Plato

Plato was a mentorship and leadership community for engineering leaders (platohq.com), operating from 2018 until its sunset on December 19, 2025. It ran a global network of 500+ engineering leaders and 1,000+ mentors, the annual Elevate conference, and dozens of meetups, webinars, and dinners. Its parent company Coda was acquired by Grammarly (rebranded Superhuman), which wound down Plato's programs to focus on an AI-native productivity suite. The company is now deactivated: platohq.com redirects to a Substack sunset announcement and no developer API, SDK, documentation, or integrations are or were published. Surfaced as a partech portfolio lead; enrichment found no API surface.

Plato is profiled on the APIs.io network. Tagged areas include Company, Applicative Saas, Mentorship, Engineering Leadership, and Community.

🌐 Visit website 📡 Source on GitHub

5.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

Company Applicative Saas MentorshipEngineering LeadershipCommunityDeactivatedDeactivated Company

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

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/plato: 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 →

Security Posture 1

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

Plato Domain Security

TLSv1.3 · HSTS

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: plato
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:
  - url: https://www.platohq.com/
    status: 308
    note: declared website redirects to https://platocommunity.substack.com/about — a different registrable domain (platohq.com
      -> substack.com), possible rename or acquisition (probed 2026-09-03, roadmap#169)
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/plato.png
name: Plato
description: 'Plato was a mentorship and leadership community for engineering leaders (platohq.com), operating from 2018 until
  its sunset on December 19, 2025. It ran a global network of 500+ engineering leaders and 1,000+ mentors, the annual Elevate
  conference, and dozens of meetups, webinars, and dinners. Its parent company Coda was acquired by Grammarly (rebranded Superhuman),
  which wound down Plato''s programs to focus on an AI-native productivity suite. The company is now deactivated: platohq.com
  redirects to a Substack sunset announcement and no developer API, SDK, documentation, or integrations are or were published.
  Surfaced as a partech portfolio lead; enrichment found no API surface.'
url: https://raw.githubusercontent.com/api-evangelist/plato/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- partech
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Applicative Saas
- Mentorship
- Engineering Leadership
- Community
- Deactivated
- Deactivated Company
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/plato-domain-security.yml
- type: Website
  url: https://www.platohq.com/
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1

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