TeachStreet

TeachStreet was an online learning marketplace that, in its own words, "helps people find great classes, courses, teachers, and instructors who help them learn new things," while "teachers use TeachStreet to find more students" (teachstreet.com homepage, archived June 2011). Surfaced in the API Evangelist network as a 500 Global portfolio company, TeachStreet was acquired by Amazon on February 2, 2012 and subsequently wound down. The teachstreet.com domain is now a dormant, Amazon-controlled brand-protection asset — MarkMonitor nameservers, a locked-down mail posture (SPF "v=spf1 -all", DMARC "p=reject" reporting to dmarc.amazon.com), and no A/AAAA/MX records — so there is no live website, developer portal, or API surface to enrich. This record is retained as a historical, defunct-company profile.

TeachStreet is profiled on the APIs.io network. Tagged areas include Company, Education, Online Learning, Marketplace, and Classes.

🌐 Visit website 📡 Source on GitHub
2.5/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0
0 APIs
CompanyEducationOnline LearningMarketplaceClassesDefunct

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0
Composite quality — 2.5/100 · minimal
Contract Quality 0.0 / 21
Developer Ergonomics 0.0 / 17
Access Clarity 0.0 / 17
Operational Transparency 0.0 / 11
Contract Governance 0.0 / 10
Discoverability 4.3 / 9
Regulatory Posture 1.7 / 15
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
Regulatory Posture applies to this provider. Its tags matched the Education & Research 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.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
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/teachstreet: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Teachstreet Domain Security

DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: teachstreet
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/teachstreet.png
name: TeachStreet
description: TeachStreet was an online learning marketplace that, in its own words, "helps people find great classes, courses,
  teachers, and instructors who help them learn new things," while "teachers use TeachStreet to find more students" (teachstreet.com
  homepage, archived June 2011). Surfaced in the API Evangelist network as a 500 Global portfolio company, TeachStreet was
  acquired by Amazon on February 2, 2012 and subsequently wound down. The teachstreet.com domain is now a dormant, Amazon-controlled
  brand-protection asset — MarkMonitor nameservers, a locked-down mail posture (SPF "v=spf1 -all", DMARC "p=reject" reporting
  to dmarc.amazon.com), and no A/AAAA/MX records — so there is no live website, developer portal, or API surface to enrich.
  This record is retained as a historical, defunct-company profile.
url: https://raw.githubusercontent.com/api-evangelist/teachstreet/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
x-status: defunct
x-status-detail: Acquired by Amazon 2012-02-02 and shut down; teachstreet.com dormant under Amazon/MarkMonitor control.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Education
- Online Learning
- Marketplace
- Classes
- Defunct
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/teachstreet-domain-security.yml
- type: Website
  url: https://teachstreet.com
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 1
  pass: local-v1