into a Notion data source as Pages so ops and leadership read live metrics in a familiar Notion view.
  • 03 Replicate GL, AR, and AP detail to a warehouse for consolidated multi-company reporting.
  • 04 Keep inventory items and quantities aligned with e-commerce and warehouse systems on a schedule.

Common sync patterns

Master data corrections travel

A customer, supplier, or contact detail corrected in either system updates the other, ending duplicate maintenance.

Where Notion faces customers and Sage 300 carries account records

Order, invoice, or account status from Sage 300 appears alongside the customer in Notion, so front-line teams answer from live data.

Where Sage 300 is the HR or people system of record

Worker and organization data from Sage 300 stays current in Notion, so the tools people use daily reflect the org as it actually is.

What you can sync between Notion and Sage 300

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.

Notion objects Sage 300 objects How this pairing syncs
Blocks The page body — paragraphs, headings, to-dos, tables — nested as children and fetched recursively, separate from a page's properties. AP Vendors Payables vendor master synced with procurement and payment systems. Blocks is specific to Notion and AP Vendors to Sage 300 — each maps to any object or custom field on the other side.
Formula and Rollup properties Values computed by Notion from other fields; read-only, so they are pulled out for reporting but never written back. GL Accounts Chart of accounts read for transaction mapping across integrations. Formula and Rollup properties is specific to Notion and GL Accounts to Sage 300 — each maps to any object or custom field on the other side.
Users Workspace members and bots referenced by people properties; read-only — users cannot be created or invited through the API. Journal Batches GL entries staged in batches that must be posted; a common write target for external systems. Users is specific to Notion and Journal Batches to Sage 300 — each maps to any object or custom field on the other side.
Comments Page and inline discussion threads; can be read and created, useful for surfacing Notion activity in another system. Order Entry Orders Sales orders written from e-commerce or EDI feeds. Comments is specific to Notion and Order Entry Orders to Sage 300 — each maps to any object or custom field on the other side.
Files and attachments File-property and file-block values. Notion-hosted URLs are temporary and expire, so files are re-fetched or copied at sync time. Purchase Orders Procurement documents read for spend visibility and receiving. Files and attachments is specific to Notion and Purchase Orders to Sage 300 — each maps to any object or custom field on the other side.
Pages The core content unit and also every row of a database; synced two-way as records, with typed properties mapping to table columns. Inventory Items Item master with costing and quantities, synced to storefronts and WMS. Pages is specific to Notion and Inventory Items to Sage 300 — each maps to any object or custom field on the other side.

How changes propagate between Notion and Sage 300

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.

Notion Sage 300 Sub-second propagation

DetectionNotion notifies Stacksync of record changes through webhook events. Workspace webhooks (page.created, page.content_updated, data_source.schema_updated, comment.created.

DeliveryEach detected change is applied to Sage 300 as a row-level write, with types converted between the two schemas.

Sage 300 Notion Interval-based propagation

DetectionStacksync polls Sage 300 for changes on an incremental schedule, reading only records changed since the previous pass. Scheduled polling.

DeliveryEach detected change is written to Notion through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Notion: Average of ~3 requests/second per integration with some bursts; 429 with a Retry-After header when exceeded. Payloads capped at 500 KB and 1000 block elements.
What ships with Notion ⇄ Sage 300

Connect Notion and Sage 300 for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Notion–Sage 300 connection.

Real-time

Two-way sync

Changes in Notion or Sage 300 instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Notion or Sage 300 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 Notion or Sage 300 record.

Observability

Monitoring

Track your Notion ⇄ Sage 300 sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Notion and Sage 300.

How the Notion and Sage 300 connectors work

Notion

Integration surface
REST API (api.notion.com/v1)
Authentication
OAuth 2.0 for public integrations, or an internal integration secret (bearer token); every request must send a Notion-Version header
Change detection
Workspace webhooks (page.created, page.content_updated, data_source.schema_updated, comment.created; HMAC-SHA256 signed) plus polling on each page's last_edited_time
Capabilities
read · write · webhooks
Rate limits
Average of ~3 requests/second per integration with some bursts; 429 with a Retry-After header when exceeded. Payloads capped at 500 KB and 1000 block elements.

Sage 300

Integration surface
Sage 300 Web API (REST) on newer releases; .NET/COM SDK and direct SQL Server access on-prem
Authentication
Sage 300 user credentials (Basic auth on the Web API); database credentials for direct SQL reads
Change detection
Scheduled polling; batch-oriented modules with no webhook surface
Capabilities
read · write
How it works

How to connect Notion to Sage 300 — 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 Notion and Sage 300 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
    Notion connected
    Sage 300 connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Notion and Sage 300 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 · Notion ⇄ Sage 300
    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
    Notion Sage 300
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Notion and Sage 300 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
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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:

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 514 integrations available for Notion and Sage 300.

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