The API Report CardAPI Index
Quorum DMS

Quorum DMS API

Franchise dealer DMS (Canada and US), formerly XSellerator · quorumdms.com

Quorum publishes a public OpenAPI 3.0 reference for its DMS at docs.xsellerator.com with OAuth 2.0 client credentials across accounting, CRM, fixed ops and vehicles. There is no signup or production host; credentials come only by emailing Quorum's developer contact.

Last verified: September 2026AutomotiveNO MCP
API GRADE
D+
VERIFIED SEP 2026

SCORECARD

ExistenceGOODdocs.xsellerator.com serves Swagger UI and downloadable OpenAPI 3.0 specs for API versions 1 through 4.
AccessPOORNo signup or partner terms; every spec points to developer@quorumdms.com and Quorum maintains dealer access authorizations.
CoveragePOORHundreds of GET, POST and PUT endpoints across accounting, CRM, fixed ops, parts and vehicles, but no webhooks.
AuthGOODOAuth 2.0 client credentials via Amazon Cognito with a per dealer destination id; v1 and v2 also accept apiKey query params.
Docs & DXPOORPublic reference and raw specs, but servers listed are staging only, no client libraries and no getting started guide.
StabilityMIXEDFour API versions published side by side with no migration notes or retirement schedule on the docs site.
MCPNONENo official or community MCP server found for this platform.
What you can do
Read OpenAPI specs for v1 to v4JSON and YAML downloads
Authenticate with OAuth 2.0 client credentialsAmazon Cognito token URL
Read and write ROs, parts, deals and GLper dealer destination id
Import payroll and purchase ordersPOST endpoints documented
What you can't
Obtain client credentials self serveemail Quorum only
Call a published production hoststaging URLs only
Receive webhooksnone documented
See pricing or rate limitsnot published
Supergood turns hard-to-integrate enterprise software into clean REST APIs and MCP tools: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

Quorum DMS scores D+ on Supergood's API Report Card. Quorum publishes a public OpenAPI 3.0 reference for its DMS at docs.xsellerator.com with OAuth 2.0 client credentials across accounting, CRM, fixed ops and vehicles. There is no signup or production host; credentials come only by emailing Quorum's developer contact.

Tried to integrate with Quorum DMS?
SOURCES
A parts manager who switched from ADP says reports are clumsy and inaccurate, every update introduces new bugs, tier one support is useless and tasks take three times as long. forums.dealersedge.com
Analysis of dealer conversations says Quorum covers only 13 of 25 common operation categories, leaving nearly half of workflows dependent on third party add ons. plugroute.com
A prospective investor notes many industry people do not know Quorum and prefer competitors, and that the company struggles to cross sell beyond one product per dealer. jakubkriz.substack.com