Introduction

Build integrations with the APIs behind Simplified's content, project management, and automation products.

The API reference documents the HTTP operations available for direct integrations. The CLI and MCP expose subsets of these operations, with different discovery, input, and job-handling behavior. An endpoint appearing here does not mean it has a CLI command or is enabled on every MCP connection.

Choose an interface

Interface	Best for	Coverage and behavior
MCP	Working through an AI assistant	Discover the tools enabled on your connection; some tools handle polling or follow-up calls
CLI	Terminal commands and scripts	Use the commands in the published CLI; supported long-running commands offer `--wait`
REST API	Building a direct integration	Supply HTTP requests, manage pagination, and poll asynchronous operations yourself

The published CLI 1.8.0 supports creative projects and items but does not have dedicated commands for PM boards, workflow management, agent management, or knowledge bases. MCP availability also depends on the connection’s tool inventory.

Find the right API

Product	What it manages	Start with
Creative projects	Content containers and individual deliverables	List projects, project items
Project Manager	Boards, status columns, tasks, assignees, and dependencies	List boards
Workflows	Reusable definitions, publication, executions, and run control	Find workflows, create a draft
Agents	Agent configuration, skills, toolkits, and triggers	List agents
Knowledge Bases	Source collections, ingestion, and retrieval	List collections, search

Creative projects and PM boards are separate resources. The former uses project and item operations; the latter uses board, status, and task operations. A project item ID is not a task ID. See Organize and automate for a practical example using both.

The other API sections cover workspace identity, brand context, assets, generation, social publishing and analytics, media processing, and notifications.

Base URLs

Most operations use:

https://api.simplified.com

Agents and Knowledge Bases use:

https://kd-agents.simplified.com

The same workspace credential works with both services. Use the server and path shown on the individual endpoint page.

Make your first integration

Create an API key and authenticate.
Identify the workspace and select a space.
Read the endpoint’s required parameters and request schema.
Submit the request and keep the returned identifiers.
For background work, follow Async jobs and polling and the endpoint’s documented completion state.

HTTP schemas describe the direct API call. An MCP tool may add convenience inputs or follow-up behavior; use the current tool schema when calling MCP rather than assuming every tool argument belongs in the REST body.