curl --request POST \
  --url https://api.craftkit.dev/v1/embed/sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "tenant": {
    "externalId": "org_123",
    "displayName": "Acme Corp"
  },
  "actor": {
    "externalId": "user_456",
    "displayName": "Jane Doe",
    "email": "jane@example.com"
  },
  "scope": {
    "mode": "edit",
    "templateExternalId": "7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f"
  }
}
'

import requests

url = "https://api.craftkit.dev/v1/embed/sessions"

payload = {
    "tenant": {
        "externalId": "org_123",
        "displayName": "Acme Corp"
    },
    "actor": {
        "externalId": "user_456",
        "displayName": "Jane Doe",
        "email": "jane@example.com"
    },
    "scope": {
        "mode": "edit",
        "templateExternalId": "7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    tenant: {externalId: 'org_123', displayName: 'Acme Corp'},
    actor: {externalId: 'user_456', displayName: 'Jane Doe', email: 'jane@example.com'},
    scope: {mode: 'edit', templateExternalId: '7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f'}
  })
};

fetch('https://api.craftkit.dev/v1/embed/sessions', 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.craftkit.dev/v1/embed/sessions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'tenant' => [
        'externalId' => 'org_123',
        'displayName' => 'Acme Corp'
    ],
    'actor' => [
        'externalId' => 'user_456',
        'displayName' => 'Jane Doe',
        'email' => 'jane@example.com'
    ],
    'scope' => [
        'mode' => 'edit',
        'templateExternalId' => '7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f'
    ]
  ]),
  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.craftkit.dev/v1/embed/sessions"

	payload := strings.NewReader("{\n  \"tenant\": {\n    \"externalId\": \"org_123\",\n    \"displayName\": \"Acme Corp\"\n  },\n  \"actor\": {\n    \"externalId\": \"user_456\",\n    \"displayName\": \"Jane Doe\",\n    \"email\": \"jane@example.com\"\n  },\n  \"scope\": {\n    \"mode\": \"edit\",\n    \"templateExternalId\": \"7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f\"\n  }\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.craftkit.dev/v1/embed/sessions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"tenant\": {\n    \"externalId\": \"org_123\",\n    \"displayName\": \"Acme Corp\"\n  },\n  \"actor\": {\n    \"externalId\": \"user_456\",\n    \"displayName\": \"Jane Doe\",\n    \"email\": \"jane@example.com\"\n  },\n  \"scope\": {\n    \"mode\": \"edit\",\n    \"templateExternalId\": \"7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.craftkit.dev/v1/embed/sessions")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"tenant\": {\n    \"externalId\": \"org_123\",\n    \"displayName\": \"Acme Corp\"\n  },\n  \"actor\": {\n    \"externalId\": \"user_456\",\n    \"displayName\": \"Jane Doe\",\n    \"email\": \"jane@example.com\"\n  },\n  \"scope\": {\n    \"mode\": \"edit\",\n    \"templateExternalId\": \"7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f\"\n  }\n}"

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

{
  "session_id": "1d2c3b4a-5e6f-7081-92a3-b4c5d6e7f809",
  "session_token": "eyJhbGciOiJFZERTQSJ9...",
  "iframe_url": "https://embed.craftkit.dev/builder?session=...",
  "expires_at": "2026-06-21T11:00:00.000Z",
  "renew_token": "rt_abc123"
}

{
  "error": "invalid_json"
}

{
  "error": "invalid_credentials"
}

{
  "error": {
    "code": "catalog_not_found",
    "message": "No current catalog named \"my-catalog\" found for this project."
  }
}

{
  "error": "invalid_request",
  "issues": []
}

{
  "error": "<string>",
  "message": "<string>",
  "issues": "<unknown>",
  "detail": "<string>"
}