curl --request POST \
--url https://api.bitstudio.ai/images/{id}/upscale \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"upscale_factor": 2,
"denoise": 0.2
}
'import requests
url = "https://api.bitstudio.ai/images/{id}/upscale"
payload = {
"upscale_factor": 2,
"denoise": 0.2
}
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({upscale_factor: 2, denoise: 0.2})
};
fetch('https://api.bitstudio.ai/images/{id}/upscale', 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.bitstudio.ai/images/{id}/upscale",
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([
'upscale_factor' => 2,
'denoise' => 0.2
]),
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.bitstudio.ai/images/{id}/upscale"
payload := strings.NewReader("{\n \"upscale_factor\": 2,\n \"denoise\": 0.2\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.bitstudio.ai/images/{id}/upscale")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"upscale_factor\": 2,\n \"denoise\": 0.2\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.bitstudio.ai/images/{id}/upscale")
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 \"upscale_factor\": 2,\n \"denoise\": 0.2\n}"
response = http.request(request)
puts response.read_body{
"id": "11111111-1111-4111-8111-111111111111",
"status": "completed",
"path": "https://media.bitstudio.ai/public/homepage/2026-09/bitstudio-shirt-reference-front-v1-77caf2ea41d661e4.webp",
"width_px": 900,
"height_px": 1125,
"is_generated": false,
"created_timestamp": "2026-09-06T12:00:00Z",
"versions": [
{
"id": "22222222-2222-4222-8222-222222222222",
"image_id": "11111111-1111-4111-8111-111111111111",
"source_image_id": "33333333-3333-4333-8333-333333333333",
"version_type": "upscaled",
"status": "pending",
"path": ""
}
]
}{
"error": "<string>",
"code": "<string>",
"message": "<string>",
"cta": true,
"next_action": "<string>",
"current_plan": "<string>",
"user_message": "<string>",
"extra_context": "<string>"
}Upscale an image
Returns the parent image with a new version. The original may already be completed. Track the new version id and poll its source_image_id for the operation’s result.
curl --request POST \
--url https://api.bitstudio.ai/images/{id}/upscale \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"upscale_factor": 2,
"denoise": 0.2
}
'import requests
url = "https://api.bitstudio.ai/images/{id}/upscale"
payload = {
"upscale_factor": 2,
"denoise": 0.2
}
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({upscale_factor: 2, denoise: 0.2})
};
fetch('https://api.bitstudio.ai/images/{id}/upscale', 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.bitstudio.ai/images/{id}/upscale",
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([
'upscale_factor' => 2,
'denoise' => 0.2
]),
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.bitstudio.ai/images/{id}/upscale"
payload := strings.NewReader("{\n \"upscale_factor\": 2,\n \"denoise\": 0.2\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.bitstudio.ai/images/{id}/upscale")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"upscale_factor\": 2,\n \"denoise\": 0.2\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.bitstudio.ai/images/{id}/upscale")
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 \"upscale_factor\": 2,\n \"denoise\": 0.2\n}"
response = http.request(request)
puts response.read_body{
"id": "11111111-1111-4111-8111-111111111111",
"status": "completed",
"path": "https://media.bitstudio.ai/public/homepage/2026-09/bitstudio-shirt-reference-front-v1-77caf2ea41d661e4.webp",
"width_px": 900,
"height_px": 1125,
"is_generated": false,
"created_timestamp": "2026-09-06T12:00:00Z",
"versions": [
{
"id": "22222222-2222-4222-8222-222222222222",
"image_id": "11111111-1111-4111-8111-111111111111",
"source_image_id": "33333333-3333-4333-8333-333333333333",
"version_type": "upscaled",
"status": "pending",
"path": ""
}
]
}{
"error": "<string>",
"code": "<string>",
"message": "<string>",
"cta": true,
"next_action": "<string>",
"current_plan": "<string>",
"user_message": "<string>",
"extra_context": "<string>"
}Authorizations
Create an API key in Studio → account menu → API Keys. Keep it on your server.
Path Parameters
Image or asset ID from a previous response. Resource ID.
Body
Upscale option. 4 selects the 4K workflow; do not assume it literally multiplies both dimensions by four.
1, 2, 4 2
Optional version of this image to use as the source. Omit to use the original image.
Detail-change strength.
0 <= x <= 10.2
Response
Returns the parent image with a new version. The original may already be completed. Track the new version id and poll its source_image_id for the operation’s result.
Resource ID.
Job state. Only completed has a finished result.
pending, generating, completed, failed, policy_blocked, nsfw_filtered Result URL. Can be null while the job is pending.
Whether the upload is a reusable asset reference.
Operation that created this job.
Human-readable failure detail.
Machine-readable failure category, when available.
input_rejected, provider_unavailable, queue_timeout, policy_blocked Linked reusable assets.
Resource ID.
Related versions. May be omitted or empty. Never infer a new version is completed from the parent status.
Show child attributes
Show child attributes