Update application

Updates an application’s configuration and triggers a new deployment. Changes to runtime settings, environment variables, or scaling parameters will be applied on the next deployment.

PUT /applications/{applicationName}

Update application

cURL

curl --request PUT \
  --url https://api.blaxel.ai/v0/applications/{applicationName} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "metadata": {
    "name": "my-resource",
    "displayName": "My Resource",
    "externalId": "my-session-123",
    "labels": {}
  },
  "spec": {
    "enabled": true,
    "envs": [
      {
        "name": "MY_ENV_VAR",
        "secret": true,
        "value": "my-value"
      }
    ],
    "extensions": {},
    "image": "my-registry/my-app:latest",
    "memory": 2048,
    "port": 8080,
    "proxy": false,
    "region": "us-pdx-1",
    "revision": {
      "active": "<string>",
      "canary": "<string>",
      "canaryPercent": 10,
      "stickySessionTtl": 0,
      "traffic": 100
    },
    "revisions": [
      {
        "image": "<string>",
        "createdAt": "<string>",
        "createdBy": "<string>",
        "envs": [
          {
            "name": "MY_ENV_VAR",
            "secret": true,
            "value": "my-value"
          }
        ],
        "id": "<string>",
        "memory": 2048,
        "port": 8080,
        "snapshot": "<string>"
      }
    ],
    "urls": [
      {
        "domain": "app.example.com",
        "subdomain": "www"
      }
    ]
  },
  "nodeGeneration": "<string>"
}
'

import requests

url = "https://api.blaxel.ai/v0/applications/{applicationName}"

payload = {
    "metadata": {
        "name": "my-resource",
        "displayName": "My Resource",
        "externalId": "my-session-123",
        "labels": {}
    },
    "spec": {
        "enabled": True,
        "envs": [
            {
                "name": "MY_ENV_VAR",
                "secret": True,
                "value": "my-value"
            }
        ],
        "extensions": {},
        "image": "my-registry/my-app:latest",
        "memory": 2048,
        "port": 8080,
        "proxy": False,
        "region": "us-pdx-1",
        "revision": {
            "active": "<string>",
            "canary": "<string>",
            "canaryPercent": 10,
            "stickySessionTtl": 0,
            "traffic": 100
        },
        "revisions": [
            {
                "image": "<string>",
                "createdAt": "<string>",
                "createdBy": "<string>",
                "envs": [
                    {
                        "name": "MY_ENV_VAR",
                        "secret": True,
                        "value": "my-value"
                    }
                ],
                "id": "<string>",
                "memory": 2048,
                "port": 8080,
                "snapshot": "<string>"
            }
        ],
        "urls": [
            {
                "domain": "app.example.com",
                "subdomain": "www"
            }
        ]
    },
    "nodeGeneration": "<string>"
}
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({
    metadata: {
      name: 'my-resource',
      displayName: 'My Resource',
      externalId: 'my-session-123',
      labels: {}
    },
    spec: {
      enabled: true,
      envs: [{name: 'MY_ENV_VAR', secret: true, value: 'my-value'}],
      extensions: {},
      image: 'my-registry/my-app:latest',
      memory: 2048,
      port: 8080,
      proxy: false,
      region: 'us-pdx-1',
      revision: {
        active: '<string>',
        canary: '<string>',
        canaryPercent: 10,
        stickySessionTtl: 0,
        traffic: 100
      },
      revisions: [
        {
          image: '<string>',
          createdAt: '<string>',
          createdBy: '<string>',
          envs: [{name: 'MY_ENV_VAR', secret: true, value: 'my-value'}],
          id: '<string>',
          memory: 2048,
          port: 8080,
          snapshot: '<string>'
        }
      ],
      urls: [{domain: 'app.example.com', subdomain: 'www'}]
    },
    nodeGeneration: '<string>'
  })
};

fetch('https://api.blaxel.ai/v0/applications/{applicationName}', 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.blaxel.ai/v0/applications/{applicationName}",
  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([
    'metadata' => [
        'name' => 'my-resource',
        'displayName' => 'My Resource',
        'externalId' => 'my-session-123',
        'labels' => [
                
        ]
    ],
    'spec' => [
        'enabled' => true,
        'envs' => [
                [
                                'name' => 'MY_ENV_VAR',
                                'secret' => true,
                                'value' => 'my-value'
                ]
        ],
        'extensions' => [
                
