Vantus

Vantus is a stub surfaced from the Mayfield portfolio page whose permalink slug is "vantus" but whose actual company is Vantive Corporation, a historic Mayfield "Milestone" enterprise investment described by Mayfield as call center software leaders. Vantive provided customer relationship management (CRM) software and existed as an independent corporation until its merger with PeopleSoft in 1999; PeopleSoft was later acquired by Oracle and the Vantive brand no longer exists. There is no current company website or API surface to enrich. Unrelated live domains (vantus.com, Vantus Medical Systems; vantus.io, a Spanish AI automation consultancy) are different companies and are intentionally not linked here.

Vantus is profiled on the APIs.io network. Tagged areas include Company, CRM, Call Centers, Enterprise Software, and Customer Service.

📡 Source on GitHub

5.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-14 · rubric v0.22.0

0 APIs

Company CRM Call Centers Enterprise Software Customer Service Acquired

Kin Score

Kin Score How this is scored →
scored 2026-09-14 · rubric v0.22.0

Composite quality — 5.0/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.0 / 13

Contract Governance 0.0 / 12

Discoverability 5.0 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

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/vantus: 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 →

Resources

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: vantus
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/vantus.png
name: Vantus
description: Vantus is a stub surfaced from the Mayfield portfolio page whose permalink slug is "vantus" but whose actual
  company is Vantive Corporation, a historic Mayfield "Milestone" enterprise investment described by Mayfield as call center
  software leaders. Vantive provided customer relationship management (CRM) software and existed as an independent corporation
  until its merger with PeopleSoft in 1999; PeopleSoft was later acquired by Oracle and the Vantive brand no longer exists.
  There is no current company website or API surface to enrich. Unrelated live domains (vantus.com, Vantus Medical Systems;
  vantus.io, a Spanish AI automation consultancy) are different companies and are intentionally not linked here.
url: https://raw.githubusercontent.com/api-evangelist/vantus/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- mayfield
x-tier: stub
x-tier-reason: portfolio-lead
x-identity:
  resolved-name: Vantive Corporation
  resolved-from:
  - https://www.mayfield.com/meet-our-founders/
  - https://en.wikipedia.org/wiki/Vantive_(software)
  status: defunct
  note: Mayfield portfolio permalink /portfolio/vantus/ renders post "Vantive" (Milestone, Enterprise, "Call center software
    leaders."); the harvester captured the permalink slug as the company name. Vantive merged with PeopleSoft in 1999; no
    current web or API presence.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- CRM
- Call Centers
- Enterprise Software
- Customer Service
- Acquired
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-21'
  status: nochange
  artifacts_added: 0
  pass: local-v1
common:
- type: ParentCompany
  url: https://apis.io/providers/oracle/
  name: Oracle
  x-relationship: acquired
  x-evidence: Vantive provided customer relationship management (CRM) software and existed as an independent corporation until
    its merger with PeopleSoft in 1999; PeopleSoft was later acquired by Oracle and the Vantive brand no longer exists.

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