curl --request POST \
  --url https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel \
  --header 'x-api-key: <api-key>'

const options = {method: 'POST', headers: {'x-api-key': '<api-key>'}};

fetch('https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-api-key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel")
  .header("x-api-key", "<api-key>")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://commet.co/api/v1/plans/{id}/moves/{moveId}/subscriptions/{subscriptionId}/cancel",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "id": "pvm_1a2b3c4d",
  "toVersionId": "plr_9i0j1k2l",
  "fromVersionIds": [
    "plr_1a2b3c4d"
  ],
  "effective": "period_end",
  "preview": false,
  "status": "moving",
  "counts": {
    "moving": 178,
    "moved": 0,
    "needsAChange": 1,
    "leftOut": 3,
    "canceled": 1,
    "keptOnVersion": 0
  },
  "subscriptions": [
    {
      "subscriptionId": "sub_1a2b3c4d",
      "status": "canceled",
      "code": "canceled_by_merchant",
      "message": null
    },
    {
      "subscriptionId": "sub_9i0j1k2l",
      "status": "needs_a_change",
      "code": "addon_unavailable",
      "message": "The version does not sell the add-on SSO, which the subscription has active. Deactivate it before moving the subscription."
    },
    {
      "subscriptionId": "sub_5e6f7g8h",
      "status": "left_out",
      "code": "invalid_subscription_status",
      "message": "A paused subscription cannot change versions. Only active, trialing and past due subscriptions can."
    }
  ],
  "createdAt": "2026-09-07T12:00:00.000Z",
  "completedAt": null,
  "canceledAt": null,
  "object": "plan_move"
}

{
  "error": {
    "type": "validation_error",
    "code": "validation_error",
    "message": "The request contains an invalid parameter.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/validation_error.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "unauthorized",
    "message": "A valid API key is required.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/unauthorized.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "forbidden",
    "message": "You do not have permission to perform this operation.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/forbidden.md"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "not_found",
    "message": "The requested resource was not found.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/not_found.md"
  }
}

{
  "error": {
    "type": "conflict_error",
    "code": "idempotency_in_progress",
    "message": "A request with this idempotency key is still being processed.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_in_progress.md"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Too many requests. Retry after the interval specified in the Retry-After header.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/rate_limited.md"
  }
}

{
  "error": {
    "type": "internal_error",
    "code": "internal_error",
    "message": "An unexpected error occurred while processing the request.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/internal_error.md"
  }
}

{
  "error": {
    "type": "internal_error",
    "code": "idempotency_unavailable",
    "message": "Idempotency storage is temporarily unavailable. Retry with the same idempotency key.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_unavailable.md"
  }
}