Vantaca

Vantaca is a cloud-based community association and HOA management software platform for management companies, boards, and homeowners - covering accounting and accounts payable, homeowner accounts and ledgers, action-item workflow automation (violations, architectural/ARC requests, work orders, collections), communications, and vendor/service-provider management. Vantaca exposes a documented public REST API - "Vantaca's Standard APIs" (v3.8.0), a JSON web service at api.vantaca.net. The OpenAPI is published on SwaggerHub, but access is not self-serve - each Vantaca customer grants a vendor scoped credentials (company, login, pwd) to their own dataset over Basic authentication, with the vendor's IP address(es) whitelisted. Vendors request credentials via vendorsupport@vantaca.com.

Vantaca publishes 3 APIs on the APIs.io network: /AP/ API, /read/ API, and /write/ API. Tagged areas include HOA, Community Association Management, CAM, Property Management, and Real Estate.

Vantaca’s developer surface includes documentation and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

27.8/100 thin ▬ flat Agent 22/100 agent aware Front door AI 4/6 moderate saas Full breakdown ↓
scored 2026-10-04 · rubric v0.23.0

AccessApproval

1 published contract

HOACommunity Association ManagementCAM Property Management Real Estate Accounting Workflow Automation Vendor Management

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Financial Management

BC-200

/AP/

GET /AP/providerList POST /AP/createInvoice POST /AP/payInvoices POST /AP/approveInvoice

Kin Score

Kin Score How this is scored →
scored 2026-10-04 · rubric v0.23.0

Composite quality — 27.8/100 · thin

Contract Quality 7.8 / 19

Developer Ergonomics 1.2 / 15

Access Clarity 5.2 / 15

Operational Transparency 2.8 / 10

Contract Governance 0.0 / 9

Discoverability 5.0 / 8

Regulatory Posture 1.6 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/vantaca: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 3

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

Vantaca /AP/ API

These methods are specific to AP or Invoice related functions and can only be accessed by designated AP credentials. Note: Entering invalid dates may result in them appearing as...

Vantaca /read/ API

These methods read data and can be called in bulk or for single entities for more efficient processing.
All calls will use the same URL path: /read/{***method***}

Vantaca /write/ API

These methods write data. Unless otherwise specified, all object types available are paired with individual /read/ to allow full CRUD (Create, Read, Update, and Destory) operati...

Open Collections 4

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

API Collection

OPEN COLLECTION

Vantaca's Standard APIs /AP/ /AP/ /AP/ API

OPEN COLLECTION

Vantaca's Standard APIs /AP/ /AP/ /read/ API

OPEN COLLECTION

Vantaca's Standard APIs /AP/ /AP/ /write/ API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Vantaca Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Vantaca Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Vantaca Finops

FINOPS

Security Posture 2

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

Vantaca Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Vantaca Trust Center

SOC 2

SECURITY

Agentic Access 1

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

Vantaca Agentic Access

75 operations · 31 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Other 1

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: vantaca
url: https://raw.githubusercontent.com/api-evangelist/vantaca/refs/heads/main/apis.yml
name: Vantaca
kind: company
description: Vantaca is a cloud-based community association and HOA management software platform for management companies,
  boards, and homeowners - covering accounting and accounts payable, homeowner accounts and ledgers, action-item workflow
  automation (violations, architectural/ARC requests, work orders, collections), communications, and vendor/service-provider
  management. Vantaca exposes a documented public REST API - "Vantaca's Standard APIs" (v3.8.0), a JSON web service at api.vantaca.net.
  The OpenAPI is published on SwaggerHub, but access is not self-serve - each Vantaca customer grants a vendor scoped credentials
  (company, login, pwd) to their own dataset over Basic authentication, with the vendor's IP address(es) whitelisted. Vendors
  request credentials via vendorsupport@vantaca.com.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Requires approval
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/vantaca.png
tags:
- HOA
- Community Association Management
- CAM
- Property Management
- Real Estate
- Accounting
- Workflow Automation
- Vendor Management
tags_raw:
- HOA
- Community Association Management
- CAM
- Property Management
- Real Estate
- Accounting
- Workflow Automation
- Vendor Management
- Real-Estate
- Workflow-Automation
created: '2026-07-04'
modified: '2026-07-04'
specificationVersion: '0.23'
apis:
- aid: vantaca:vantaca-ap-api
  name: Vantaca /AP/ API
  description: 'These methods are specific to AP or Invoice related functions and can only be accessed by designated AP credentials.
    Note: Entering invalid dates may result in them appearing as null or blank in Vantaca </br> All AP calls will use the
    same URL path: /AP/{***method***}'
  humanURL: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
  baseURL: https://api.vantaca.net
  tags:
  - AP
  tags_raw:
  - /AP/
  properties:
  - type: OpenAPI
    url: openapi/vantaca-ap-api-openapi.yml
  - type: APIReference
    url: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
- aid: vantaca:vantaca-read-api
  name: Vantaca /read/ API
  description: 'These methods read data and can be called in bulk or for single entities for more efficient processing. </br>  All
    calls will use the same URL path: /read/{***method***}'
  humanURL: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
  baseURL: https://api.vantaca.net
  tags: []
  tags_raw:
  - /read/
  properties:
  - type: OpenAPI
    url: openapi/vantaca-read-api-openapi.yml
  - type: APIReference
    url: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
- aid: vantaca:vantaca-write-api
  name: Vantaca /write/ API
  description: 'These methods write data. Unless otherwise specified, all object types available are paired with individual
    /read/ to allow full CRUD (Create, Read, Update, and Destory) operations against any item. Note: Entering invalid dates
    may result in them appearing as null or blank in Vantaca </br> All calls will use the same URL path: /write/{***method***}'
  humanURL: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
  baseURL: https://api.vantaca.net
  tags: []
  tags_raw:
  - /write/
  properties:
  - type: OpenAPI
    url: openapi/vantaca-write-api-openapi.yml
  - type: APIReference
    url: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
common:
- type: CapabilityMap
  url: capabilities/vantaca-capability-edges.yml
  name: Vantaca Business Capability Map
- type: AgenticAccess
  url: agentic-access/vantaca-agentic-access.yml
- type: TrustCenter
  url: security/vantaca-trust-center.yml
- type: DomainSecurity
  url: security/vantaca-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/vantaca
- type: Website
  url: https://www.vantaca.com
- type: Documentation
  url: https://app.swaggerhub.com/apis/Vantaca/vantacaStandard/3.8.0
- type: Plans
  url: plans/vantaca-plans-pricing.yml
- type: RateLimits
  url: rate-limits/vantaca-rate-limits.yml
- type: FinOps
  url: finops/vantaca-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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