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GalaxyAI Workflow API

The GalaxyAI Workflow API lets you programmatically create, manage, and execute AI workflows. Build automation pipelines that chain together AI models, media processing, and custom logic — then trigger them via simple REST calls.

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What you can do

  • Workflows — Create, update, list, duplicate, and delete workflow definitions.
  • Runs — Start workflow executions, monitor progress, cancel in-flight runs, and retry failed nodes.
  • Webhooks — Receive real-time HTTP notifications when runs complete, fail, or progress — no polling required.
  • MCP Server — Connect AI assistants like Claude Desktop or Cursor to manage workflows directly.

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Base URL

https://app.galaxy.ai/api

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Quick start

# List your workflows
curl https://app.galaxy.ai/api/v1/workflows \
  -H "Authorization: Bearer gx_your_api_key"

# Start a workflow run
curl -X POST https://app.galaxy.ai/api/v1/runs \
  -H "Authorization: Bearer gx_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"workflowId": "wf_abc123"}'

# Start a run with webhook notifications
curl -X POST https://app.galaxy.ai/api/v1/runs \
  -H "Authorization: Bearer gx_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "workflowId": "wf_abc123",
    "webhook": {
      "url": "https://your-app.com/webhooks/galaxyai",
      "events": ["run.completed", "run.failed"]
    }
  }'

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OpenAPI spec

The full OpenAPI 3.1 specification is available at: 
https://app.galaxy.ai/api/v1/openapi.json
Import it into tools like Postman, Insomnia, or any OpenAPI-compatible client.