API reference · CAIN Trajectory

Create Policy

POST /fabric/trajectories/policies

Last reviewed 2026-10-02

POST /fabric/trajectories/policies

Create a trajectory policy.

Request body

Body_create_policy_fabric_trajectories_policies_post (required)

Field	Type	Meaning
`name` required	string
`description`	string	default `""`
`rules`	array of object or null

Responses

Status	Meaning	Body
`200`	Successful Response	object
`422`	Validation Error	`HTTPValidationError`
`401`	No key, or a key that is not valid	JSON `detail`
`429`	Rate limit for your plan reached; retry after the Retry-After seconds	JSON `detail`

Try it

Your API key X-API-Key Remember the key in this tab onlyRequest body application/json

This call changes data in the account the key belongs to.

The request goes from your browser straight to this site. Your key is not stored unless you tick the box, and then only in this tab's session storage.

Code

curl -sS -X POST 'https://cainstudio.online/fabric/trajectories/policies' \
  -H "X-API-Key: $CAIN_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"name": "name", "description": ""}'

import json, os, urllib.request

req = urllib.request.Request('https://cainstudio.online/fabric/trajectories/policies', method='POST',
    headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
    data=json.dumps({
      "name": "name",
      "description": ""
    }).encode())
with urllib.request.urlopen(req, timeout=60) as r:
    print(r.status, json.load(r))

const res = await fetch("https://cainstudio.online/fabric/trajectories/policies", {
  method: "POST",
  headers: {
    "X-API-Key": process.env.CAIN_API_KEY!,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "name": "name",
    "description": ""
  }),
});
console.log(res.status, await res.json());

Schemas used

Body_create_policy_fabric_trajectories_policies_post · HTTPValidationError · ValidationError

← List Policies · all 22 CAIN Trajectory calls · Get Policy →

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