Write a canvas page

curl --request PUT \
  --url https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "page": {
    "title": "Weekly sales",
    "html": "<h1>Weekly sales</h1><p>Up 12% on last week.</p>"
  }
}
'

import requests

url = "https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}"

payload = { "page": {
        "title": "Weekly sales",
        "html": "<h1>Weekly sales</h1><p>Up 12% on last week.</p>"
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    page: {
      title: 'Weekly sales',
      html: '<h1>Weekly sales</h1><p>Up 12% on last week.</p>'
    }
  })
};

fetch('https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'page' => [
        'title' => 'Weekly sales',
        'html' => '<h1>Weekly sales</h1><p>Up 12% on last week.</p>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}"

	payload := strings.NewReader("{\n  \"page\": {\n    \"title\": \"Weekly sales\",\n    \"html\": \"<h1>Weekly sales</h1><p>Up 12% on last week.</p>\"\n  }\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"page\": {\n    \"title\": \"Weekly sales\",\n    \"html\": \"<h1>Weekly sales</h1><p>Up 12% on last week.</p>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/company/v2026-10/bots/{bot_id}/runs/{run_id}/canvas/pages/{slug}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"page\": {\n    \"title\": \"Weekly sales\",\n    \"html\": \"<h1>Weekly sales</h1><p>Up 12% on last week.</p>\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "page": {
    "slug": "weekly-sales",
    "title": "Weekly sales",
    "version": 4,
    "updated_at": "2026-10-28T15:45:00.000Z"
  },
  "status": 201,
  "meta": {
    "request_uuid": "7e2c9b41-3f8a-4d15-b6e0-9a4c21d7f583",
    "timestamp": "2026-10-28T15:45:00Z"
  }
}

{
  "message": "Invalid credentials."
}

{
  "message": "Not authorized."
}

{
  "error": {
    "message": "Run not found",
    "details": {}
  },
  "status": 404,
  "meta": {
    "request_uuid": "7e2c9b41-3f8a-4d15-b6e0-9a4c21d7f583",
    "timestamp": "2026-10-26T15:32:08Z"
  }
}

{
  "error": {
    "message": "The run is not open",
    "details": {
      "type": "run_closed"
    }
  },
  "status": 409,
  "meta": {
    "request_uuid": "7e2c9b41-3f8a-4d15-b6e0-9a4c21d7f583",
    "timestamp": "2026-10-26T15:32:08Z"
  }
}

{
  "error": {
    "message": "A canvas holds at most 12 pages; remove one first",
    "details": {
      "type": "too_many_pages"
    }
  },
  "status": 422,
  "meta": {
    "request_uuid": "7e2c9b41-3f8a-4d15-b6e0-9a4c21d7f583",
    "timestamp": "2026-10-28T15:45:00Z"
  }
}