# Constant Contact

**Canonical:** https://apis.io/providers/constant-contact/  
**Website:** https://www.constantcontact.com/  
**APIs profiled:** 17

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.

## Kin Score — 65.5 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 65.5).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 70.3 |
| Governance | 26.5 |
| Contract Governance | 26.5 |
| Operational Transparency | 73.7 |
| Developer Ergonomics | 66.1 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

Regulatory layer — **Telecommunications**: 58.3 (matched via tags).

## Agent readiness — 36.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (17)

- **Constant Contact Account Services API** — Use the account endpoints and methods to get account information.
- **Constant Contact Bulk Activities API** — Bulk activities endpoints are used to manage large numbers of contacts, lists, and tags.
- **Constant Contact Contact Lists API** — Endpoints and methods to get, create, delete, and update one or more contact lists.
- **Constant Contact Contact Tags API** — Endpoints and methods to get, create, delete, and update one or more contact tags.
- **Constant Contact Contacts API** — Endpoints and methods to get, create, delete, and update one or more contacts.
- **Constant Contact Contacts Custom Fields API** — Endpoints and methods to get, create, delete, and update on one or more custom fields.
- **Constant Contact Contacts Reporting API** — Contact reporting endpoints are used to gather activity reports for campaigns sent to a contact.
- **Constant Contact Email Campaigns AB Tests API** — Use email campaigns A/B Test endpoints and methods to get, create, delete and update A/B tests.
- **Constant Contact Email Campaigns API** — Use email campaign endpoints and methods to get, create, and update email campaigns.
- **Constant Contact Email Reporting API** — Use the email reporting endpoints and methods to get reporting data for email campaigns you sent to contacts.
- **Constant Contact Email Scheduling API** — Use email scheduling endpoints and methods to schedule an email campaign activity, unschedule an email campaign activity, and GET schedule information.
- **Constant Contact Events API** — Endpoints and methods used to create and manage events.
- **Constant Contact Landing Pages Reporting API** — Use landing pages reporting endpoints and methods to get reporting data about how a contact interacted with a campaign activity.
- **Constant Contact Segments API** — Use segments to target a subset of your contacts that are most likely to engage with a particular campaign.
- **Constant Contact SMS Reporting API** — Use SMS reporting endpoints and methods to get reporting data about SMS campaigns.
- **Constant Contact Technology Partners API** — Use partner endpoints to manage client Constant Contact accounts under your partner account.
- **Constant Contact Technology Partners Webhooks API** — Use partner webhooks to subscribe to billing event notifications from Constant Contact.

## Agentic access (1)

- **Constant Contact Agentic Access** — 120 operations · 60 acting · 2 human-in-the-loop

## Security (2)

- **Constant Contact Authentication** — apiKey/oauth2 · 3 schemes
- **Constant Contact Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Constant Contact Plans Pricing**

## Tags

Campaigns, Contacts, Email Marketing, Event, Reporting, SMS, Surveys

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/constant-contact/). Scores are computed from the provider's own public artifacts under a published rubric.