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PUT
/
workflows
/
{workflowID}
/
versions
/
{versionID}
Create or update workflow version
curl --request PUT \
  --url https://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "version_id": "v2",
  "definition": {
    "version": "v2",
    "steps": [
      {
        "step_id": "generate_text",
        "type": "model",
        "model": "openai-chatgpt-5",
        "params": {
          "system_prompt": "You are a helpful assistant",
          "user_prompt": "{{inputs.prompt}}"
        }
      },
      {
        "step_id": "generate_image",
        "type": "model",
        "model": "flux-dev",
        "params": {
          "prompt": "{{generate_text.output}}",
          "num_images": 2
        },
        "fallback": {
          "enabled": true,
          "model": "flux-1-1-pro",
          "params": {
            "prompt": "{{generate_text.output}}",
            "guidance_scale": 7.5
          }
        }
      }
    ],
    "input_schema": {},
    "metadata": {}
  },
  "locked": false,
  "production": false,
  "allowed_to_share": false
}
'
import requests

url = "https://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}"

payload = {
    "version_id": "v2",
    "definition": {
        "version": "v2",
        "steps": [
            {
                "step_id": "generate_text",
                "type": "model",
                "model": "openai-chatgpt-5",
                "params": {
                    "system_prompt": "You are a helpful assistant",
                    "user_prompt": "{{inputs.prompt}}"
                }
            },
            {
                "step_id": "generate_image",
                "type": "model",
                "model": "flux-dev",
                "params": {
                    "prompt": "{{generate_text.output}}",
                    "num_images": 2
                },
                "fallback": {
                    "enabled": True,
                    "model": "flux-1-1-pro",
                    "params": {
                        "prompt": "{{generate_text.output}}",
                        "guidance_scale": 7.5
                    }
                }
            }
        ],
        "input_schema": {},
        "metadata": {}
    },
    "locked": False,
    "production": False,
    "allowed_to_share": False
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)
const options = {
  method: 'PUT',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    version_id: 'v2',
    definition: {
      version: 'v2',
      steps: [
        {
          step_id: 'generate_text',
          type: 'model',
          model: 'openai-chatgpt-5',
          params: {system_prompt: 'You are a helpful assistant', user_prompt: '{{inputs.prompt}}'}
        },
        {
          step_id: 'generate_image',
          type: 'model',
          model: 'flux-dev',
          params: {prompt: '{{generate_text.output}}', num_images: 2},
          fallback: {
            enabled: true,
            model: 'flux-1-1-pro',
            params: {prompt: '{{generate_text.output}}', guidance_scale: 7.5}
          }
        }
      ],
      input_schema: {},
      metadata: {}
    },
    locked: false,
    production: false,
    allowed_to_share: false
  })
};

fetch('https://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}', 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://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}",
  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([
    'version_id' => 'v2',
    'definition' => [
        'version' => 'v2',
        'steps' => [
                [
                                'step_id' => 'generate_text',
                                'type' => 'model',
                                'model' => 'openai-chatgpt-5',
                                'params' => [
                                                                'system_prompt' => 'You are a helpful assistant',
                                                                'user_prompt' => '{{inputs.prompt}}'
                                ]
                ],
                [
                                'step_id' => 'generate_image',
                                'type' => 'model',
                                'model' => 'flux-dev',
                                'params' => [
                                                                'prompt' => '{{generate_text.output}}',
                                                                'num_images' => 2
                                ],
                                'fallback' => [
                                                                'enabled' => true,
                                                                'model' => 'flux-1-1-pro',
                                                                'params' => [
                                                                                                                                'prompt' => '{{generate_text.output}}',
                                                                                                                                'guidance_scale' => 7.5
                                                                ]
                                ]
                ]
        ],
        'input_schema' => [
                
        ],
        'metadata' => [
                
        ]
    ],
    'locked' => false,
    'production' => false,
    'allowed_to_share' => false
  ]),
  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://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}"

