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REST API OAuth 2.0 Bi-Directional Enterprise Security

Conga Apttus CPQ & Microsoft Dynamics 365 —
Connected, Secured, Automated

A fully bi-directional REST integration between Salesforce Conga Apttus CPQ and Microsoft Dynamics 365 CRM — syncing Quotes and Orders automatically, secured by OAuth 2.0, with enterprise-grade error handling.

Domain
Telecom
Protocol
REST / HTTPS
Auth
OAuth 2.0
Sync
Bi-Directional

A Secure Bridge Between
Two Enterprise Platforms

Quotes flow from Dynamics 365 into Salesforce Conga Apttus CPQ. Accepted Quotes trigger Order creation back in Dynamics 365. All secured via OAuth 2.0.

☁️
Salesforce
Conga Apttus CPQ
Apex REST Endpoints
Connected App
Quote + Order Objects
Quotes
🔐 OAuth 2.0
Consumer Key + Secret
Bearer Token per request
Orders
Quotes
D365 → Salesforce CPQ
🔐 OAuth 2.0
Consumer Key + Secret · Bearer Token per request
Orders
Salesforce CPQ → D365
🪟
Microsoft
Dynamics 365 CRM
REST Callouts
Quote Lifecycle
Order Sync

Inbound & Outbound —
Full Lifecycle Coverage

The integration handles two distinct data flows — Dynamics 365 managing Quotes in Salesforcer Conga Apttus CPQ, and Conga Apttus CPQ pushing Orders back to Dynamics 365.

Inbound — D365 → Salesforce

REST Web Services — Quote Lifecycle Management

Custom Apex REST endpoints exposed to Microsoft Dynamics 365 — enabling D365 to create, update, and delete Quotes directly in Conga Apttus CPQ via secure API calls.

POST @HttpPost — Create new Quote in Conga Apttus CPQ
PATCH @HttpPatch — Update existing Quote and line items
DELETE @HttpDelete — Delete a Quote from Conga Apttus CPQ
Outbound — Salesforce → D365

REST Callout Services — Order & Order Line Item Sync

When a Quote is Accepted in Conga Apttus CPQ, Apex REST callout services automatically create Orders and Order Line Items in Dynamics 365 — and propagate any subsequent order updates in near real time.

POST Create Order + Order Line Items in D365
PATCH Update Orders on CPQ changes — near real time

Six Pillars of an
Enterprise-Grade Integration

OAuth 2.0 Authentication

Salesforce Connected App configured with OAuth 2.0 — external systems generate access tokens using Consumer Key and Secret, with dynamic token refresh for every API call.

Custom Apex REST Endpoints

Dedicated Apex REST classes expose @HttpPost, @HttpPatch, and @HttpDelete endpoints — covering the complete Quote lifecycle for inbound requests from Dynamics 365.

JSON Parser & Builder Framework

A custom parser layer handles JSON deserialization, data validation, field mapping, and transformation — converting D365 payloads into Apttus CPQ objects and vice versa.

Multi-Layer Security

OAuth token validation, integration-specific Permission Sets, and object-level and field-level security enforcement ensure every API transaction meets enterprise security standards.

Bi-Directional Order Sync

Orders and Order Line Items created on Quote Acceptance are automatically pushed to Dynamics 365. Any CPQ order updates propagate in near real time, keeping both systems in sync.

Fault-Tolerant Error Handling

Structured HTTP status code evaluation, meaningful error responses, and transaction logging ensure every failure is captured, diagnosed, and traceable — no silent data loss.

End-to-End — Quote to Order, Automatically

🪟
D365 Request
Creates / updates Quote via REST
POST / PATCH / DELETE
🔐
OAuth Check
Token validated by Connected App
Rejected if invalid
🔧
JSON Parsed
Payload mapped to CPQ objects
Validated + transformed
☁️
CPQ Updated
Quote created / updated in Salesforce
Quote Accepted triggers outbound
📡
Order Callout
Apex POSTs Order + Lines to D365
OAuth token dynamically generated
D365 Synced
Both systems in sync — logged
Errors captured if any

Two Systems. One Source of Truth.
Zero Manual Steps.

0
Manual Data EntryQuote and Order data flows automatically between CPQ and Dynamics 365 — no re-keying, no delays
100%
Automated SyncCreate, update, delete — all Quote operations and Order syncs happen in real time without intervention
360°
Full TraceabilityEvery API transaction is logged — successes, failures, and retries — enabling complete audit visibility

Enterprise-grade security — OAuth 2.0, FLS/OLS enforcement, and Permission Set-based access control throughout

Fault-tolerant by design — no silent failures; every error is caught, structured, and logged for rapid diagnosis

Fully scalable — Apex REST framework and JSON parser layer are extensible to additional objects and endpoints

Built on Apex REST + OAuth 2.0
for Both Directions

Salesforce Apex REST Web Services
Conga Apttus CPQ (Telecom)
Microsoft Dynamics 365 REST API
OAuth 2.0 + Connected App
Custom JSON Parser + Builder
Apex REST Callout Services
HTTP Status + Error Logging
Integration Permission Sets

Need to Connect Salesforce to Another Enterprise Platform?

We build secure, scalable REST integrations between Salesforce and third-party systems — with OAuth 2.0 security, full data mapping, and enterprise-grade error handling.

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