Get a long-running operation

GET

operations

{operationId}

curl --request GET \
  --url https://api.mint.gg/v1/operations/{operationId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.mint.gg/v1/operations/{operationId}', 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.mint.gg/v1/operations/{operationId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.mint.gg/v1/operations/{operationId}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.mint.gg/v1/operations/{operationId}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "world_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "world",
    "id": "world_01JEXAMPLE"
  },
  "createdAt": "2026-07-21T20:00:00.000Z",
  "updatedAt": "2026-07-21T20:00:01.000Z"
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

Authorizations

Authorization

string

header

required

Mint API key sent as a Bearer token.

Path Parameters

operationId

string

required

Response

Long-running generation, optimization, or conversion operation.

object

string

required

Stable object discriminator for an asynchronous operation.

Allowed value: "operation"

string

required

Mint operation ID used for polling and lifecycle calls.

type

enum<string>

required

The work this operation performs.

Available options:

world_generation,

model_generation,

asset_pack_generation,

material_generation,

material_pack_generation,

image_generation,

image_edit,

audio_generation,

reference_image_upload,

generation_retry,

generation_transition,

model_optimization,

model_retopology,

model_animation,

asset_pack_regeneration,

model_conversion

generationMode

enum<string>

required

Generation workflow mode. auto continues to the asset; review pauses at preview_ready. See Preview-based generation.

Available options:

auto,

review

status

enum<string>

required

Current operation lifecycle status.

Available options:

queued,

running,

preview_ready,

billing_required,

succeeded,

partially_succeeded,

failed,

canceled

resource

object | null

required

The Mint asset created or changed by this operation, or null before an asset exists.

Show child attributes

createdAt

string<date-time>

required

When the operation was created.

updatedAt

string<date-time>

required

When the operation last changed.

prompt

string

Original developer-visible prompt or revision feedback, when this operation has one.

generationPreset

enum<string>

Mint generation tier selected for this operation, when applicable.

Available options:

fast,

standard,

production

optimizationLevel

enum<string>

Optimization intensity for model_optimization operations.

Available options:

light,

moderate,

aggressive

assets

object

Generation asset URLs when available.

Option 1
Option 2

Show child attributes

billing

object

The billing action required before this operation can continue.

Show child attributes

credits

object

Credit estimate, active reservation, finalized charge, and post-reservation balance for this operation.

Show child attributes

conversion

object

Model conversion result when this is a model_conversion operation.

Show child attributes

error

object

Terminal failure details when the operation failed.

Show child attributes

completedAt

string<date-time>

When the operation completed.

canceledAt

string<date-time>

When the operation was canceled.

Approve a preview-ready generation operationApprove a preview-ready generation operation.

Get a long-running operation

curl --request GET \
  --url https://api.mint.gg/v1/operations/{operationId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.mint.gg/v1/operations/{operationId}', 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.mint.gg/v1/operations/{operationId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.mint.gg/v1/operations/{operationId}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.mint.gg/v1/operations/{operationId}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "world_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "world",
    "id": "world_01JEXAMPLE"
  },
  "createdAt": "2026-07-21T20:00:00.000Z",
  "updatedAt": "2026-07-21T20:00:01.000Z"
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "errors": [
    {
      "path": "<string>",
      "message": "<string>"
    }
  ],
  "operationId": "<string>",
  "billing": {
    "requiredCredits": 1,
    "actionUrl": "<string>",
    "availableCredits": 1,
    "committedCredits": 1,
    "stageCredits": 1,
    "completionCredits": 1
  }
}

Get Started

API References

API Guides

MCP

Agent Tooling

Get a long-running operation

Authorizations

Path Parameters

Response