curl --request POST \
  --url https://flowker.sandbox.lerian.net/v1/workflows/{workflowId}/executions \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "inputData": {
    "transactionId": "txn-98765",
    "amount": 1500,
    "currency": "BRL",
    "customerId": "cust-12345",
    "message": "Payment received"
  }
}
'

import requests

url = "https://flowker.sandbox.lerian.net/v1/workflows/{workflowId}/executions"

payload = { "inputData": {
        "transactionId": "txn-98765",
        "amount": 1500,
        "currency": "BRL",
        "customerId": "cust-12345",
        "message": "Payment received"
    } }
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "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: {
    'Idempotency-Key': '<idempotency-key>',
    'X-API-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    inputData: {
      transactionId: 'txn-98765',
      amount: 1500,
      currency: 'BRL',
      customerId: 'cust-12345',
      message: 'Payment received'
    }
  })
};

fetch('https://flowker.sandbox.lerian.net/v1/workflows/{workflowId}/executions', 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/{workflowId}/executions",
  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([
    'inputData' => [
        'transactionId' => 'txn-98765',
        'amount' => 1500,
        'currency' => 'BRL',
        'customerId' => 'cust-12345',
        'message' => 'Payment received'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>",
    "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/{workflowId}/executions"

	payload := strings.NewReader("{\n  \"inputData\": {\n    \"transactionId\": \"txn-98765\",\n    \"amount\": 1500,\n    \"currency\": \"BRL\",\n    \"customerId\": \"cust-12345\",\n    \"message\": \"Payment received\"\n  }\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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/{workflowId}/executions")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"inputData\": {\n    \"transactionId\": \"txn-98765\",\n    \"amount\": 1500,\n    \"currency\": \"BRL\",\n    \"customerId\": \"cust-12345\",\n    \"message\": \"Payment received\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

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

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"inputData\": {\n    \"transactionId\": \"txn-98765\",\n    \"amount\": 1500,\n    \"currency\": \"BRL\",\n    \"customerId\": \"cust-12345\",\n    \"message\": \"Payment received\"\n  }\n}"

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

{
  "executionId": "f7e6d5c4-b3a2-1098-7654-321fedcba098",
  "startedAt": "2026-03-17T14:35:00Z",
  "status": "running",
  "workflowId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}

{
  "executionId": "f7e6d5c4-b3a2-1098-7654-321fedcba098",
  "startedAt": "2026-03-17T14:35:00Z",
  "status": "running",
  "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"
}

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

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