        ],
        'image' => 'my-registry/my-app:latest',
        'memory' => 2048,
        'port' => 8080,
        'proxy' => false,
        'region' => 'us-pdx-1',
        'revision' => [
                'active' => '<string>',
                'canary' => '<string>',
                'canaryPercent' => 10,
                'stickySessionTtl' => 0,
                'traffic' => 100
        ],
        'revisions' => [
                [
                                'image' => '<string>',
                                'createdAt' => '<string>',
                                'createdBy' => '<string>',
                                'envs' => [
                                                                [
                                                                                                                                'name' => 'MY_ENV_VAR',
                                                                                                                                'secret' => true,
                                                                                                                                'value' => 'my-value'
                                                                ]
                                ],
                                'id' => '<string>',
                                'memory' => 2048,
                                'port' => 8080,
                                'snapshot' => '<string>'
                ]
        ],
        'urls' => [
                [
                                'domain' => 'app.example.com',
                                'subdomain' => 'www'
                ]
        ]
    ],
    'nodeGeneration' => '<string>'
  ]),
  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.blaxel.ai/v0/applications/{applicationName}"

	payload := strings.NewReader("{\n  \"metadata\": {\n    \"name\": \"my-resource\",\n    \"displayName\": \"My Resource\",\n    \"externalId\": \"my-session-123\",\n    \"labels\": {}\n  },\n  \"spec\": {\n    \"enabled\": true,\n    \"envs\": [\n      {\n        \"name\": \"MY_ENV_VAR\",\n        \"secret\": true,\n        \"value\": \"my-value\"\n      }\n    ],\n    \"extensions\": {},\n    \"image\": \"my-registry/my-app:latest\",\n    \"memory\": 2048,\n    \"port\": 8080,\n    \"proxy\": false,\n    \"region\": \"us-pdx-1\",\n    \"revision\": {\n      \"active\": \"<string>\",\n      \"canary\": \"<string>\",\n      \"canaryPercent\": 10,\n      \"stickySessionTtl\": 0,\n      \"traffic\": 100\n    },\n    \"revisions\": [\n      {\n        \"image\": \"<string>\",\n        \"createdAt\": \"<string>\",\n        \"createdBy\": \"<string>\",\n        \"envs\": [\n          {\n            \"name\": \"MY_ENV_VAR\",\n            \"secret\": true,\n            \"value\": \"my-value\"\n          }\n        ],\n        \"id\": \"<string>\",\n        \"memory\": 2048,\n        \"port\": 8080,\n        \"snapshot\": \"<string>\"\n      }\n    ],\n    \"urls\": [\n      {\n        \"domain\": \"app.example.com\",\n        \"subdomain\": \"www\"\n      }\n    ]\n  },\n  \"nodeGeneration\": \"<string>\"\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.blaxel.ai/v0/applications/{applicationName}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"metadata\": {\n    \"name\": \"my-resource\",\n    \"displayName\": \"My Resource\",\n    \"externalId\": \"my-session-123\",\n    \"labels\": {}\n  },\n  \"spec\": {\n    \"enabled\": true,\n    \"envs\": [\n      {\n        \"name\": \"MY_ENV_VAR\",\n        \"secret\": true,\n        \"value\": \"my-value\"\n      }\n    ],\n    \"extensions\": {},\n    \"image\": \"my-registry/my-app:latest\",\n    \"memory\": 2048,\n    \"port\": 8080,\n    \"proxy\": false,\n    \"region\": \"us-pdx-1\",\n    \"revision\": {\n      \"active\": \"<string>\",\n      \"canary\": \"<string>\",\n      \"canaryPercent\": 10,\n      \"stickySessionTtl\": 0,\n      \"traffic\": 100\n    },\n    \"revisions\": [\n      {\n        \"image\": \"<string>\",\n        \"createdAt\": \"<string>\",\n        \"createdBy\": \"<string>\",\n        \"envs\": [\n          {\n            \"name\": \"MY_ENV_VAR\",\n            \"secret\": true,\n            \"value\": \"my-value\"\n          }\n        ],\n        \"id\": \"<string>\",\n        \"memory\": 2048,\n        \"port\": 8080,\n        \"snapshot\": \"<string>\"\n      }\n    ],\n    \"urls\": [\n      {\n        \"domain\": \"app.example.com\",\n        \"subdomain\": \"www\"\n      }\n    ]\n  },\n  \"nodeGeneration\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.blaxel.ai/v0/applications/{applicationName}")

