SEDNA

SEDNA is the operating system for shipping — a communications and workflow platform that unifies email, voyage and trade operations, and document handling for maritime, commodity trading and logistics teams. Its API (version 2019-01-01) exposes messages, contacts, teams, users, job references, category tags, events and workflows over a JSON:API-style REST interface secured with OAuth 2.0 client-credentials, letting developers automate inbox routing, tagging, subscriptions and third-party integrations. Backed by Insight Partners.

SEDNA publishes 17 APIs on the APIs.io network, including Authentication API, Category Tag API API, Comment API API, and 14 more. Tagged areas include Company, Shipping, Maritime, Email, and Communications.

SEDNA’s developer surface includes documentation, API reference, support, engineering blog, authentication, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.7/100 thin ▬ flat Agent 69/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
17 APIs 1 MCP Servers
CompanyShippingMaritimeEmailCommunicationsWorkflowCommodity TradingLogisticsMessaging

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 40.7/100 · thin
Contract Quality 10.6 / 25
Developer Ergonomics 11.3 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 3.1 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 69/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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/sedna: 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 17

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

SEDNA Authentication API

The Authentication API from SEDNA — 1 operation(s) for authentication.

SEDNA Category Tag API API

The Category Tag API API from SEDNA — 7 operation(s) for category tag api.

SEDNA Comment API API

The Comment API API from SEDNA — 1 operation(s) for comment api.

SEDNA Company API API

The Company API API from SEDNA — 1 operation(s) for company api.

SEDNA Contact API API

The Contact API API from SEDNA — 8 operation(s) for contact api.

SEDNA Document API API

The Document API API from SEDNA — 1 operation(s) for document api.

SEDNA Download API API

The Download API API from SEDNA — 4 operation(s) for download api.

SEDNA Event API API

The Event API API from SEDNA — 9 operation(s) for event api.

SEDNA Job Reference API API

The Job Reference API API from SEDNA — 7 operation(s) for job reference api.

SEDNA Keyword API API

The Keyword API API from SEDNA — 3 operation(s) for keyword api.

SEDNA Message API API

The Message API API from SEDNA — 19 operation(s) for message api.

SEDNA Saved Search API API

The Saved Search API API from SEDNA — 2 operation(s) for saved search api.

SEDNA Team API API

The Team API API from SEDNA — 9 operation(s) for team api.

SEDNA Template API API

The Template API API from SEDNA — 2 operation(s) for template api.

SEDNA User API API

The User API API from SEDNA — 16 operation(s) for user api.

SEDNA Vessel API API

The Vessel API API from SEDNA — 1 operation(s) for vessel api.

SEDNA Workflow API API

The Workflow API API from SEDNA — 2 operation(s) for workflow api.

Scroll for all 17

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

sedna-mcp.yml

MCP SERVER

Security Posture 2

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

Sedna Authentication

http/oauth2 · 2 schemes

SECURITY

Sedna Domain Security

TLSv1.3 · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Sedna Scopes

53 scopes · clientCredentials

53 scopes

SCOPES

Agentic Access 1

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

Sedna Agentic Access

162 operations · 81 acting · 4 human-in-the-loop

162 operations · 81 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgenticAccess
AgenticAccess

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

ErrorCatalog
ErrorCatalog
 Conventions
Conventions
 Lifecycle
Lifecycle
 Conformance
Conformance
 DataModel
DataModel

Access & Security 4

Authentication, authorization, and security posture

Authentication
Authentication
 OAuthScopes
OAuthScopes
 Compliance
Compliance
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 Deprecation
Deprecation

