GrowthZone website screenshot

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.

GrowthZone publishes 6 APIs on the APIs.io network, including Certifications API, Contacts API, Events API, and 3 more. Tagged areas include Association Management, AMS, Membership Management, Chambers of Commerce, and ChamberMaster.

GrowthZone’s developer surface includes authentication, documentation, and 7 more developer resources.

38.5/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessPaidSelf serve
6 APIs
Association ManagementAMSMembership ManagementChambers of CommerceChamberMasterMember DirectoryEventsBilling

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 38.5/100 · thin
Contract Quality 15.1 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/growthzone: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

GrowthZone Certifications API

Certification tracks and component completion.

GrowthZone Contacts API

Individuals (persons) and organizations, and their related data.

GrowthZone Events API

Association event calendar and registration (modeled).

GrowthZone Groups & Directory API

Groups, categories, and directory listings.

GrowthZone Memberships API

Membership types and member rosters.

GrowthZone Scheduled Billing API

Recurring membership billing runs by membership type.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

GrowthZone REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Growthzone Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Growthzone Authentication

apiKey · 1 scheme

SECURITY

Growthzone Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Growthzone Agentic Access

25 operations · 8 acting

25 operations · 8 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 2

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: growthzone
url: https://raw.githubusercontent.com/api-evangelist/growthzone/refs/heads/main/apis.yml
name: GrowthZone
kind: company
description: 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.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/growthzone.png
tags:
- Association Management
- AMS
- Membership Management
- Chambers of Commerce
- ChamberMaster
- Member Directory
- Events
- Billing
created: '2026-07-05'
modified: '2026-07-05'
specificationVersion: '0.19'
apis:
- aid: growthzone:growthzone-certifications-api
  name: GrowthZone Certifications API
  description: Certification tracks and component completion.
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Certifications
  properties:
  - type: OpenAPI
    url: openapi/growthzone-certifications-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
- aid: growthzone:growthzone-contacts-api
  name: GrowthZone Contacts API
  description: Individuals (persons) and organizations, and their related data.
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/growthzone-contacts-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
- aid: growthzone:growthzone-events-api
  name: GrowthZone Events API
  description: Association event calendar and registration (modeled).
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/growthzone-events-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
- aid: growthzone:growthzone-groups-directory-api
  name: GrowthZone Groups & Directory API
  description: Groups, categories, and directory listings.
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Groups & Directory
  properties:
  - type: OpenAPI
    url: openapi/growthzone-groups-directory-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
- aid: growthzone:growthzone-memberships-api
  name: GrowthZone Memberships API
  description: Membership types and member rosters.
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Memberships
  properties:
  - type: OpenAPI
    url: openapi/growthzone-memberships-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
- aid: growthzone:growthzone-scheduled-billing-api
  name: GrowthZone Scheduled Billing API
  description: Recurring membership billing runs by membership type.
  humanURL: https://integration.growthzone.com/growthzone-api/
  baseURL: https://{subdomain}.growthzoneapp.com/api
  tags:
  - Scheduled Billing
  properties:
  - type: OpenAPI
    url: openapi/growthzone-scheduled-billing-api-openapi.yml
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-api/
  - type: APIReference
    url: https://documentation.growthzoneapp.com/CuratedApi.html
  - type: PostmanCollection
    url: collections/growthzone.postman_collection.json
  - type: OpenCollection
    url: collections/growthzone.opencollection.json
  - type: APIReference
    url: https://documentation.growthzoneapp.com/ScheduledBilling.html
  - type: Documentation
    url: https://integration.growthzone.com/chambermaster-or-memberzone-api-documentation/
  - type: Documentation
    url: https://integration.growthzone.com/growthzone-oauth-documentation/
common:
- type: AgenticAccess
  url: agentic-access/growthzone-agentic-access.yml
- type: DomainSecurity
  url: security/growthzone-domain-security.yml
- type: Authentication
  url: authentication/growthzone-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/growthzone
- type: Website
  url: https://www.growthzone.com
- type: Documentation
  url: https://integration.growthzone.com
- type: Plans
  url: plans/growthzone-plans-pricing.yml
- type: RateLimits
  url: rate-limits/growthzone-rate-limits.yml
- type: FinOps
  url: finops/growthzone-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com