aid: act-on
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/act-on.png
name: Act-On
description: >-
  Act-On Software is a cloud-based marketing automation platform used by B2B and
  B2C marketing teams for email marketing, lead generation and nurturing, landing
  pages and forms, website visitor tracking, lead scoring and segmentation, custom
  data, and campaign reporting. Act-On exposes a documented OAuth 2.0 REST API
  (base https://restapi.actonsoftware.com, versioned under /api/1) covering
  contacts and lists, segments, messages and email campaigns, media and creative
  assets, landing pages and forms, subscription management, custom data ingestion,
  and reporting. Added to the API Evangelist network from a Norwest Venture
  Partners portfolio lead and enriched from Act-On's public developer surface.
url: https://raw.githubusercontent.com/api-evangelist/act-on/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- norwest-venture-partners
x-tier: active
x-tier-reason: public-oauth2-rest-api
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-17'
tags:
- Company
- Marketing
- Marketing Automation
- Email Marketing
- Email
- Marketing Technology
- Lead Generation
- Campaign Management
- API
apis:
- name: Act-On REST API
  description: >-
    OAuth 2.0 REST API for Act-On marketing automation — contacts and lists,
    segments, email messages and campaigns, media and creative assets, landing
    pages and forms, subscriptions, custom data, and reporting.
  humanURL: https://developer.act-on.com/reference/api-overview
  baseURL: https://restapi.actonsoftware.com
  properties:
  - type: Documentation
    url: https://developer.act-on.com
  - type: APIReference
    url: https://developer.act-on.com/reference/api-overview
  - type: Authentication
    url: authentication/act-on-authentication.yml
  - type: LLMsTxt
    url: llms/act-on-llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://act-on.com
- type: DeveloperPortal
  url: https://developer.act-on.com
- type: Documentation
  url: https://developer.act-on.com
- type: APIReference
  url: https://developer.act-on.com/reference/api-overview
- type: GettingStarted
  url: https://developer.act-on.com/reference/request-a-developer-account
- type: StatusPage
  url: https://status.act-on.com
- type: LLMsTxt
  url: llms/act-on-llms.txt
- type: Authentication
  url: authentication/act-on-authentication.yml
- type: Conventions
  url: conventions/act-on-conventions.yml
- type: ErrorCatalog
  url: errors/act-on-problem-types.yml
- type: Conformance
  url: conformance/act-on-conformance.yml
- type: Lifecycle
  url: lifecycle/act-on-lifecycle.yml
- type: MCPServer
  url: mcp/act-on-mcp.yml
- type: WellKnown
  url: well-known/act-on-well-known.yml
- type: DomainSecurity
  url: security/act-on-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence