The API Report CardAPI Index
THE API REPORT CARD / Logistics & Supply Chain / DDI System
DDI System

DDI System API

ddisystem.com

An Inform ERP API exists and real connectors ride it (ShipperHQ, Sellercloud, DCKAP), but there is no public developer portal, API reference, OpenAPI spec, or sandbox. API keys are held by DDI account reps, and with no webhook surface, syncs poll or run scheduled batches.

Last verified: July 2026Logistics & Supply Chain
API GRADE
F
VERIFIED JUL 2026

SCORECARD

ExistenceGOODAn Inform ERP API exists and production connectors ride it: ShipperHQ, Sellercloud, DCKAP Integrator, plus EDI providers.
AccessPOORNo self-serve provisioning: API keys are shared with DDI account reps and integrations route through pre-onboarded connectors.
CoveragePOORNo webhook or event-stream surface; eCommerce, CRM, and shipping syncs poll or run scheduled batches via paid connectors.
AuthFAILThe auth scheme is undisclosed; API keys and auth codes are held and shared by DDI account reps, not the customer.
Docs & DXFAILNo public API reference, OpenAPI spec, sandbox, or webhook docs; the surface is only learnable through sales or partners.
StabilityMIXED
MORE FROM THE REPORT CARD
Cetec ERPD+Accolent ERPDAptean FoodFAspenTechF
Supergood: DDI System has an API, but using it means gates, contracts, or workarounds. Ours doesn't: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

DDI System scores F on the API Report Card. An Inform ERP API exists and real connectors ride it (ShipperHQ, Sellercloud, DCKAP), but there is no public developer portal, API reference, OpenAPI spec, or sandbox. API keys are held by DDI account reps, and with no webhook surface, syncs poll or run scheduled batches.

Tried to integrate with DDI System?
SOURCES
No public developer portal, DDI System does not publish API reference docs, OpenAPI/Swagger specs, or a self-serve sandbox at ddisystem.com or advantive.com, forcing prospects and integrators to engage DDI sales or professional services to even learn the API surface advantive.com ↗
API keys and authentication codes cannot be self-provisioned, third-party integration guides explicitly state that API keys 'are shared with DDI account representatives who manage the connection,' meaning customers do not directly control their own API credentials docs.shipperhq.com ↗
No documented webhook or event-stream surface, real-time eCommerce, CRM, marketplace, and shipping integrations rely on polling or scheduled batch syncs orchestrated by paid third-party connectors, which is brittle and adds latency dckap.com ↗
Integration with third-party software is the most-cited weakness in user reviews, 'it does not integrate with 3rd party software well and anything you need to customize for your business costs a ton extra' trustradius.com ↗
Customization to expose or consume API endpoints carries explicit per-field/per-label costs (e.g., ~$1,000 to import a single field from a website into a DDI field), making even small API-driven workflows expensive softwareadvice.com ↗
A cottage industry of paid third-party connectors (DCKAP Integrator, Cyberpeak IT, Sellercloud, ShipperHQ, B2Sell) exists primarily to abstract the Inform ERP API for outside systems, adding per-connector subscription cost and a second vendor between the customer and their own data cyberpeakitsolutions.com ↗
New features and integrations are reported as 'hard to get used to' and 'integrating to DDI seems to be very complex', confirming friction even for customers paying for first-party support g2.com ↗
Post-Advantive there is no consolidated unified developer experience across Advantive products (DDI System vs Distribution One vs Pepperi vs VeraCore), so integrators have to learn separate, undocumented API surfaces for each sibling product advantive.com ↗
Sellercloud's published integration explicitly designates Inform ERP as the 'master system' with Sellercloud secondary and product/inventory data flowing out of Inform, indicating that even partner integrations are one-way and require careful sequencing to avoid drift sellercloud.com ↗
Integration with third-party software is consistently called out as difficult, reviewers report that 'it does not integrate with 3rd party software well' and that any customization needed for the business 'costs a ton extra' trustradius.com ↗
User interface is described as dated and unintuitive, 'lack of a user interface makes navigation quite difficult and necessitates training for effective use' g2.com ↗
System performance is reported as occasionally sluggish, with users describing glitches and system crashes that delay work and risk data loss g2.com ↗
Customer support is repeatedly flagged as unresponsive, reviewers report support 'is very slow if things go wrong' and 'less appropriate if you need things done now' capterra.com ↗
Customization costs are punitive, reviewers cite ~$1,000 to import a single 'Ordered By' field from a website into a DDI field, and $300 to create a different size product label softwareadvice.com ↗
Training resources are described as 'minimal at best,' and reviewers describe the software as 'overpriced for the help you receive' softwareadvice.com ↗
Mobile/remote access functionality is limited, 'the lack of mobile/remote access has been a challenge' and remote-access setup is reportedly costly for small businesses capterra.com ↗
Recent product updates have introduced bugs affecting stability, and new features are reported as hard to get used to with complex integration paths g2.com ↗
Pricing is not publicly disclosed, prospects must request a demo and go through a sales cycle just to obtain a budgetary number advantive.com ↗
Post-Advantive acquisition, customers face uncertainty about long-term roadmap given Advantive also owns Distribution One (ERP-ONE+) in the same wholesale-distribution niche advantive.com ↗
© Supergood Systems, Inc.