Saturn

Saturn is a mobile calendar and scheduling app built for high school students, designed around the complexities of the school day, built around your friends, and kept truly real-time. Students import their class schedule, see what their friends are doing, coordinate activities, and share their calendar socially. The company positions itself as "the next generation calendar, enabling time together for all." Saturn is a consumer iOS and Android application distributed through the App Store and Google Play; it exposes no public developer API, SDK, or documentation surface. Backed by General Catalyst and Insight Partners, with notable individual investors including Jeff Bezos, Marc Benioff, and Dara Khosrowshahi.

Saturn is profiled on the APIs.io network. Tagged areas include Company, Calendar, Scheduling, Consumer, and Mobile.

Saturn’s developer surface includes engineering blog, support, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub

12.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyCalendarSchedulingConsumerMobileSocialEducationProductivity

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 12.3/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

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

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/saturn: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: saturn
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/saturn.png
name: Saturn
description: Saturn is a mobile calendar and scheduling app built for high school students, designed around the complexities
  of the school day, built around your friends, and kept truly real-time. Students import their class schedule, see what their
  friends are doing, coordinate activities, and share their calendar socially. The company positions itself as "the next generation
  calendar, enabling time together for all." Saturn is a consumer iOS and Android application distributed through the App
  Store and Google Play; it exposes no public developer API, SDK, or documentation surface. Backed by General Catalyst and
  Insight Partners, with notable individual investors including Jeff Bezos, Marc Benioff, and Dara Khosrowshahi.
url: https://raw.githubusercontent.com/api-evangelist/saturn/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- general-catalyst
- insight-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Calendar
- Scheduling
- Consumer
- Mobile
- Social
- Education
- Productivity
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.joinsaturn.com/
- type: Blog
  url: https://www.joinsaturn.com/blog
- type: Support
  url: https://www.joinsaturn.com/contact
- type: PrivacyPolicy
  url: https://www.joinsaturn.com/privacy-policy
- type: TermsOfService
  url: https://www.joinsaturn.com/terms-of-use
- type: DomainSecurity
  url: security/saturn-domain-security.yml
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 1
  pass: local-v1