Moosend website screenshot

Moosend

Moosend is an email marketing and automation platform with a REST API for managing mailing lists, campaigns, subscribers, automations, and tracking email performance metrics. The API uses HTTPS with API key authentication and provides programmatic access to email lists, subscriber management, campaign creation and scheduling, audience segmentation, transactional emails, and real-time reporting.

Moosend publishes 1 API on the APIs.io network. Tagged areas include Email Marketing, Marketing Automation, Campaigns, Mailing Lists, and Subscribers.

The Moosend catalog on APIs.io includes 1 JSON-LD context.

Moosend’s developer surface includes documentation, engineering blog, pricing, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub
34.7/100 thin ▬ flat Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumFree trial
1 APIs
Email MarketingMarketing AutomationCampaignsMailing ListsSubscribersTransactional EmailSMTPSegmentationAnalytics

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 34.7/100 · thin
Contract Quality 11.3 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 11.6 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 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/moosend: 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 1

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

Moosend API

The Moosend REST API (v3) enables programmatic access to email marketing and automation capabilities including managing email lists, subscribers, campaigns, segments, and transa...

Pricing Plans 1

Published pricing tiers and plan structures.

Moosend Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Moosend Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

Moosend Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Moosend Context

20 classes · 0 properties

JSON-LD

Security Posture 2

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

Moosend Domain Security

TLSv1.3 · DMARC

SECURITY

Moosend Trust Center

GDPR

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLD
JSONLD

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg

Access & Security 2

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 4

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: moosend
name: Moosend
description: Moosend is an email marketing and automation platform with a REST API for managing mailing lists, campaigns,
  subscribers, automations, and tracking email performance metrics. The API uses HTTPS with API key authentication and provides
  programmatic access to email lists, subscriber management, campaign creation and scheduling, audience segmentation, transactional
  emails, and real-time reporting.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: true
  try_now: false
  public: false
  label: Freemium (free trial)
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/moosend.png
url: https://raw.githubusercontent.com/api-evangelist/moosend/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Email Marketing
- Marketing Automation
- Campaigns
- Mailing Lists
- Subscribers
- Transactional Email
- SMTP
- Segmentation
- Analytics
apis:
- aid: moosend:moosend-api
  name: Moosend API
  description: The Moosend REST API (v3) enables programmatic access to email marketing and automation capabilities including
    managing email lists, subscribers, campaigns, segments, and transactional emails. Authentication is via API key passed
    as a query string parameter.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://moosend.com/
  baseURL: https://api.moosend.com/v3
  tags:
  - Email Marketing
  - Campaigns
  - Subscribers
  - Mailing Lists
  - Segmentation
  - Transactional Email
  properties:
  - type: Documentation
    url: https://docs.moosend.com/developers/api-documentation/en/index-en.html
  - type: OpenAPI
    url: https://moosendapp.docs.apiary.io/
common:
- type: TrustCenter
  url: security/moosend-trust-center.yml
- type: DomainSecurity
  url: security/moosend-domain-security.yml
- type: Website
  url: https://moosend.com/
- type: Documentation
  url: https://docs.moosend.com/developers/api-documentation/en/index-en.html
- type: GitHubOrg
  url: https://github.com/moosend
- type: LinkedIn
  url: https://www.linkedin.com/company/moosend
- type: Blog
  url: https://moosend.com/blog/
- type: Pricing
  url: https://moosend.com/pricing/
- type: StatusPage
  url: https://status.moosend.com/
- type: X
  url: https://x.com/moosend
- type: Plans
  url: plans/moosend-plans-pricing.yml
- type: RateLimits
  url: rate-limits/moosend-rate-limits.yml
- type: FinOps
  url: finops/moosend-finops.yml
- type: Blog
  url: blogs/blogs.json
- type: JSONLD
  url: json-ld/moosend-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com