POST/api/v1/analysis/cpm/async

Calculate Critical Path (Async)

Submit CPM calculation as async job (for large schedules >1,000 tasks).

This endpoint queues a CPM calculation job for background processing. Use GET /api/v1/jobs/{job_id} to poll for completion.

Tier Restrictions:

Task Limits:

Args: request: CPM calculation request api_key: API key for authentication

Returns: Job submission response with job_id and polling_url

Raises: HTTPException 402: Task count exceeds tier limit HTTPException 403: Async not available for tier (demo/free)

Request example

json

{
  "tasks": [
    {
      "id": "T1",
      "duration_days": 5
    }
  ]
}

Required fields and the optional fields that change this call are listed here. The shared task model stays on the task schema guide.

This table is generated from the endpoint schema in openapi.json.

Field	Type	Required	Description
tasks	array<unknown>	Required	List of tasks in the schedule
tasks[].id	string	Required	Unique task identifier
options	object	Optional	Options for CPM calculation.
options.include_network_details	boolean	Optional	Include network details (start/finish tasks, relationship types)
options.relationship_types	array<string> \| null	Optional	Optional relationship-type filter for network aggregation and details (FS, SS, FF, SF).

json

{
  "score": 92,
  "grade": "A"
}

json-schema

{
  "$ref": "#/components/schemas/CPMRequest"
}

Operation ID: analysis_cpm_async
Section: Analysis
Tags: Analysis
Playground link: /playground?endpoint=%2Fapi%2Fv1%2Fanalysis%2Fcpm%2Fasync&method=post

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Topic: Calculate Critical Path (Async) · Page: /docs/api-reference/analysis_cpm_async

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