	payload := strings.NewReader("{\n  \"version_id\": \"v2\",\n  \"definition\": {\n    \"version\": \"v2\",\n    \"steps\": [\n      {\n        \"step_id\": \"generate_text\",\n        \"type\": \"model\",\n        \"model\": \"openai-chatgpt-5\",\n        \"params\": {\n          \"system_prompt\": \"You are a helpful assistant\",\n          \"user_prompt\": \"{{inputs.prompt}}\"\n        }\n      },\n      {\n        \"step_id\": \"generate_image\",\n        \"type\": \"model\",\n        \"model\": \"flux-dev\",\n        \"params\": {\n          \"prompt\": \"{{generate_text.output}}\",\n          \"num_images\": 2\n        },\n        \"fallback\": {\n          \"enabled\": true,\n          \"model\": \"flux-1-1-pro\",\n          \"params\": {\n            \"prompt\": \"{{generate_text.output}}\",\n            \"guidance_scale\": 7.5\n          }\n        }\n      }\n    ],\n    \"input_schema\": {},\n    \"metadata\": {}\n  },\n  \"locked\": false,\n  \"production\": false,\n  \"allowed_to_share\": false\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"version_id\": \"v2\",\n  \"definition\": {\n    \"version\": \"v2\",\n    \"steps\": [\n      {\n        \"step_id\": \"generate_text\",\n        \"type\": \"model\",\n        \"model\": \"openai-chatgpt-5\",\n        \"params\": {\n          \"system_prompt\": \"You are a helpful assistant\",\n          \"user_prompt\": \"{{inputs.prompt}}\"\n        }\n      },\n      {\n        \"step_id\": \"generate_image\",\n        \"type\": \"model\",\n        \"model\": \"flux-dev\",\n        \"params\": {\n          \"prompt\": \"{{generate_text.output}}\",\n          \"num_images\": 2\n        },\n        \"fallback\": {\n          \"enabled\": true,\n          \"model\": \"flux-1-1-pro\",\n          \"params\": {\n            \"prompt\": \"{{generate_text.output}}\",\n            \"guidance_scale\": 7.5\n          }\n        }\n      }\n    ],\n    \"input_schema\": {},\n    \"metadata\": {}\n  },\n  \"locked\": false,\n  \"production\": false,\n  \"allowed_to_share\": false\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://workflows.eachlabs.run/api/v1/workflows/{workflowID}/versions/{versionID}")

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

request = Net::HTTP::Put.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"version_id\": \"v2\",\n  \"definition\": {\n    \"version\": \"v2\",\n    \"steps\": [\n      {\n        \"step_id\": \"generate_text\",\n        \"type\": \"model\",\n        \"model\": \"openai-chatgpt-5\",\n        \"params\": {\n          \"system_prompt\": \"You are a helpful assistant\",\n          \"user_prompt\": \"{{inputs.prompt}}\"\n        }\n      },\n      {\n        \"step_id\": \"generate_image\",\n        \"type\": \"model\",\n        \"model\": \"flux-dev\",\n        \"params\": {\n          \"prompt\": \"{{generate_text.output}}\",\n          \"num_images\": 2\n        },\n        \"fallback\": {\n          \"enabled\": true,\n          \"model\": \"flux-1-1-pro\",\n          \"params\": {\n            \"prompt\": \"{{generate_text.output}}\",\n            \"guidance_scale\": 7.5\n          }\n        }\n      }\n    ],\n    \"input_schema\": {},\n    \"metadata\": {}\n  },\n  \"locked\": false,\n  \"production\": false,\n  \"allowed_to_share\": false\n}"

response = http.request(request)
puts response.read_body
{
  "version_id": "v1",
  "slug": "text-to-image-generator",
  "locked": false,
  "production": true,
  "allowed_to_share": false,
  "trigger_count": 15,
  "created_at": "2025-12-01T10:00:00Z",
  "updated_at": "2025-12-05T14:20:00Z",
  "status": "active",
  "definition": {}
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}

Authorizations

​
X-API-Key
string
header
required

API key for authentication

Path Parameters

​
workflowID
string
required

Unique workflow identifier

Example:

"wf_abc123"

​
versionID
string
required

Version identifier (e.g., "v1", "v2")

Example:

"v1"

Body

application/json
​
version_id
string
required

Version identifier (e.g., "v1", "v2", "v1.1")

Example:

"v2"

​
definition
object
required

The complete workflow definition for this version. This follows the workflow DSL format and must include all steps.

​
locked
boolean
default:false

Whether to lock this version from further modifications

​
production
boolean
default:false

Whether this is a production version

​
allowed_to_share
boolean
default:false

Toggle unlisted sharing for this version.

  • true → Makes version "unlisted" (accessible via link, hidden from public listings)
  • false → Makes version "private" (organization only)
  • No effect on public versions
  • New versions default to private when omitted

Response

Workflow version created or updated successfully

Summary information about a workflow version

​
version_id
string
required

Version identifier

Example:

"v1"

​
slug
string
required

Workflow slug (inherited from parent workflow)

Example:

"text-to-image-generator"

​
locked
boolean

Whether this version is locked from modifications

Example:

false

​
production
boolean

Whether this is a production version

Example:

true

​
allowed_to_share
boolean

True if version is unlisted (accessible via direct link but hidden from public listings).

Example:

false

​
trigger_count
integer

Number of times this specific version has been triggered

Example:

15

​
created_at
string<date-time>

RFC3339 timestamp when version was created

Example:

"2025-12-01T10:00:00Z"

​
updated_at
string<date-time>

RFC3339 timestamp when version was last updated

Example:

"2025-12-05T14:20:00Z"

​
status
enum<string>

Version lifecycle status

Available options:
active,
archived,
deleted
Example:

"active"

​
definition
object

The complete workflow definition (only included in detail responses). Contains steps, input schema, and metadata.

Last modified on May 28, 2026