Start a material-pack generation operation

POST

material-packs:generate

curl --request POST \
  --url https://api.mint.gg/v1/material-packs:generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "items": [
    {
      "label": "<string>",
      "prompt": "<string>"
    }
  ],
  "name": "<string>",
  "generationPreset": "standard",
  "imageUrl": "<string>",
  "mode": "generate",
  "itemCount": 13,
  "styleGuide": "<string>"
}
'

import requests

url = "https://api.mint.gg/v1/material-packs:generate"

payload = {
    "prompt": "<string>",
    "items": [
        {
            "label": "<string>",
            "prompt": "<string>"
        }
    ],
    "name": "<string>",
    "generationPreset": "standard",
    "imageUrl": "<string>",
    "mode": "generate",
    "itemCount": 13,
    "styleGuide": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    prompt: '<string>',
    items: [{label: '<string>', prompt: '<string>'}],
    name: '<string>',
    generationPreset: 'standard',
    imageUrl: '<string>',
    mode: 'generate',
    itemCount: 13,
    styleGuide: '<string>'
  })
};

fetch('https://api.mint.gg/v1/material-packs:generate', 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/material-packs:generate",
  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([
    'prompt' => '<string>',
    'items' => [
        [
                'label' => '<string>',
                'prompt' => '<string>'
        ]
    ],
    'name' => '<string>',
    'generationPreset' => 'standard',
    'imageUrl' => '<string>',
    'mode' => 'generate',
    'itemCount' => 13,
    'styleGuide' => '<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.mint.gg/v1/material-packs:generate"

	payload := strings.NewReader("{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.mint.gg/v1/material-packs:generate")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mint.gg/v1/material-packs:generate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}"

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

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "material_pack_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "material_pack",
    "id": "material_pack_01JEXAMPLE"
  },
  "createdAt": "2026-07-21T20:00:00.000Z",
  "updatedAt": "2026-07-21T20:00:01.000Z"
}

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "material_pack_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "material_pack",
    "id": "material_pack_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
  }
}

{
  "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
  }
}

{
  "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.

Headers

Idempotency-Key

string

Optional stable key for safely retrying an uncertain mutating request. Mint creates an internal key when this header is omitted. Reusing a supplied key with different parameters returns 409.

Required string length: 1 - 255

Body

application/json

Instructions for creating a coordinated Material Pack.

prompt

string

required

Describe the shared purpose of the Material Pack.

Required string length: 1 - 8000

items

object[]

required

The individual Materials Mint should create.

Required array length: 2 - 25 elements

Show child attributes

name

string

Optional Material Pack title shown in Mint; Mint derives one when omitted.

Required string length: 1 - 120

generationPreset

enum<string>

default:standard

Quality, speed, and cost tier applied across the pack.

Available options:

fast,

standard,

production

imageUrl

string<uri>

Optional public HTTPS image shared as source context.

mode

enum<string>

default:generate

How Mint should create or derive the Material maps.

Available options:

generate,

image_to_maps,

extract

itemCount

integer

Number of requested Materials; when supplied, it must equal the items array length.

Required range: 2 <= x <= 25

styleGuide

string

Optional visual rules shared by every Material in the pack.

Required string length: 1 - 4000

Response

An earlier request with the same retry key returned this operation.

A long-running operation acting on one Mint material_pack.

object

string

required

Stable object discriminator.

Allowed value: "operation"

string

required

Mint operation ID used for polling.

type

enum<string>

required

The work this operation performs.

Available options:

material_pack_generation

generationMode

enum<string>

required

Workflow mode for this operation.

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 by this operation, or null before the 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

Developer-supplied generation brief or revision feedback.

generationPreset

enum<string>

Public generation preset selected for this operation.

Available options:

fast,

standard,

production

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

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.

Get an imageGet an image.

Start a material-pack generation operation

curl --request POST \
  --url https://api.mint.gg/v1/material-packs:generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "items": [
    {
      "label": "<string>",
      "prompt": "<string>"
    }
  ],
  "name": "<string>",
  "generationPreset": "standard",
  "imageUrl": "<string>",
  "mode": "generate",
  "itemCount": 13,
  "styleGuide": "<string>"
}
'

import requests

url = "https://api.mint.gg/v1/material-packs:generate"

payload = {
    "prompt": "<string>",
    "items": [
        {
            "label": "<string>",
            "prompt": "<string>"
        }
    ],
    "name": "<string>",
    "generationPreset": "standard",
    "imageUrl": "<string>",
    "mode": "generate",
    "itemCount": 13,
    "styleGuide": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    prompt: '<string>',
    items: [{label: '<string>', prompt: '<string>'}],
    name: '<string>',
    generationPreset: 'standard',
    imageUrl: '<string>',
    mode: 'generate',
    itemCount: 13,
    styleGuide: '<string>'
  })
};

fetch('https://api.mint.gg/v1/material-packs:generate', 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/material-packs:generate",
  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([
    'prompt' => '<string>',
    'items' => [
        [
                'label' => '<string>',
                'prompt' => '<string>'
        ]
    ],
    'name' => '<string>',
    'generationPreset' => 'standard',
    'imageUrl' => '<string>',
    'mode' => 'generate',
    'itemCount' => 13,
    'styleGuide' => '<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.mint.gg/v1/material-packs:generate"

	payload := strings.NewReader("{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.mint.gg/v1/material-packs:generate")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mint.gg/v1/material-packs:generate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"prompt\": \"<string>\",\n  \"items\": [\n    {\n      \"label\": \"<string>\",\n      \"prompt\": \"<string>\"\n    }\n  ],\n  \"name\": \"<string>\",\n  \"generationPreset\": \"standard\",\n  \"imageUrl\": \"<string>\",\n  \"mode\": \"generate\",\n  \"itemCount\": 13,\n  \"styleGuide\": \"<string>\"\n}"

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

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "material_pack_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "material_pack",
    "id": "material_pack_01JEXAMPLE"
  },
  "createdAt": "2026-07-21T20:00:00.000Z",
  "updatedAt": "2026-07-21T20:00:01.000Z"
}

{
  "object": "operation",
  "id": "op_01JEXAMPLE",
  "type": "material_pack_generation",
  "generationMode": "auto",
  "status": "running",
  "resource": {
    "type": "material_pack",
    "id": "material_pack_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
  }
}

{
  "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
  }
}

{
  "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

Start a material-pack generation operation

Authorizations

Headers

Body

Response