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Constant Contact

Constant Contact is a small-business email and digital marketing platform offering email campaigns, automation, SMS, contact management, surveys, and events. The Constant Contact V3 API is a REST + JSON, OAuth2-protected service published at api.cc.email/v3 covering accounts, contacts, lists, tags, custom fields, segments, email campaigns, A/B tests, schedules and tests, bulk activities (CSV/JSON import, export, list and tag mutations), events with registration and check-in, reporting, and partner provisioning.

1 APIs 16 Features
CampaignsContactsEmail MarketingEventsReportingSMSSurveys

APIs

Constant Contact V3 API

Production REST API for Constant Contact's email marketing, SMS, and events platform. OAuth2 authorization (auth code, PKCE, and JWT-bearer flows) gates all endpoints across acc...

Features

Lite: $12/mo for 500 contacts (jumps to $50/mo at 1K)
Standard: mid-tier with A/B testing, segmentation
Premium: $80/mo at 500 contacts with 24x email ratio
Email overages: $0.002 per additional email
REST API v3 at api.cc.email/v3
API limit: 4 req/sec, 10K req/day per app
OAuth 2.0
Webhooks for contact and campaign events
Contacts, lists, segments, custom fields
Email Templates and Drag-and-Drop editor
Marketing Automation (Standard+)
Surveys, landing pages, social media posts
Reporting on opens, clicks, bounces, conversions
E-commerce integrations (Shopify, WooCommerce, etc.)
Event marketing and registration
List building tools and lead capture

Semantic Vocabularies

Constant Contact Context

0 classes · 8 properties

JSON-LD

API Governance Rules

Constant Contact API Rules

9 rules · 3 errors 5 warnings 1 info

SPECTRAL

Resources

🔗
LinkedIn
LinkedIn
🔗
Website
Website
🌐
Portal
Portal
🚀
GettingStarted
GettingStarted
🔑
Authentication
Authentication
🔗
APIReference
APIReference
🔗
OpenAPI
OpenAPI
🟢
StatusPage
StatusPage
💬
Support
Support
🔗
Community
Community
📰
Blog
Blog
👥
GitHubOrganization
GitHubOrganization
📜
PrivacyPolicy
PrivacyPolicy
📜
TermsOfService
TermsOfService
🔗
JSONLD
JSONLD
🔗
JSONSchema
JSONSchema
🔗
JSONSchema
JSONSchema
🔗
Spectral
Spectral

Sources

Raw ↑
aid: constant-contact
name: Constant Contact
url: https://raw.githubusercontent.com/api-evangelist/constant-contact/refs/heads/main/apis.yml
tags:
  - Campaigns
  - Contacts
  - Email Marketing
  - Events
  - Reporting
  - SMS
  - Surveys
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
created: '2025-03-01'
modified: '2026-05-19'
position: Consumer
specificationVersion: '0.19'
kind: company
description: >-
  Constant Contact is a small-business email and digital marketing platform offering email campaigns, automation, SMS,
  contact management, surveys, and events. The Constant Contact V3 API is a REST + JSON, OAuth2-protected service
  published at api.cc.email/v3 covering accounts, contacts, lists, tags, custom fields, segments, email campaigns, A/B
  tests, schedules and tests, bulk activities (CSV/JSON import, export, list and tag mutations), events with
  registration and check-in, reporting, and partner provisioning.
apis:
  - aid: constant-contact:v3
    name: Constant Contact V3 API
    tags:
      - Campaigns
      - Contacts
      - Email Marketing
      - Events
      - OAuth2
      - REST
      - SMS
    humanURL: https://developer.constantcontact.com/
    baseURL: https://api.cc.email/v3
    properties:
      - url: https://developer.constantcontact.com/
        type: Documentation
      - url: https://developer.constantcontact.com/api_guide/index.html
        type: GettingStarted
      - url: https://developer.constantcontact.com/api_guide/auth_overview.html
        type: Authentication
      - url: https://api.cc.email/v3/swagger.yaml
        type: OpenAPI
      - url: openapi/constant-contact-v3-openapi.yml
        type: OpenAPI
    description: >-
      Production REST API for Constant Contact's email marketing, SMS, and events platform. OAuth2 authorization (auth
      code, PKCE, and JWT-bearer flows) gates all endpoints across account services, contacts, contact lists, tags,
      custom fields, segments, email campaigns and activities (with A/B tests, schedules, and tests), bulk activities
      for high-volume mutations, events (registrations, tracks, check-in, payment status), contact reporting, landing
      pages, and partner technology-account provisioning.
common:
  - type: LinkedIn
    url: https://www.linkedin.com/company/constant-contact
  - type: Website
    url: https://www.constantcontact.com/
  - type: Portal
    url: https://developer.constantcontact.com/
  - type: GettingStarted
    url: https://developer.constantcontact.com/api_guide/index.html
  - type: Authentication
    url: https://developer.constantcontact.com/api_guide/auth_overview.html
  - type: APIReference
    url: https://developer.constantcontact.com/api_reference/index.html
  - type: OpenAPI
    url: https://api.cc.email/v3/swagger.yaml
  - type: StatusPage
    url: https://status.constantcontact.com/
  - type: Support
    url: https://www.constantcontact.com/help
  - type: Community
    url: https://community.constantcontact.com/
  - type: Blog
    url: https://blogs.constantcontact.com/
  - type: GitHubOrganization
    url: https://github.com/constantcontact
  - type: PrivacyPolicy
    url: https://www.constantcontact.com/legal/privacy-statement
  - type: TermsOfService
    url: https://www.constantcontact.com/legal/terms-of-use
  - type: JSONLD
    url: json-ld/constant-contact-context.jsonld
  - type: JSONSchema
    url: json-schema/constant-contact-contact-schema.json
  - type: JSONSchema
    url: json-schema/constant-contact-campaign-schema.json
  - type: Spectral
    url: rules/constant-contact-rules.yml
  - type: Features
    data:
      - 'Lite: $12/mo for 500 contacts (jumps to $50/mo at 1K)'
      - 'Standard: mid-tier with A/B testing, segmentation'
      - 'Premium: $80/mo at 500 contacts with 24x email ratio'
      - 'Email overages: $0.002 per additional email'
      - REST API v3 at api.cc.email/v3
      - 'API limit: 4 req/sec, 10K req/day per app'
      - OAuth 2.0
      - Webhooks for contact and campaign events
      - Contacts, lists, segments, custom fields
      - Email Templates and Drag-and-Drop editor
      - Marketing Automation (Standard+)
      - Surveys, landing pages, social media posts
      - Reporting on opens, clicks, bounces, conversions
      - E-commerce integrations (Shopify, WooCommerce, etc.)
      - Event marketing and registration
      - List building tools and lead capture
    sources:
      - https://www.constantcontact.com/pricing
    updated: '2026-05-04'
maintainers:
  - FN: Kin Lane
    email: [email protected]