Startup Buffer

Startup Buffer is a community-driven directory and platform for discovering new startups, products, and innovations across various industries. The platform offers startup submission, browsing, and discovery features through web and mobile applications.

Startup Buffer is profiled on the APIs.io network. Tagged areas include Directory, Product Discovery, Startups, Listing, and Community.

The Startup Buffer catalog on APIs.io includes 1 JSON-LD context.

Startup Buffer’s developer surface includes engineering blog and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.8/100 emerging ▬ flat Agent 0/100 human only saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0
0 APIs
DirectoryProduct DiscoveryStartupsListingCommunity

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0
Composite quality — 11.8/100 · emerging
Contract Quality 2.7 / 25
Developer Ergonomics 0.5 / 20
Access Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Contract Governance 0.0 / 12
Discoverability 4.4 / 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/startup-buffer: 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 →

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Startup Buffer Context

23 classes · 1 properties

JSON-LD

Security Posture 1

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

Startup Buffer Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService

Company 4

The organization behind the API

Website
Website
 Blog
Blog
 Instagram
Instagram
 Facebook
Facebook

Other 3

Properties that don't map to a standard resource type

Submit
Submit
 X
X
 Android
Android

Source (apis.yml)

apis.yml Raw ↑ 
aid: startup-buffer
url: https://raw.githubusercontent.com/api-evangelist/startup-buffer/refs/heads/main/apis.yml
name: Startup Buffer
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
tags:
- Directory
- Product Discovery
- Startups
- Listing
- Community
type: Index
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/startup-buffer.png
created: '2024-01-01'
modified: '2026-05-02'
description: Startup Buffer is a community-driven directory and platform for discovering new startups, products, and innovations
  across various industries. The platform offers startup submission, browsing, and discovery features through web and mobile
  applications.
apis: []
common:
- type: DomainSecurity
  url: security/startup-buffer-domain-security.yml
- url: https://startupbuffer.com/
  name: Startup Buffer Website
  type: Website
- url: https://startupbuffer.com/site/submit
  name: Submit Your Startup
  type: Submit
- url: https://startupbuffer.com/resources/
  name: Blog
  type: Blog
- url: https://startupbuffer.com/site/privacy
  name: Privacy Policy
  type: PrivacyPolicy
- url: https://startupbuffer.com/site/tos
  name: Terms of Service
  type: TermsOfService
- url: https://x.com/startupbuffer
  name: Startup Buffer on X
  type: X
- url: https://www.instagram.com/startupbuffer/
  name: Startup Buffer on Instagram
  type: Instagram
- url: https://www.facebook.com/startupbuffer/
  name: Startup Buffer on Facebook
  type: Facebook
- url: https://play.google.com/store/apps/details?id=com.startupbuffer.mobile
  name: Startup Buffer Android App
  type: Android

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