Vantaca website screenshot

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 API contracts indexed 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.

The Vantaca catalog on APIs.io includes 1 Spectral governance ruleset.

Vantaca’s developer surface includes engineering blog, documentation, and 11 more developer resources.

22.4/100 emerging ▬ flat Agent 19/100 agent aware Front door AI 4/6 moderate Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →
AccessEnterpriseApproval
1 published contract
HOACommunity Association ManagementCAMProperty ManagementReal EstateAccountingWorkflow AutomationVendor 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 Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0
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/.
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Agent readiness — checks not met, largest first (exact, from this profile):
  • MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
  • Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
  • Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
  • Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
  • A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
  • Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →
10 more unmet checks in the Agent Readiness table above.
Kin Score — facets with the most composite points still available (weight × headroom):
Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.
Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →
Ask about:
Vantaca · a person reads this and replies by email.
or email info@apis.io
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 the provider profile at artifacts.apis.io/vantaca/apis.yml: open an issue on github.com/api-evangelist/vantaca to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

measured — observed by APIs.io (published)

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 3

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

Vantaca API pricing

Not yet checked against Vantaca's own pricing page. Compiled by API Evangelist on 2026-07-04 from www.vantaca.com/; confirm before you rely on a figure.

PlanPrice
Vantaca Platform (Management Company) enterprise —
Vendor / Integration Access partner —

Plan details, limits and sources →

Rate limits

Compiled by API Evangelist, not yet checked against Vantaca's documentation. Rate-limit details →

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

Compliance 1

Attestations the provider states (SOC 2, ISO 27001 and others), quoted from its own trust page. APIs.io verifies none of them.

Vantaca

1 quoted statement, read from Vantaca's own page on 2026-11-10.

COMPLIANCE

FinOps 1

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

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Vantaca API Rules

50 rules · 43 error-severity 6 warn-severity 1 info-severity

SPECTRAL

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 (API Evangelist recommendations) 1

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

Vantaca Agentic Access

75 operations · 31 acting

75 operations · 31 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 4

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
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: enterprise
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Enterprise · Requires approval
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-13'
  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: '2026-10-06'
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:
- url: https://www.vantaca.com/blog
  type: Blog
- url: https://www.vantaca.com/blog/rss.xml
  type: BlogRSS
- 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
- type: Attestations
  url: compliance/vantaca-compliance.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Vantaca API — frequently asked questions

Does Vantaca have an API?

Yes. APIs.io lists 3 APIs from Vantaca, including Vantaca /AP/ API, Vantaca /read/ API and Vantaca /write/ API.

Is there an OpenAPI specification for the Vantaca API?

Yes. APIs.io indexes 3 OpenAPI specifications for Vantaca, each linked for download from this page.

How much does the Vantaca API cost?

APIs.io lists 2 pricing plans for Vantaca, with each plan's price, limits and inclusions under Pricing on this page.

Is the Vantaca API ready for AI agents?

Vantaca has a Kin Score of 22.4 out of 100 (emerging) and an Agent Readiness score of 18.6 (agent-aware), scored by API Evangelist on 2026-11-13.

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