CommsHarbor
Transactional email and permission-based marketing infrastructure with tenant isolation, deliverability tracking, CRM, and multi-tenant governance. Self-describes as an agent-first HTTP API with a hosted MCP server.
CommsHarbor publishes 18 API contracts indexed on the APIs.io network, including Apis.json API, Auth API, Aws API, and 15 more. Tagged areas include Email, Transactional Email, Email Marketing, Communications, and Messaging.
The CommsHarbor catalog on APIs.io includes 1 event-driven AsyncAPI specification.
CommsHarbor’s developer surface includes pricing, authentication, and 20 more developer resources.
What this lets a business do 2
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 18
Individual APIs this provider publishes, each with its own machine-readable definition.
CommsHarbor Apis.json API
The Apis.json API from CommsHarbor — 1 operation(s) for apis.json.
CommsHarbor Auth API
The Auth API from CommsHarbor — 3 operation(s) for auth.
CommsHarbor Aws API
The Aws API from CommsHarbor — 1 operation(s) for aws.
CommsHarbor Billing API
The Billing API from CommsHarbor — 1 operation(s) for billing.
CommsHarbor Comms Harbor API
The CommsHarbor API from CommsHarbor — 1 operation(s) for commsharbor.
CommsHarbor Context API
The Context API from CommsHarbor — 1 operation(s) for context.
CommsHarbor Credito API
The Credito API from CommsHarbor — 1 operation(s) for credito.
CommsHarbor Health API
The Health API from CommsHarbor — 1 operation(s) for health.
CommsHarbor Invitations API
The Invitations API from CommsHarbor — 1 operation(s) for invitations.
CommsHarbor MCP API
The Mcp API from CommsHarbor — 1 operation(s) for mcp.
CommsHarbor Me API
The Me API from CommsHarbor — 1 operation(s) for me.
CommsHarbor Messages API
The Messages API from CommsHarbor — 1 operation(s) for messages.
CommsHarbor Metrics API
The Metrics API from CommsHarbor — 1 operation(s) for metrics.
CommsHarbor Okf API
The Okf API from CommsHarbor — 1 operation(s) for okf.
CommsHarbor Organizations API
The Organizations API from CommsHarbor — 70 operation(s) for organizations.
CommsHarbor Platform API
The Platform API from CommsHarbor — 7 operation(s) for platform.
CommsHarbor Preferences API
The Preferences API from CommsHarbor — 2 operation(s) for preferences.
CommsHarbor .well Known API
The .well Known API from CommsHarbor — 1 operation(s) for .well known.
Scroll for all 18
MCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
CommsHarbor MCP Server
MCP SERVERPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Commsharbor Rate Limits
RATE LIMITSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Commsharbor Webhooks
ASYNCAPIOpenAPI Overlays 1
Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.
Commsharbor Openapi Overlay
GENERATEDSecurity Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 4
Pagination, idempotency, versioning, errors, and events
Access & Security 5
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API
Other 2
Properties that don't map to a standard resource type
Source (apis.yml)
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.