FrontApp

Front is a customer service and communication platform that combines the efficiency of a help desk with the familiarity of email, giving teams a shared inbox across email, SMS, chat, and social channels. The Front Core API is a REST API (base https://api2.frontapp.com) exposing 340+ endpoints across conversations, messages, drafts, comments, contacts, accounts, inboxes, channels, tags, teammates, teams, knowledge bases, shifts, analytics, links, message templates, and signatures. It supports API-token and OAuth 2.0 authentication with 50+ granular scopes, cursor pagination, per-company rate limiting with standard headers, webhooks and application triggers for events, and an official hosted MCP server for AI agents. Front is a portfolio company of Battery Ventures.

FrontApp publishes 1 API on the APIs.io network. Tagged areas include Company, Communication, Customer Service, Shared Inbox, and Email.

The FrontApp catalog on APIs.io includes 1 event-driven AsyncAPI specification.

FrontApp’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, authentication, and 27 more developer resources.

42.9/100 thin Agent 40/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyCommunicationCustomer ServiceShared InboxEmailMessagingCollaborationHelp Desk

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 42.9/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 14.3 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 7.2 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 40/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 3 / 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/frontapp: 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

Front Core API

The Front Core API is a REST API over Front's shared-inbox platform. It exposes conversations, messages, drafts, comments, contacts, accounts, inboxes, channels, tags, teammates...

MCP Servers

MCP Server

Front's official hosted MCP server (open beta) exposes conversations, messages, comments, tags, contacts, accounts, and organization tools to MCP clients over Streamable HTTP wi...

MCP SERVER

Rate Limits

Frontapp Rate Limits

0 limits

RATE LIMITS

Event Specifications

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Build 4

SDKs, sample code, and the tooling you integrate with

Access & Security 8

Authentication, authorization, and security posture

Scroll for all 8

Operate 5

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: frontapp
name: FrontApp
description: Front is a customer service and communication platform that combines the efficiency of a help desk with the familiarity
  of email, giving teams a shared inbox across email, SMS, chat, and social channels. The Front Core API is a REST API (base
  https://api2.frontapp.com) exposing 340+ endpoints across conversations, messages, drafts, comments, contacts, accounts,
  inboxes, channels, tags, teammates, teams, knowledge bases, shifts, analytics, links, message templates, and signatures.
  It supports API-token and OAuth 2.0 authentication with 50+ granular scopes, cursor pagination, per-company rate limiting
  with standard headers, webhooks and application triggers for events, and an official hosted MCP server for AI agents. Front
  is a portfolio company of Battery Ventures.
image: https://avatars.githubusercontent.com/frontapp
url: https://raw.githubusercontent.com/api-evangelist/frontapp/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- battery-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Communication
- Customer Service
- Shared Inbox
- Email
- Messaging
- Collaboration
- Help Desk
apis:
- aid: frontapp:frontapp-core-api
  name: Front Core API
  humanURL: https://dev.frontapp.com/reference/introduction
  baseURL: https://api2.frontapp.com
  tags:
  - Conversations
  - Messages
  - Contacts
  - Inboxes
  - Communication
  description: The Front Core API is a REST API over Front's shared-inbox platform. It exposes conversations, messages, drafts,
    comments, contacts, accounts, inboxes, channels, tags, teammates, teams, knowledge bases, shifts, analytics, links, message
    templates, and signatures, with API-token and OAuth 2.0 authentication, cursor pagination, and webhooks for events.
  properties:
  - url: https://dev.frontapp.com
    type: DeveloperPortal
  - url: https://dev.frontapp.com/docs/welcome
    type: Documentation
  - url: https://dev.frontapp.com/reference
    type: APIReference
  - url: https://dev.frontapp.com/docs/core-api-getting-started
    type: GettingStarted
  - url: https://dev.frontapp.com/docs/authentication
    type: Authentication
  - url: https://dev.frontapp.com/docs/webhooks-1
    type: Webhooks
common:
- type: DeveloperPortal
  url: https://dev.frontapp.com
- type: Documentation
  url: https://dev.frontapp.com/docs/welcome
- type: APIReference
  url: https://dev.frontapp.com/reference
- type: GettingStarted
  url: https://dev.frontapp.com/docs/core-api-getting-started
- type: HelpCenter
  url: https://help.front.com
- type: Support
  url: https://community.front.com
- type: Blog
  url: https://front.com/blog
- type: GitHubOrganization
  url: https://github.com/frontapp
- type: Pricing
  url: https://front.com/pricing
- type: Login
  url: https://app.frontapp.com
- type: TermsOfService
  url: https://front.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://front.com/legal/privacy-policy
- type: Postman
  url: https://www.postman.com/frontapp
- type: StatusPage
  url: https://status.frontapp.com
- type: LLMsTxt
  url: llms/frontapp-llms.txt
- type: WellKnown
  url: well-known/frontapp-well-known.yml
- type: SecurityTxt
  url: well-known/frontapp-security.txt
- type: MCPServer
  url: https://mcp.frontapp.com/mcp
  name: MCP Server
  description: Front's official hosted MCP server (open beta) exposes conversations, messages, comments, tags, contacts, accounts,
    and organization tools to MCP clients over Streamable HTTP with OAuth 2.1 + PKCE; agents inherit the authorizing teammate's
    permissions.
- type: Authentication
  url: authentication/frontapp-authentication.yml
- type: OAuthScopes
  url: scopes/frontapp-scopes.yml
- type: Conventions
  url: conventions/frontapp-conventions.yml
- type: Lifecycle
  url: lifecycle/frontapp-lifecycle.yml
- type: ChangeLog
  url: changelog/frontapp-changelog.yml
- type: RateLimits
  url: rate-limits/frontapp-rate-limits.yml
- type: Webhooks
  url: asyncapi/frontapp-webhooks.yml
- type: Packages
  url: packages/frontapp-packages.yml
- type: SDKs
  url: packages/frontapp-packages.yml
- type: Components
  url: components/frontapp-components.yml
- type: Conformance
  url: conformance/frontapp-conformance.yml
- type: DomainSecurity
  url: security/frontapp-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/frontapp-vulnerability-disclosure.yml
- type: Security
  url: https://front.com/security
- type: TrustCenter
  url: security/frontapp-trust-center.yml
- type: Compliance
  url: https://trust.front.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence