curl --request POST \
  --url https://flowker.sandbox.lerian.net/v1/workflows \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "name": "Payment Notification Flow",
  "description": "Receives a webhook trigger and logs the payment event.",
  "nodes": [
    {
      "id": "trigger-1",
      "type": "trigger",
      "name": "Webhook Trigger",
      "position": {
        "x": 0,
        "y": 0
      },
      "data": {
        "triggerId": "webhook"
      }
    },
    {
      "id": "log-event",
      "type": "action",
      "name": "Log Payment Event",
      "position": {
        "x": 200,
        "y": 0
      },
      "data": {
        "action": "log"
      }
    }
  ],
  "edges": [
    {
      "id": "e1",
      "source": "trigger-1",
      "target": "log-event"
    }
  ],
  "metadata": {
    "team": "payments",
    "environment": "sandbox"
  }
}
'

import requests

url = "https://flowker.sandbox.lerian.net/v1/workflows"

payload = {
    "name": "Payment Notification Flow",
    "description": "Receives a webhook trigger and logs the payment event.",
    "nodes": [
        {
            "id": "trigger-1",
            "type": "trigger",
            "name": "Webhook Trigger",
            "position": {
                "x": 0,
                "y": 0
            },
            "data": { "triggerId": "webhook" }
        },
        {
            "id": "log-event",
            "type": "action",
            "name": "Log Payment Event",
            "position": {
                "x": 200,
                "y": 0
            },
            "data": { "action": "log" }
        }
    ],
    "edges": [
        {
            "id": "e1",
            "source": "trigger-1",
            "target": "log-event"
        }
    ],
    "metadata": {
        "team": "payments",
        "environment": "sandbox"
    }
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Payment Notification Flow',
    description: 'Receives a webhook trigger and logs the payment event.',
    nodes: [
      {
        id: 'trigger-1',
        type: 'trigger',
        name: 'Webhook Trigger',
        position: {x: 0, y: 0},
        data: {triggerId: 'webhook'}
      },
      {
        id: 'log-event',
        type: 'action',
        name: 'Log Payment Event',
        position: {x: 200, y: 0},
        data: {action: 'log'}
      }
    ],
    edges: [{id: 'e1', source: 'trigger-1', target: 'log-event'}],
    metadata: {team: 'payments', environment: 'sandbox'}
  })
};

fetch('https://flowker.sandbox.lerian.net/v1/workflows', 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://flowker.sandbox.lerian.net/v1/workflows",
  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([
    'name' => 'Payment Notification Flow',
    'description' => 'Receives a webhook trigger and logs the payment event.',
    'nodes' => [
        [
                'id' => 'trigger-1',
                'type' => 'trigger',
                'name' => 'Webhook Trigger',
                'position' => [
                                'x' => 0,
                                'y' => 0
                ],
                'data' => [
                                'triggerId' => 'webhook'
                ]
        ],
        [
                'id' => 'log-event',
                'type' => 'action',
                'name' => 'Log Payment Event',
                'position' => [
                                'x' => 200,
                                'y' => 0
                ],
                'data' => [
                                'action' => 'log'
                ]
        ]
    ],
    'edges' => [
        [
                'id' => 'e1',
                'source' => 'trigger-1',
                'target' => 'log-event'
        ]
    ],
    'metadata' => [
        'team' => 'payments',
        'environment' => 'sandbox'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "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;
}

package main

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

func main() {

	url := "https://flowker.sandbox.lerian.net/v1/workflows"

	payload := strings.NewReader("{\n  \"name\": \"Payment Notification Flow\",\n  \"description\": \"Receives a webhook trigger and logs the payment event.\",\n  \"nodes\": [\n    {\n      \"id\": \"trigger-1\",\n      \"type\": \"trigger\",\n      \"name\": \"Webhook Trigger\",\n      \"position\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"data\": {\n        \"triggerId\": \"webhook\"\n      }\n    },\n    {\n      \"id\": \"log-event\",\n      \"type\": \"action\",\n      \"name\": \"Log Payment Event\",\n      \"position\": {\n        \"x\": 200,\n        \"y\": 0\n      },\n      \"data\": {\n        \"action\": \"log\"\n      }\n    }\n  ],\n  \"edges\": [\n    {\n      \"id\": \"e1\",\n      \"source\": \"trigger-1\",\n      \"target\": \"log-event\"\n    }\n  ],\n  \"metadata\": {\n    \"team\": \"payments\",\n    \"environment\": \"sandbox\"\n  }\n}")

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

	req.Header.Add("X-API-Key", "<api-key>")
	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://flowker.sandbox.lerian.net/v1/workflows")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Payment Notification Flow\",\n  \"description\": \"Receives a webhook trigger and logs the payment event.\",\n  \"nodes\": [\n    {\n      \"id\": \"trigger-1\",\n      \"type\": \"trigger\",\n      \"name\": \"Webhook Trigger\",\n      \"position\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"data\": {\n        \"triggerId\": \"webhook\"\n      }\n    },\n    {\n      \"id\": \"log-event\",\n      \"type\": \"action\",\n      \"name\": \"Log Payment Event\",\n      \"position\": {\n        \"x\": 200,\n        \"y\": 0\n      },\n      \"data\": {\n        \"action\": \"log\"\n      }\n    }\n  ],\n  \"edges\": [\n    {\n      \"id\": \"e1\",\n      \"source\": \"trigger-1\",\n      \"target\": \"log-event\"\n    }\n  ],\n  \"metadata\": {\n    \"team\": \"payments\",\n    \"environment\": \"sandbox\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://flowker.sandbox.lerian.net/v1/workflows")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Payment Notification Flow\",\n  \"description\": \"Receives a webhook trigger and logs the payment event.\",\n  \"nodes\": [\n    {\n      \"id\": \"trigger-1\",\n      \"type\": \"trigger\",\n      \"name\": \"Webhook Trigger\",\n      \"position\": {\n        \"x\": 0,\n        \"y\": 0\n      },\n      \"data\": {\n        \"triggerId\": \"webhook\"\n      }\n    },\n    {\n      \"id\": \"log-event\",\n      \"type\": \"action\",\n      \"name\": \"Log Payment Event\",\n      \"position\": {\n        \"x\": 200,\n        \"y\": 0\n      },\n      \"data\": {\n        \"action\": \"log\"\n      }\n    }\n  ],\n  \"edges\": [\n    {\n      \"id\": \"e1\",\n      \"source\": \"trigger-1\",\n      \"target\": \"log-event\"\n    }\n  ],\n  \"metadata\": {\n    \"team\": \"payments\",\n    \"environment\": \"sandbox\"\n  }\n}"

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

{
  "createdAt": "2026-03-17T14:30:00Z",
  "status": "draft",
  "version": "1.0.0",
  "workflowId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}

{
  "code": "FLK-0001",
  "message": "Invalid input provided",
  "title": "Bad Request"
}

{
  "code": "FLK-0001",
  "message": "Invalid input provided",
  "title": "Bad Request"
}

{
  "code": "FLK-0001",
  "message": "Invalid input provided",
  "title": "Bad Request"
}