Mainstay website screenshot

Mainstay

Mainstay (formerly AdmitHub) is a student engagement platform for higher education that delivers human-centered, AI-enhanced conversational coaching to students via SMS text messaging, live chat, web chat, and social messaging. Grounded in behavioral science research, its two-way messaging assistant nudges students through enrollment, registration, financial aid, and academic milestones while giving institutional staff insights and tools to improve engagement, persistence, and outcomes. Mainstay is a Techstars portfolio company. It publishes an API-token authenticated REST API (v1.0, base URL https://api.admithub.com) documented at docs.api.mainstay.com, used to sync student and employee records and engagement data between Mainstay and external systems; tokens are generated from the Mainstay dashboard and presented as Bearer credentials.

Mainstay publishes 1 API on the APIs.io network. Tagged areas include Company, Education, EdTech, Higher Education, and Conversational AI.

Mainstay’s developer surface includes documentation, API reference, support, engineering blog, authentication, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub
28.2/100 emerging ▬ flat Agent 10/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs
CompanyEducationEdTechHigher EducationConversational AIStudent EngagementChatbotMessaging

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 28.2/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 8.3 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 10/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 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/mainstay: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Mainstay API

AdmitHub/Mainstay REST API v1.0 for syncing student and employee records and engagement data between Mainstay and external systems, with Bearer API-token authentication.

Security Posture 3

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

Mainstay Authentication

http · 1 scheme

SECURITY

Mainstay Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Mainstay Trust Center

SOC 2, ISO 27001, ISO 27017, ISO 27018, GDPR

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

Compliance
Compliance
 Authentication
Authentication
 DomainSecurity
DomainSecurity
 TrustCenter
TrustCenter

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: mainstay
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mainstay.png
name: Mainstay
description: Mainstay (formerly AdmitHub) is a student engagement platform for higher education that delivers human-centered,
  AI-enhanced conversational coaching to students via SMS text messaging, live chat, web chat, and social messaging. Grounded
  in behavioral science research, its two-way messaging assistant nudges students through enrollment, registration, financial
  aid, and academic milestones while giving institutional staff insights and tools to improve engagement, persistence, and
  outcomes. Mainstay is a Techstars portfolio company. It publishes an API-token authenticated REST API (v1.0, base URL https://api.admithub.com)
  documented at docs.api.mainstay.com, used to sync student and employee records and engagement data between Mainstay and
  external systems; tokens are generated from the Mainstay dashboard and presented as Bearer credentials.
url: https://raw.githubusercontent.com/api-evangelist/mainstay/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- techstars
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Education
- EdTech
- Higher Education
- Conversational AI
- Student Engagement
- Chatbot
- Messaging
apis:
- name: Mainstay API
  description: AdmitHub/Mainstay REST API v1.0 for syncing student and employee records and engagement data between Mainstay
    and external systems, with Bearer API-token authentication.
  humanURL: https://docs.api.mainstay.com/
  baseURL: https://api.admithub.com
  tags:
  - Messaging
  - Student Engagement
  - Conversational AI
  properties:
  - type: Documentation
    url: https://docs.api.mainstay.com/
  - type: APIReference
    url: https://docs.api.mainstay.com/
  - type: Authentication
    url: authentication/mainstay-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.mainstay.com/
- type: DeveloperPortal
  url: https://docs.api.mainstay.com/
- type: Documentation
  url: https://docs.api.mainstay.com/
- type: APIReference
  url: https://docs.api.mainstay.com/
- type: Support
  url: https://support.mainstay.com/
- type: Blog
  url: https://mainstay.com/blog/
- type: GitHubOrganization
  url: https://github.com/AdmitHub
- type: Login
  url: https://app.mainstay.com/login/
- type: TermsOfService
  url: https://mainstay.com/termsofuse/
- type: PrivacyPolicy
  url: https://mainstay.com/privacy/
- type: Compliance
  url: https://mainstay.com/security/
- type: Authentication
  url: authentication/mainstay-authentication.yml
- type: Conventions
  url: conventions/mainstay-conventions.yml
- type: DomainSecurity
  url: security/mainstay-domain-security.yml
- type: TrustCenter
  url: security/mainstay-trust-center.yml
- type: LLMsTxt
  url: llms/mainstay-llms.txt
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 6
  pass: local-v1