Chapter website screenshot

Chapter

Chapter is a technology-driven Medicare advisory service (parent company Memoir, Inc.; insurance services via Chapter Advisory, LLC) that helps older Americans navigate retirement healthcare. Licensed advisors and self-service tools compare and enroll consumers across all major Medicare carriers nationwide, representing 50 organizations offering more than 15,000 products, and serving 500,000+ enrollees with a 4.9/5 rating across 6,700+ reviews. Chapter is HIPAA compliant, BBB accredited, and also ships a consumer OTC benefits app. Founded 2020 in New York City; backed by Addition. This is a consumer healthtech company with no public developer/API surface at the time of enrichment.

Chapter is profiled on the APIs.io network. Tagged areas include Company, Healthtech, Medicare, Insurance, and Health Insurance.

Chapter’s developer surface includes engineering blog and 4 more developer resources.

14.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyHealthtechMedicareInsuranceHealth InsuranceSenior CareRetirementConsumer Health

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 14.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 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/chapter: 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.

Chapter Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: chapter
name: Chapter
description: Chapter is a technology-driven Medicare advisory service (parent company Memoir, Inc.; insurance services via
  Chapter Advisory, LLC) that helps older Americans navigate retirement healthcare. Licensed advisors and self-service tools
  compare and enroll consumers across all major Medicare carriers nationwide, representing 50 organizations offering more
  than 15,000 products, and serving 500,000+ enrollees with a 4.9/5 rating across 6,700+ reviews. Chapter is HIPAA compliant,
  BBB accredited, and also ships a consumer OTC benefits app. Founded 2020 in New York City; backed by Addition. This is a
  consumer healthtech company with no public developer/API surface at the time of enrichment.
url: https://raw.githubusercontent.com/api-evangelist/chapter/refs/heads/main/apis.yml
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://askchapter.org/site-preview.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- addition
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Healthtech
- Medicare
- Insurance
- Health Insurance
- Senior Care
- Retirement
- Consumer Health
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/chapter-domain-security.yml
- type: Website
  url: https://askchapter.org
- type: Blog
  name: Chapter Magazine
  url: https://askchapter.org/magazine
- type: TermsOfService
  url: https://askchapter.org/terms-of-service
- type: PrivacyPolicy
  url: https://askchapter.org/privacy-policy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence