Epicor
Prophet 21
Commerce Layer
CommerceWeave
CommerceWeave + Prophet 21: The deepest available integration between Epicor P21 and B2B commerce — real-time pricing, branch inventory, and customer account authority.
CommerceWeave's Epicor Prophet 21 native integration connects mid-market distribution B2B commerce to the full depth of P21's data model: customer account hierarchies, contract pricing tables with all tier and break structures, branch-level inventory by warehouse and bin, credit terms and credit hold status, order management and fulfillment status, and shipment tracking with carrier assignments.
Data Connection Overview
ERP System
Prophet 21
Live Data Integration
Commerce Layer
CommerceWeave
Customer Accounts & Hierarchy
Customer master data, account hierarchy, credit terms, and account classification pulled from P21 customer tables
Contract Pricing
Real-time price resolution from P21 price tables including contract rates, volume tiers, and date-bounded promotional pricing
Branch Inventory
On-hand, available, and on-order quantity by warehouse and branch location from P21 inventory tables
Product Master
SKU data, descriptions, units of measure, product hierarchy, and item attributes from P21 item master
Orders
Sales order creation in P21 from CommerceWeave checkout and quote acceptance with full line-item detail
Order Status
Real-time order status, fulfillment state, pick/pack progress, and ship date from P21 order management
Shipments
Shipment records, carrier tracking numbers, and delivery status from P21 shipping module
Invoices & Credit Memos
Invoice documents, payment status, and credit memo records from P21 accounts receivable
What This Integration Enables
Real-Time Contract Pricing from P21 Price Tables
CommerceWeave queries P21's price calculation engine for every buyer pricing request — product page views, cart additions, and checkout — passing the customer ID, SKU, and quantity to receive the authoritative price that P21 would apply to an internally-entered order. This includes all P21 price types: cost-plus pricing, margin-based pricing, contract price tables, quantity break pricing, and customer-specific price exceptions. The integration handles P21's multi-level price hierarchy — where a price may be set at the customer level, customer class level, or item group level — and returns the correct resolved price for the authenticated buyer. For distributors with hundreds of unique customer price books, this real-time architecture eliminates the pricing drift that occurs when contract pricing is batch-replicated to a commerce platform.
Branch Inventory Resolution by Warehouse
P21 manages inventory at the branch and warehouse level, with distinct on-hand, committed, and available quantities at each location. CommerceWeave's inventory queries are warehouse-aware: each customer is assigned to one or more warehouse locations, and the storefront displays availability for the inventory pool relevant to that customer's fulfillment context. A buyer served from the Chicago branch sees Chicago warehouse availability; a buyer served from the Dallas branch sees Dallas availability. This prevents the oversell situations and customer service overhead created when total company inventory is displayed without location context. The integration also surfaces on-order quantities and expected receipt dates for out-of-stock items, giving buyers the information they need to decide whether to wait or source elsewhere.
Order Submission with P21 Order Management Integration
Orders submitted through CommerceWeave's checkout or quote acceptance workflow are created directly in P21 as sales orders, using P21's order creation API with the full line-item detail, pricing, customer account information, ship-to address, requested delivery date, and purchase order number. The P21 order number is returned to CommerceWeave and displayed in the buyer's portal confirmation and order history. Subsequent order status updates — from entered through invoiced — are pulled from P21 in real time and displayed in the portal. The order creation step validates credit hold status, minimum order requirements, and shipping restrictions before creating the P21 order, preventing orders that would be rejected by P21 from creating a confusing failure experience for the buyer.
Common Edge Cases & Special Handling
AI Copilot for Epicor Integration
The AI copilot generates the initial CommerceWeave-to-P21 field mapping by analyzing the P21 schema — customer tables, item master, pricing tables, inventory tables, and order tables — and proposing entity mappings for each CommerceWeave commerce object. It produces a comprehensive set of pricing validation test scenarios by sampling customer accounts across price book types from P21 data, then executes these scenarios against the staging environment and compares results to P21's expected prices. It identifies price resolution conflicts, unmapped item attributes, and missing warehouse assignments before the integration goes live.
Mapping Generation
AI Copilot reads your ERP schema and auto-generates field mapping configurations, reducing manual mapping time by up to 80%.
Test Data
Generates realistic synthetic test datasets that mirror your ERP data structure so you can validate the integration before go-live.
Validation
Runs automated validation passes against your field mappings and flags edge cases — null values, data type mismatches, and format inconsistencies.
Monitoring
Post-launch monitoring surface that surfaces sync errors, latency anomalies, and field-level data quality issues in real time.
Integration Setup Overview
Prerequisites
- P21 version 2020.1 or later with REST API enabled
- P21 API user account with read access to customer, item, pricing, inventory, and order tables
- P21 write access for order creation via API (order entry user class)
- Network connectivity from CommerceWeave cloud environment to P21 REST API endpoint (VPN or secure direct connection)
- P21 item master cleaned and categorized for commerce catalog use
Setup Steps
Provision P21 API credentials and configure CommerceWeave integration connector with P21 API endpoint and authentication
Run AI copilot schema analysis to generate field mapping proposals for customer, item, pricing, inventory, and order entities
Review and approve mapping proposals, resolving any flagged ambiguities in the P21 pricing hierarchy
Configure warehouse-to-customer assignment rules and credit policy behavior
Execute AI-generated pricing and inventory validation test suite against staging environment
Review test results, resolve any pricing discrepancies in P21 configuration, and promote integration to production
AI Copilot accelerates this setup
With AI Copilot enabled, steps 1–3 above are handled automatically using your Prophet 21 schema. Most teams complete the full setup in under 3–5 weeks for standard scope; 5–8 weeks for complex pricing hierarchy or multi-branch inventory configurations without writing any configuration code.
Ready to connect Prophet 21 to CommerceWeave?
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Frequently Asked Questions — Prophet 21 Integration
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