EmailOctopus website screenshot

EmailOctopus

EmailOctopus is an affordable email-marketing platform for newsletters, campaigns, automations, and audience management. Its REST API (v2 at https://api.emailoctopus.com, Bearer authenticated) lets developers manage lists, contacts, custom fields, tags, campaigns, automations, and campaign reports programmatically.

EmailOctopus publishes 6 APIs on the APIs.io network, including Automation API, Campaign API, Contact API, and 3 more. Tagged areas include Email, Email Marketing, Newsletters, Campaigns, and Automation.

EmailOctopus’ developer surface includes authentication, documentation, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
36.5/100 thin ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
6 APIs
EmailEmail MarketingNewslettersCampaignsAutomation

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 36.5/100 · thin
Contract Quality 13.2 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/emailoctopus: 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 6

Individual APIs this provider publishes, each with its own machine-readable definition.

EmailOctopus Automation API

The Automation API from EmailOctopus — 1 operation(s) for automation.

EmailOctopus Campaign API

The Campaign API from EmailOctopus — 5 operation(s) for campaign.

EmailOctopus Contact API

The Contact API from EmailOctopus — 3 operation(s) for contact.

EmailOctopus Field API

The Field API from EmailOctopus — 2 operation(s) for field.

EmailOctopus List API

The List API from EmailOctopus — 2 operation(s) for list.

EmailOctopus Tag API

The Tag API from EmailOctopus — 2 operation(s) for tag.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

EmailOctopus v2 API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Emailoctopus Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Emailoctopus Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Emailoctopus Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Emailoctopus Authentication

http · 1 scheme

SECURITY

Emailoctopus Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Emailoctopus Agentic Access

25 operations · 15 acting

25 operations · 15 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: emailoctopus
url: https://raw.githubusercontent.com/api-evangelist/emailoctopus/refs/heads/main/apis.yml
name: EmailOctopus
kind: company
description: EmailOctopus is an affordable email-marketing platform for newsletters, campaigns, automations, and audience
  management. Its REST API (v2 at https://api.emailoctopus.com, Bearer authenticated) lets developers manage lists, contacts,
  custom fields, tags, campaigns, automations, and campaign reports programmatically.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/emailoctopus.png
tags:
- Email
- Email Marketing
- Newsletters
- Campaigns
- Automation
created: '2026-06-25'
modified: '2026-06-25'
specificationVersion: '0.19'
apis:
- aid: emailoctopus:emailoctopus-automation-api
  name: EmailOctopus Automation API
  description: The Automation API from EmailOctopus — 1 operation(s) for automation.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - Automation
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-automation-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
- aid: emailoctopus:emailoctopus-campaign-api
  name: EmailOctopus Campaign API
  description: The Campaign API from EmailOctopus — 5 operation(s) for campaign.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - Campaign
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-campaign-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
- aid: emailoctopus:emailoctopus-contact-api
  name: EmailOctopus Contact API
  description: The Contact API from EmailOctopus — 3 operation(s) for contact.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - Contact
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-contact-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
- aid: emailoctopus:emailoctopus-field-api
  name: EmailOctopus Field API
  description: The Field API from EmailOctopus — 2 operation(s) for field.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - Field
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-field-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
- aid: emailoctopus:emailoctopus-list-api
  name: EmailOctopus List API
  description: The List API from EmailOctopus — 2 operation(s) for list.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - List
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-list-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
- aid: emailoctopus:emailoctopus-tag-api
  name: EmailOctopus Tag API
  description: The Tag API from EmailOctopus — 2 operation(s) for tag.
  humanURL: https://emailoctopus.com/api-documentation/lists
  baseURL: https://api.emailoctopus.com
  tags:
  - Tag
  properties:
  - type: OpenAPI
    url: openapi/emailoctopus-tag-api-openapi.yml
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/lists
  - type: APIReference
    url: https://emailoctopus.com/api-documentation
  - type: PostmanCollection
    url: collections/emailoctopus.postman_collection.json
  - type: OpenCollection
    url: collections/emailoctopus.opencollection.json
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/campaigns
  - type: Documentation
    url: https://emailoctopus.com/api-documentation/automations/queue
common:
- type: AgenticAccess
  url: agentic-access/emailoctopus-agentic-access.yml
- type: DomainSecurity
  url: security/emailoctopus-domain-security.yml
- type: Authentication
  url: authentication/emailoctopus-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/emailoctopus
- type: Website
  url: https://emailoctopus.com
- type: Documentation
  url: https://emailoctopus.com/api-documentation
- type: Plans
  url: plans/emailoctopus-plans-pricing.yml
- type: RateLimits
  url: rate-limits/emailoctopus-rate-limits.yml
- type: FinOps
  url: finops/emailoctopus-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com