GrowthZone
GrowthZone is association management software (AMS) for chambers of commerce, trade and professional associations, and member-based organizations - covering membership management, member and organization contacts, event registration, invoicing and scheduled billing, member directories, certifications, and communications. The GrowthZone REST API (base https://{subdomain}.growthzoneapp.com/api) exposes this data programmatically for CMS/directory embeds, SSO, and mobile integrations. It is a partner/customer-gated API - access requires an account with API Access enabled and an API Key issued by GrowthZone WebSupport - and is documented publicly at integration.growthzone.com. GrowthZone also operates ChamberMaster and MemberZone, which expose a separate legacy REST API. OAuth 2.0 / OpenID Connect is supported for SSO.
APIs
GrowthZone Contacts API
Retrieve and page contacts - both individuals (persons) and organizations - with related addresses, emails, websites, categories, notes/custom fields, group memberships, and a d...
GrowthZone Memberships API
List membership types and page all memberships (optionally filtered by type and membership status - Prospective, Active, Courtesy, NonMember, Inactive), including membership cha...
GrowthZone Groups & Directory API
Resolve groups by category and list group members, plus category summaries used to build searchable, category-filtered member directories embedded in a public website.
GrowthZone Scheduled Billing API
Preview, export, set up, and run scheduled recurring membership billing by membership type, and retrieve and download the history of past billing runs. Drives automated dues inv...
GrowthZone Certifications API
Mark certification components complete for a contact's certification track, supporting continuing-education and credentialing programs run inside GrowthZone.
GrowthZone Events API
List and filter events by date range and status for embedding association event calendars into a website or mobile app. Modeled from GrowthZone's ChamberMaster/MemberZone event ...
GrowthZone OAuth / OpenID Connect (SSO) API
OpenID Connect provider for single sign-on - authorize, token, userinfo, and JWKS endpoints supporting authorization-code, implicit, and hybrid flows with the openid, profile, a...