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  \"metadata\": {\n    \"name\": \"my-resource\",\n    \"displayName\": \"My Resource\",\n    \"externalId\": \"my-session-123\",\n    \"labels\": {}\n  },\n  \"spec\": {\n    \"enabled\": true,\n    \"envs\": [\n      {\n        \"name\": \"MY_ENV_VAR\",\n        \"secret\": true,\n        \"value\": \"my-value\"\n      }\n    ],\n    \"extensions\": {},\n    \"image\": \"my-registry/my-app:latest\",\n    \"memory\": 2048,\n    \"port\": 8080,\n    \"proxy\": false,\n    \"region\": \"us-pdx-1\",\n    \"revision\": {\n      \"active\": \"<string>\",\n      \"canary\": \"<string>\",\n      \"canaryPercent\": 10,\n      \"stickySessionTtl\": 0,\n      \"traffic\": 100\n    },\n    \"revisions\": [\n      {\n        \"image\": \"<string>\",\n        \"createdAt\": \"<string>\",\n        \"createdBy\": \"<string>\",\n        \"envs\": [\n          {\n            \"name\": \"MY_ENV_VAR\",\n            \"secret\": true,\n            \"value\": \"my-value\"\n          }\n        ],\n        \"id\": \"<string>\",\n        \"memory\": 2048,\n        \"port\": 8080,\n        \"snapshot\": \"<string>\"\n      }\n    ],\n    \"urls\": [\n      {\n        \"domain\": \"app.example.com\",\n        \"subdomain\": \"www\"\n      }\n    ]\n  },\n  \"nodeGeneration\": \"<string>\"\n}"

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

200

{
  "metadata": {
    "name": "my-resource",
    "createdAt": "<string>",
    "updatedAt": "<string>",
    "createdBy": "<string>",
    "updatedBy": "<string>",
    "displayName": "My Resource",
    "externalId": "my-session-123",
    "labels": {},
    "plan": "<string>",
    "url": "<string>",
    "workspace": "<string>"
  },
  "spec": {
    "enabled": true,
    "envs": [
      {
        "name": "MY_ENV_VAR",
        "secret": true,
        "value": "my-value"
      }
    ],
    "extensions": {},
    "image": "my-registry/my-app:latest",
    "memory": 2048,
    "port": 8080,
    "proxy": false,
    "region": "us-pdx-1",
    "revision": {
      "active": "<string>",
      "canary": "<string>",
      "canaryPercent": 10,
      "stickySessionTtl": 0,
      "traffic": 100
    },
    "revisions": [
      {
        "image": "<string>",
        "createdAt": "<string>",
        "createdBy": "<string>",
        "envs": [
          {
            "name": "MY_ENV_VAR",
            "secret": true,
            "value": "my-value"
          }
        ],
        "id": "<string>",
        "memory": 2048,
        "port": 8080,
        "snapshot": "<string>"
      }
    ],
    "urls": [
      {
        "domain": "app.example.com",
        "subdomain": "www"
      }
    ]
  },
  "events": [
    {
      "canaryRevision": "<string>",
      "message": "Deployment successful",
      "revision": "rev-abc123",
      "status": "DEPLOYED",
      "time": "2025-01-15T10:30:00Z",
      "type": "deployment"
    }
  ],
  "nodeGeneration": "<string>",
  "status": "<string>"
}

{
  "error": "Resource already exists",
  "code": 409,
  "message": "Invalid request body"
}

{
  "error": "Resource already exists",
  "code": 409,
  "message": "Invalid request body"
}

{
  "error": "Resource already exists",
  "code": 409,
  "message": "Invalid request body"
}

{
  "error": "Resource already exists",
  "code": 409,
  "message": "Invalid request body"
}

{
  "error": "Resource already exists",
  "code": 409,
  "message": "Invalid request body"
}

Authorizations

OAuth2ApiKeyAuth

Authorization · string · header · required

OAuth2 authentication with JWT tokens

Path Parameters

applicationName · string · required

Unique name identifier of the application

Body

application/json

Long-running application deployment that runs your custom code as a publicly accessible endpoint. Applications are always public and use mk3 generation.

metadata · object · required

Common metadata fields shared by all Blaxel resources including name, labels, timestamps, and ownership information

Show child attributes

spec · object · required

Configuration for an application including revision management, URL routing, and deployment region

Show child attributes

nodeGeneration · string

Infrastructure generation this application is deployed on (mk3.0 or mk3.1). Read-only.

Response

200

application/json

successful operation

Long-running application deployment that runs your custom code as a publicly accessible endpoint. Applications are always public and use mk3 generation.

metadata · object · required

Common metadata fields shared by all Blaxel resources including name, labels, timestamps, and ownership information

Show child attributes

spec · object · required

Configuration for an application including revision management, URL routing, and deployment region

Show child attributes

events · object[] · read-only

Events happening on a resource deployed on Blaxel

Show child attributes

nodeGeneration · string

Infrastructure generation this application is deployed on (mk3.0 or mk3.1). Read-only.

status · string · read-only

Application status computed from events