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
API Governance Rules
Resources
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LinkedIn
LinkedIn
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Website
Website
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Portal
Portal
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GettingStarted
GettingStarted
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Authentication
Authentication
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APIReference
APIReference
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OpenAPI
OpenAPI
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StatusPage
StatusPage
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Support
Support
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Community
Community
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Blog
Blog
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GitHubOrganization
GitHubOrganization
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PrivacyPolicy
PrivacyPolicy
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TermsOfService
TermsOfService
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JSONLD
JSONLD
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JSONSchema
JSONSchema
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JSONSchema
JSONSchema
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Spectral
Spectral