curl --request POST \
  --url https://app.thinnest.ai/api/v1/sequences/{sequenceId}/activate \
  --header 'Authorization: Bearer <token>'

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://app.thinnest.ai/api/v1/sequences/{sequenceId}/activate', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.thinnest.ai/api/v1/sequences/{sequenceId}/activate"

headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, headers=headers)

print(response.text)

{
  "id": "7c0e4b2a-9d3f-4e61-8a5c-1b7f3e9d2c08",
  "name": "After delivery",
  "status": "active",
  "agent": "ag_2c7e9a14-5b3d-4f8e-a1c6-7d9b0e3f5a21",
  "exitOnReply": true,
  "triggerTags": [
    "delivered"
  ],
  "exitOnTags": [
    "refunded"
  ],
  "startOn": [
    "order.delivered"
  ],
  "stopOn": [
    "order.returned"
  ],
  "steps": [
    {
      "position": 1,
      "delayHours": 2,
      "template": {
        "name": "delivery_thanks",
        "language": "en"
      }
    },
    {
      "position": 2,
      "delayHours": 48,
      "template": {
        "name": "review_request",
        "language": "en"
      }
    }
  ],
  "enrolments": {
    "active": 0,
    "completed": 0,
    "exited": 0
  },
  "createdAt": "2026-10-06T10:00:04.512Z"
}

{
  "error": "Send a valid API key as `Authorization: Bearer <key>`."
}

{
  "error": "This API key is read-only: it can read everything but change nothing."
}

{
  "error": "That sequence was not found."
}

{
  "error": "Add at least one message before turning it on."
}

{
  "error": "Over 240 requests a minute. Slow down and retry."
}