How does ml-connector handle Infor CloudSuite's per-tenant base URL and different product lines?

Infor CloudSuite credentials are provided in a .ionapi file that contains the tenant-specific ION API Gateway base URL, region, OAuth token endpoint, and client credentials. ml-connector extracts this information and constructs API requests accordingly. Different product lines (M3, SyteLine, LN, FSM) use different API styles and pagination methods; ml-connector uses the appropriate list operation and filtering method for each.

What prevents duplicate invoices or POs if a sync run is replayed?

Infor M3 Add operations are not idempotent by default. ml-connector either queries the target system first to verify the record does not already exist, or maintains an external record of processed transactions by Infor ID to prevent re-insertion if a sync fails and is retried. This is logged in the sync audit trail.

How do GL account and cost center mappings work across the two systems?

Before invoices or POs are staged in ServiceNow, ml-connector reads the GL account and cost center reference tables from both systems, aligns Infor identifiers with matching ServiceNow records, and includes the ServiceNow GL account and cost center IDs in the staged invoice or PO record. If a mapping is missing, the sync logs the error and the record is marked for manual review.

Infor CloudSuiteServiceNow

Infor CloudSuite and ServiceNow integration

Infor CloudSuite runs manufacturing, distribution, and finance operations. ServiceNow handles IT service management and, through Source-to-Pay, accounts payable and procurement. Connecting the two keeps invoice and purchase order records synchronized between your ERP and your enterprise service platform without manual re-entry. Suppliers added to Infor CloudSuite propagate to ServiceNow, invoices and POs flow into the staging tables where they are ready for approval and payment workflow, and GL account mappings stay aligned so financial records post to the right accounts.

How Infor CloudSuite works

Infor CloudSuite exposes suppliers, purchase orders, invoices, GL accounts, customers, items, and payments through REST APIs via the ION API Gateway, with a base URL constructed from per-customer tenant ID and region. Authentication uses OAuth 2.0 Resource Owner Password Credentials Grant with service account credentials and client ID/secret provided in the .ionapi credentials file. The platform has no self-service webhook system; instead it supports BOD/XML document flows that require ION Desk configuration by an admin, or polling by modified date. Different product lines within CloudSuite (M3, SyteLine, LN, FSM) use different API styles and pagination methods, and most M3 operations require a company number (CONO) parameter. Rate limits typically allow 100 to 500 requests per minute per client.

How ServiceNow works

ServiceNow exposes accounts payable, GL accounts, cost centers, procurement purchase orders, and Source-to-Pay staging tables through REST APIs at an instance-specific subdomain. Authentication uses OAuth 2.0 Client Credentials (machine-to-machine recommended), OAuth 2.0 Authorization Code, or Basic Auth, and requires appropriate module roles such as sn_apay.apo_user for Accounts Payable Operations. Source-to-Pay functionality is a module-licensed add-on; base ITSM instances do not include the staging tables. Polling is the only standard method; outbound REST Messages require admin configuration in the instance and do not have built-in HMAC signatures. OAuth tokens have a default lifespan of 1800 seconds (30 minutes).

What moves between them

Invoices, purchase orders, and suppliers flow from Infor CloudSuite into ServiceNow's staging tables on a schedule controlled by ml-connector. GL accounts and cost centers are synchronized in both directions so that ServiceNow procurement and payable operations land on valid accounting dimensions. Invoices and POs are read by polling the list of modified records since the last sync run, staged in the ServiceNow instance, and marked complete so subsequent syncs do not reprocess them.

How ml-connector handles it

ml-connector constructs the Infor CloudSuite base URL from the per-customer .ionapi credentials file, handles OAuth 2.0 token refresh for both Infor and ServiceNow (accounting for different token lifespans and grant types), and polls the Infor APIs for new and modified invoices, POs, and suppliers using the API's list operations filtered by modification date. For each read, it stages the records in the ServiceNow Source-to-Pay staging tables (sn_apo_invoice, proc_po, and related). Because Infor M3 operations are not idempotent by default, ml-connector queries before inserting or performs external deduplication to prevent duplicate invoice line items if a sync is replayed. It respects Infor rate limits by handling HTTP 429 responses with exponential backoff, and it maps Infor GL account and cost center dimensions to matching ServiceNow records before posting, so financial allocations route to valid accounts. Every sync run is logged with full record counts and error states.

A real-world example

A mid-sized manufacturing company runs Infor CloudSuite M3 for production planning, procurement, and finance across three plants and a shared services center. They use ServiceNow for IT operations and have recently added Source-to-Pay for invoice approval and procurement workflows. Before the integration, the procurement team received POs and invoice records in separate spreadsheets exported from CloudSuite on a manual schedule, manually uploaded them to ServiceNow's staging tables, and then routed them through approval workflows. Duplicate invoice uploads and misaligned GL codes caused month-end reconciliation delays and manual fixes. With Infor CloudSuite and ServiceNow connected, each PO and invoice in CloudSuite automatically stages in ServiceNow within the sync window, duplicate prevention logic eliminates re-uploads, and cost center mappings ensure GL postings land on the right accounts the first time.

What you can do

Sync suppliers, invoices, and purchase orders from Infor CloudSuite into ServiceNow staging tables on a polling schedule.
Map Infor GL accounts and cost centers to ServiceNow dimensions so financial records post to valid accounts.
Deduplicate invoice and PO records to prevent re-keying if a sync run is replayed.
Authenticate with Infor's per-tenant OAuth 2.0 credentials and ION Gateway URL, and ServiceNow's OAuth 2.0 Client Credentials.
Poll on a schedule you control, with a full audit trail and error replay on every record.

Questions

How does ml-connector handle Infor CloudSuite's per-tenant base URL and different product lines?: Infor CloudSuite credentials are provided in a .ionapi file that contains the tenant-specific ION API Gateway base URL, region, OAuth token endpoint, and client credentials. ml-connector extracts this information and constructs API requests accordingly. Different product lines (M3, SyteLine, LN, FSM) use different API styles and pagination methods; ml-connector uses the appropriate list operation and filtering method for each.
What prevents duplicate invoices or POs if a sync run is replayed?: Infor M3 Add operations are not idempotent by default. ml-connector either queries the target system first to verify the record does not already exist, or maintains an external record of processed transactions by Infor ID to prevent re-insertion if a sync fails and is retried. This is logged in the sync audit trail.
How do GL account and cost center mappings work across the two systems?: Before invoices or POs are staged in ServiceNow, ml-connector reads the GL account and cost center reference tables from both systems, aligns Infor identifiers with matching ServiceNow records, and includes the ServiceNow GL account and cost center IDs in the staged invoice or PO record. If a mapping is missing, the sync logs the error and the record is marked for manual review.

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