AI Agents for Microsoft Dynamics 365: Finance Automation via OData and OAuth | ChatFin
ERP Integration — Microsoft Dynamics 365

AI Agents for Microsoft Dynamics 365

ChatFin connects to Dynamics 365 Finance and Business Central via OData v4 API with Azure AD OAuth 2.0. Autonomous AP, bank reconciliation, General Journal posting, close, and FP&A on your live Dynamics data.

OData v4Azure AD OAuth 2.0Finance and OperationsBusiness CentralFinancial Dimensions
chatfin → dynamics-365 — live
// Connection
api: https://your-org.operations.dynamics.com
auth: Azure AD OAuth 2.0 (app registration)
write: GeneralJournals + VendorInvoices endpoints

// Tonight
22:08 AP 198 invoices matched, 82% auto
23:40 RECON GL cleared, 7 bank accounts
01:30 JE 29 journal lines staged
06:00 PACK Board pack draft ready
ChatFin works on all major ERPs — same agents, same deployment
NetSuiteSAP S/4HANASAP Business OneJD EdwardsDynamics 365AcumaticaSage IntacctOracle FusionQuickBooks
NetSuiteSAP S/4HANASAP Business OneJD EdwardsDynamics 365AcumaticaSage IntacctOracle FusionQuickBooks

What runs on Dynamics 365

Six finance operations. All automated.

📄
AP Invoice Automation
Accounts Payable

Invoices extracted via OCR, matched to Dynamics 365 purchase orders, GL coded to dimensions, and routed through approval workflow. 80 to 88% touchless at steady state.

OCR extractionPO matchGL codingapproval routing
🏦
Bank Reconciliation
Close and Reconciliation

Bank feeds matched to Dynamics 365 GL entries nightly. Clearing accounts resolved automatically. Exception list delivered to controller each morning with specific unmatched items only.

nightlymulti-accountexception routingauto-clear
📒
Accruals and Journal Entries
Close Operations

Open POs and recurring vendor data in Dynamics 365 used to calculate accruals. Journal entries staged for controller approval. Reversal entries auto-created for the following period.

open PO accrualsJE stagingreversal auto-createdperiod-end
🔄
Intercompany Reconciliation
Multi-Entity Close

Dynamics 365 entity or subsidiary intercompany balances confirmed and eliminating entries prepared automatically. Exceptions routed to the relevant entity controller. Three-day manual process reduced to overnight.

intercompanyelimination JEsmulti-entityovernight
💰
AR Cash Application
Accounts Receivable

Customer payments matched to Dynamics 365 open AR at 97% accuracy. Short payments and unapplied cash flagged with context. Open items cleared directly in Dynamics 365 via API write-back.

97% accuracyopen item clearunapplied flagERP write-back
📊
Variance and FP&A Reporting
FP&A

Budget vs actual pulled from Dynamics 365 via live API. Variance commentary drafted automatically. Board pack assembled from live actuals. Ready for CFO review on day four, not day twelve.

live actualsauto-commentaryboard packday 4

ChatFin as the AI automation layer on top of Microsoft Dynamics 365 Finance and Business Central
ChatFin on Dynamics 365. Azure AD OAuth 2.0. Finance and Operations or Business Central.

Technical specification

How ChatFin connects to Dynamics 365

AttributeDetail
API protocolOData v4 via Dynamics 365 Finance and Operations data entities
AuthenticationAzure AD OAuth 2.0 with registered app and client secret
Write-back methodGeneralJournals, VendorInvoices, and CustomerPayments OData entities
Data accessedGL, AP, AR, Bank, Financial dimensions, Vendor and customer master
Editions supportedFinance and Operations (F&O) and Business Central both supported
Customizations requiredNone. Standard OData entities used. Azure AD app registration only.
D365 versionAll current Dynamics 365 cloud tenants
Deployment time4 to 6 weeks from Azure AD app registration to first automated close

Results

What Dynamics 365 teams achieve in 90 days

Day 5
Close day achieved
Down from day 12 to 14 on typical Dynamics 365 close
82%
AP touchless rate
Invoices matched and posted without human intervention
15
Pages consolidating
Dynamics 365 content pages absorbed into this hub
0
ISV packages needed
Standard OData entities only. No Dynamics ISV solution required

Close calendar showing Dynamics 365 teams reaching day 5 close with ChatFin automation
Dynamics 365 close on day 5. Reconciliation and accruals running throughout the month.

Deployment

Dynamics 365 to autonomous close in 4 to 6 weeks

1
Week 1 to 2

Audit your Dynamics 365 environment

ChatFin maps your Dynamics 365 chart of accounts, entity structure, AP workflow, and close process. Automation opportunity scorecard delivered end of week two.

Legal entity and financial dimension mapping
AP workflow and approval policy review
OData entity availability check
Azure AD tenant and permissions review
2
Week 3 to 5

Connect and configure agents

API connection established to your Dynamics 365 environment. Azure AD app registration and OData access configured. Matching rules, approval thresholds, and posting parameters configured with your finance team.

Azure AD app registration created
OData v4 read and write access established
AP matching and dimension coding rules defined
Parallel first-cycle validation run
3
Month 2 onward

Go live and improve monthly

Agents go fully live. Controller validates first automated close cycle. Touchless rates and exception handling improve monthly. New entities added on request.

First autonomous close cycle in month 2
Exception rates drop each month automatically
New entity or subsidiary rollout in days
Dedicated ChatFin ERP finance ops contact

From the ChatFin blog

Related reading

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Best AI Agents for Accounts Payable in 2026

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Talk to ChatFin

Dynamics 365 is Microsoft infrastructure. ChatFin adds the autonomous finance layer.

Azure AD OAuth 2.0 and OData v4 give ChatFin direct access to your Dynamics financial data. Autonomous close, AP, and reconciliation deploying in 4 to 6 weeks without Dynamics ISV packages or customization.

Native OData v4 with Azure AD OAuth 2.0. No ISV or partner solution required.

GeneralJournals and VendorInvoices write-back. Full Dynamics audit trail.

Finance and Operations and Business Central both supported on same platform.

Day 5 close target. 82% AP touchless rate by month three.

Talk to ChatFin about Dynamics 365
30 minute discovery call