Follow Up Boss website screenshot

Follow Up Boss

Follow Up Boss is a real estate CRM and lead management platform helping agents and teams capture leads from any source, automate follow-up via texts, emails, and calls, manage pipelines and deals, and track team performance. The Follow Up Boss REST API exposes resources such as people, notes, tasks, deals, calls, text messages, events, and webhooks, secured with HTTP Basic authentication using an API key obtained from the application's admin settings.

Follow Up Boss publishes 8 APIs on the APIs.io network, including Calls API, Deals API, Events API, and 5 more. Tagged areas include Real Estate, CRM, Lead Management, Sales Automation, and Follow Up.

Follow Up Boss’ developer surface includes authentication, documentation, pricing, signup flow, support, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
30.0/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessSelf serve
9 APIs
Real EstateCRMLead ManagementSales AutomationFollow UpPipeline Management

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 30.0/100 · thin
Contract Quality 12.5 / 25
Developer Ergonomics 5.2 / 20
Commercial Clarity 2.1 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 28/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/follow-up-boss: 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 9

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

Follow Up Boss API

REST API for managing real estate leads, contacts, deals, notes, tasks, calls, text messages, events, and webhooks in Follow Up Boss. Authenticated with HTTP Basic using an API ...

Follow Up Boss Calls API

The Calls API from Follow Up Boss — 2 operation(s) for calls.

Follow Up Boss Deals API

The Deals API from Follow Up Boss — 2 operation(s) for deals.

Follow Up Boss Events API

The Events API from Follow Up Boss — 2 operation(s) for events.

Follow Up Boss Notes API

The Notes API from Follow Up Boss — 2 operation(s) for notes.

Follow Up Boss People API

The People API from Follow Up Boss — 5 operation(s) for people.

Follow Up Boss Tasks API

The Tasks API from Follow Up Boss — 2 operation(s) for tasks.

Follow Up Boss TextMessages API

The TextMessages API from Follow Up Boss — 2 operation(s) for textmessages.

Follow Up Boss Webhooks API

The Webhooks API from Follow Up Boss — 2 operation(s) for webhooks.

Scroll for all 9

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Follow Up Boss API

OPEN COLLECTION

Security Posture 3

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

Follow Up Boss Authentication

http · 1 scheme

SECURITY

Follow Up Boss Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Follow Up Boss Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Follow Up Boss Agentic Access

37 operations · 20 acting

37 operations · 20 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 2

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: follow-up-boss
name: Follow Up Boss
description: Follow Up Boss is a real estate CRM and lead management platform helping agents and teams capture leads from
  any source, automate follow-up via texts, emails, and calls, manage pipelines and deals, and track team performance. The
  Follow Up Boss REST API exposes resources such as people, notes, tasks, deals, calls, text messages, events, and webhooks,
  secured with HTTP Basic authentication using an API key obtained from the application's admin settings.
type: Index
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/follow-up-boss.png
tags:
- Real Estate
- CRM
- Lead Management
- Sales Automation
- Follow Up
- Pipeline Management
url: https://raw.githubusercontent.com/api-evangelist/follow-up-boss/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: follow-up-boss:rest-api
  name: Follow Up Boss API
  description: REST API for managing real estate leads, contacts, deals, notes, tasks, calls, text messages, events, and webhooks
    in Follow Up Boss. Authenticated with HTTP Basic using an API key issued from the Follow Up Boss admin settings. HTTPS
    is required for all requests.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Real Estate
  - CRM
  - Leads
  - Deals
  - Webhooks
  properties:
  - type: Documentation
    url: https://docs.followupboss.com/reference
  - type: GettingStarted
    url: https://docs.followupboss.com/reference/getting-started
  - type: Authentication
    url: https://docs.followupboss.com/reference/authentication
  - type: Webhooks
    url: https://docs.followupboss.com/reference/webhooks
- aid: follow-up-boss:follow-up-boss-calls-api
  name: Follow Up Boss Calls API
  description: The Calls API from Follow Up Boss — 2 operation(s) for calls.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Calls
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-calls-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-deals-api
  name: Follow Up Boss Deals API
  description: The Deals API from Follow Up Boss — 2 operation(s) for deals.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Deals
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-deals-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-events-api
  name: Follow Up Boss Events API
  description: The Events API from Follow Up Boss — 2 operation(s) for events.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-events-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-notes-api
  name: Follow Up Boss Notes API
  description: The Notes API from Follow Up Boss — 2 operation(s) for notes.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Notes
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-notes-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-people-api
  name: Follow Up Boss People API
  description: The People API from Follow Up Boss — 5 operation(s) for people.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - People
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-people-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-tasks-api
  name: Follow Up Boss Tasks API
  description: The Tasks API from Follow Up Boss — 2 operation(s) for tasks.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-tasks-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-textmessages-api
  name: Follow Up Boss TextMessages API
  description: The TextMessages API from Follow Up Boss — 2 operation(s) for textmessages.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - TextMessages
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-textmessages-api-openapi.yml
- aid: follow-up-boss:follow-up-boss-webhooks-api
  name: Follow Up Boss Webhooks API
  description: The Webhooks API from Follow Up Boss — 2 operation(s) for webhooks.
  humanURL: https://docs.followupboss.com
  baseURL: https://api.followupboss.com/v1
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/follow-up-boss-webhooks-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/follow-up-boss-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/follow-up-boss-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/follow-up-boss-domain-security.yml
- type: Authentication
  url: authentication/follow-up-boss-authentication.yml
- type: GitHubOrganization
  url: https://github.com/FollowUpBoss
- type: LinkedIn
  url: https://www.linkedin.com/company/follow-up-boss
- type: Website
  url: https://www.followupboss.com
- type: Documentation
  url: https://docs.followupboss.com
- type: Pricing
  url: https://www.followupboss.com/pricing
- type: Signup
  url: https://www.followupboss.com/free-trial
- type: Support
  url: https://help.followupboss.com
- type: StatusPage
  url: https://status.followupboss.com
- type: LlmsText
  url: https://docs.followupboss.com/llms.txt
- url: https://www.followupboss.com/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com