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Blog
Blog
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: sedna
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/sedna.png
name: SEDNA
description: SEDNA is the operating system for shipping — a communications and workflow platform that unifies email, voyage
  and trade operations, and document handling for maritime, commodity trading and logistics teams. Its API (version 2019-01-01)
  exposes messages, contacts, teams, users, job references, category tags, events and workflows over a JSON:API-style REST
  interface secured with OAuth 2.0 client-credentials, letting developers automate inbox routing, tagging, subscriptions and
  third-party integrations. Backed by Insight Partners.
url: https://raw.githubusercontent.com/api-evangelist/sedna/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- insight-partners
x-tier: enriched
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Shipping
- Maritime
- Email
- Communications
- Workflow
- Commodity Trading
- Logistics
- Messaging
apis:
- aid: sedna:sedna-authentication-api
  name: SEDNA Authentication API
  description: The Authentication API from SEDNA — 1 operation(s) for authentication.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/sedna-authentication-api-openapi.yml
- aid: sedna:sedna-category-tag-api-api
  name: SEDNA Category Tag API API
  description: The Category Tag API API from SEDNA — 7 operation(s) for category tag api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Category Tag API
  properties:
  - type: OpenAPI
    url: openapi/sedna-category-tag-api-api-openapi.yml
- aid: sedna:sedna-comment-api-api
  name: SEDNA Comment API API
  description: The Comment API API from SEDNA — 1 operation(s) for comment api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Comment API
  properties:
  - type: OpenAPI
    url: openapi/sedna-comment-api-api-openapi.yml
- aid: sedna:sedna-company-api-api
  name: SEDNA Company API API
  description: The Company API API from SEDNA — 1 operation(s) for company api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Company API
  properties:
  - type: OpenAPI
    url: openapi/sedna-company-api-api-openapi.yml
- aid: sedna:sedna-contact-api-api
  name: SEDNA Contact API API
  description: The Contact API API from SEDNA — 8 operation(s) for contact api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Contact API
  properties:
  - type: OpenAPI
    url: openapi/sedna-contact-api-api-openapi.yml
- aid: sedna:sedna-document-api-api
  name: SEDNA Document API API
  description: The Document API API from SEDNA — 1 operation(s) for document api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Document API
  properties:
  - type: OpenAPI
    url: openapi/sedna-document-api-api-openapi.yml
- aid: sedna:sedna-download-api-api
  name: SEDNA Download API API
  description: The Download API API from SEDNA — 4 operation(s) for download api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Download API
  properties:
  - type: OpenAPI
    url: openapi/sedna-download-api-api-openapi.yml
- aid: sedna:sedna-event-api-api
  name: SEDNA Event API API
  description: The Event API API from SEDNA — 9 operation(s) for event api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Event API
  properties:
  - type: OpenAPI
    url: openapi/sedna-event-api-api-openapi.yml
- aid: sedna:sedna-job-reference-api-api
  name: SEDNA Job Reference API API
  description: The Job Reference API API from SEDNA — 7 operation(s) for job reference api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Job Reference API
  properties:
  - type: OpenAPI
    url: openapi/sedna-job-reference-api-api-openapi.yml
- aid: sedna:sedna-keyword-api-api
  name: SEDNA Keyword API API
  description: The Keyword API API from SEDNA — 3 operation(s) for keyword api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Keyword API
  properties:
  - type: OpenAPI
    url: openapi/sedna-keyword-api-api-openapi.yml
- aid: sedna:sedna-message-api-api
  name: SEDNA Message API API
  description: The Message API API from SEDNA — 19 operation(s) for message api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Message API
  properties:
  - type: OpenAPI
    url: openapi/sedna-message-api-api-openapi.yml
- aid: sedna:sedna-saved-search-api-api
  name: SEDNA Saved Search API API
  description: The Saved Search API API from SEDNA — 2 operation(s) for saved search api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Saved Search API
  properties:
  - type: OpenAPI
    url: openapi/sedna-saved-search-api-api-openapi.yml
- aid: sedna:sedna-team-api-api
  name: SEDNA Team API API
  description: The Team API API from SEDNA — 9 operation(s) for team api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Team API
  properties:
  - type: OpenAPI
    url: openapi/sedna-team-api-api-openapi.yml
- aid: sedna:sedna-template-api-api
  name: SEDNA Template API API
  description: The Template API API from SEDNA — 2 operation(s) for template api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Template API
  properties:
  - type: OpenAPI
    url: openapi/sedna-template-api-api-openapi.yml
- aid: sedna:sedna-user-api-api
  name: SEDNA User API API
  description: The User API API from SEDNA — 16 operation(s) for user api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - User API
  properties:
  - type: OpenAPI
    url: openapi/sedna-user-api-api-openapi.yml
- aid: sedna:sedna-vessel-api-api
  name: SEDNA Vessel API API
  description: The Vessel API API from SEDNA — 1 operation(s) for vessel api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Vessel API
  properties:
  - type: OpenAPI
    url: openapi/sedna-vessel-api-api-openapi.yml
- aid: sedna:sedna-workflow-api-api
  name: SEDNA Workflow API API
  description: The Workflow API API from SEDNA — 2 operation(s) for workflow api.
  humanURL: https://developers.sedna.com/reference
  baseURL: https://example.sednanetwork.com/platform
  tags:
  - Workflow API
  properties:
  - type: OpenAPI
    url: openapi/sedna-workflow-api-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DeveloperPortal
  url: https://developers.sedna.com/
- type: Documentation
  url: https://developers.sedna.com/
- type: APIReference
  url: https://developers.sedna.com/reference
- type: Support
  url: https://support.sedna.com/hc/en-us
- type: Blog
  url: https://sedna.com/blog
- type: TermsOfService
  url: https://www.sedna.com/terms-of-service
- type: PrivacyPolicy
  url: https://www.sedna.com/legal
- type: StatusPage
  url: https://status.sedna.com
- type: Authentication
  url: authentication/sedna-authentication.yml
- type: OAuthScopes
  url: scopes/sedna-scopes.yml
- type: MCPServer
  url: mcp/sedna-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/sedna-llms.txt
- type: ErrorCatalog
  url: errors/sedna-problem-types.yml
- type: Conventions
  url: conventions/sedna-conventions.yml
- type: Lifecycle
  url: lifecycle/sedna-lifecycle.yml
- type: Deprecation
  url: lifecycle/sedna-lifecycle.yml
- type: Conformance
  url: conformance/sedna-conformance.yml
- type: Compliance
  url: conformance/sedna-conformance.yml
- type: DataModel
  url: data-model/sedna-data-model.yml
- type: WellKnown
  url: well-known/sedna-well-known.yml
- type: AgenticAccess
  url: agentic-access/sedna-agentic-access.yml
- type: DomainSecurity
  url: security/sedna-domain-security.yml
- type: Website
  url: https://sedna.com/
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 17
  pass: local-v1