Remove.bg API Documentation

Remove Background automatically with 1 API call

Explore our API documentation and examples to integrate remove.bg into your application or workflow.

Get API Key

Not a developer? There are plenty ready to use Tools & Apps by remove.bg and our community.

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Easy to integrate

Our API is a simple HTTP interface with various options:

Source images:: Direct uploads or URL reference
Result images:: Image file or JSON-encoded data
Output resolution:: up to 50 megapixels

Requires images that have a foreground (e.g. people, products, animals, cars, etc.)

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Get started

Our API is a simple HTTP interface with various options:

Get your API Key.
Your first 50 API calls per month are on us (see Pricing).
Use the following code samples to get started quickly
Review the reference docs to adjust any parameters

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Sample Code

$ curl -H 'X-API-Key: INSERT_YOUR_API_KEY_HERE'           \
       -F 'image_file=@/path/to/file.jpg'                 \
       -F 'size=auto'                                     \
       -f https://api.remove.bg/v1.0/removebg -o no-bg.png

import fs from "node:fs";

async function removeBg(blob) {
  const formData = new FormData();
  formData.append("size", "auto");
  formData.append("image_file", blob);

  const response = await fetch("https://api.remove.bg/v1.0/removebg", {
    method: "POST",
    headers: { "X-Api-Key": "INSERT_YOUR_API_KEY_HERE" },
    body: formData,
  });

  if (response.ok) {
    return await response.arrayBuffer();
  } else {
    throw new Error(`${response.status}: ${response.statusText}`);
  }
}

const inputPath = "/path/to/file.jpg";
const fileBlob = await fs.openAsBlob(inputPath)
const rbgResultData = await removeBg(fileBlob);
fs.writeFileSync("no-bg.png", Buffer.from(rbgResultData));

# Requires "requests" to be installed (see python-requests.org)
import requests

response = requests.post(
    'https://api.remove.bg/v1.0/removebg',
    files={'image_file': open('/path/to/file.jpg', 'rb')},
    data={'size': 'auto'},
    headers={'X-Api-Key': 'INSERT_YOUR_API_KEY_HERE'},
)
if response.status_code == requests.codes.ok:
    with open('no-bg.png', 'wb') as out:
        out.write(response.content)
else:
    print("Error:", response.status_code, response.text)

# Install "remove_bg" first (https://github.com/remove-bg/ruby)
require "remove_bg"

RemoveBg.from_file("/path/to/file.jpg",
  api_key: "INSERT_YOUR_API_KEY_HERE"
).save("no-bg.png")

// Requires "guzzle" to be installed (see guzzlephp.org)
// If you have problems with our SSL certificate with error 'Uncaught GuzzleHttp\Exception\RequestException: cURL error 60: SSL certificate problem: unable to get local issuer certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://api.remove.bg/v1.0/removebg'
// follow these steps to use the latest cacert certificate for cURL: https://github.com/guzzle/guzzle/issues/1935#issuecomment-371756738

$client = new GuzzleHttp\Client();
$res = $client->post('https://api.remove.bg/v1.0/removebg', [
    'multipart' => [
        [
            'name'     => 'image_file',
            'contents' => fopen('/path/to/file.jpg', 'r')
        ],
        [
            'name'     => 'size',
            'contents' => 'auto'
        ]
    ],
    'headers' => [
        'X-Api-Key' => 'INSERT_YOUR_API_KEY_HERE'
    ]
]);

$fp = fopen("no-bg.png", "wb");
fwrite($fp, $res->getBody());
fclose($fp);

// Requires "Apache HttpComponents" to be installed (see hc.apache.org)

Response response = Request.Post("https://api.remove.bg/v1.0/removebg")
    .addHeader("X-Api-Key", "INSERT_YOUR_API_KEY_HERE")
    .body(
        MultipartEntityBuilder.create()
        .addBinaryBody("image_file", new File("/path/to/file.jpg"))
        .addTextBody("size", "auto")
        .build()
    ).execute();
response.saveContent(new File("no-bg.png"));

// Requires AFNetworking to be installed (see https://github.com/AFNetworking/AFNetworking)

NSURL *fileUrl = [NSBundle.mainBundle URLForResource:@"file" withExtension:@"jpg"];
NSData *data = [NSData dataWithContentsOfURL:fileUrl];
if (!data) {
    return;
}

AFHTTPSessionManager *manager =
[[AFHTTPSessionManager alloc] initWithSessionConfiguration:
 NSURLSessionConfiguration.defaultSessionConfiguration];

manager.responseSerializer = [AFImageResponseSerializer serializer];
[manager.requestSerializer setValue:@"INSERT_YOUR_API_KEY_HERE"
                 forHTTPHeaderField:@"X-Api-Key"];

NSURLSessionDataTask *dataTask = [manager
                                  POST:@"https://api.remove.bg/v1.0/removebg"
                                  parameters:nil
                                  constructingBodyWithBlock:^(id  _Nonnull formData) {
                                      [formData appendPartWithFileData:data
                                                                  name:@"image_file"
                                                              fileName:@"file.jpg"
                                                              mimeType:@"image/jpeg"];
                                  }
                                  progress:nil
                                  success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
                                      if ([responseObject isKindOfClass:UIImage.class] == false) {
                                          return;
                                      }

                                      self.imageView.image = responseObject;
                                  } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
                                      // Handle error here
                                  }];

[dataTask resume];

// Requires Alamofire 5 to be installed (see https://github.com/Alamofire/Alamofire)

guard let fileUrl = Bundle.main.url(forResource: "file", withExtension: "jpg"),
  let data = try? Data(contentsOf: fileUrl)
else { return false }

struct HTTPBinResponse: Decodable { let url: String }

AF.upload(
  multipartFormData: { builder in
    builder.append(
      data,
      withName: "image_file",
      fileName: "file.jpg",
      mimeType: "image/jpeg"
    )
  },
  to: URL(string: "https://api.remove.bg/v1.0/removebg")!,
  headers: [
    "X-Api-Key": "INSERT_YOUR_API_KEY_HERE"
  ]
).responseDecodable(of: HTTPBinResponse.self) { imageResponse in
  guard let imageData = imageResponse.data,
    let image = UIImage(data: imageData)
  else { return }

  self.imageView.image = image
}

using (var client = new HttpClient())
using (var formData = new MultipartFormDataContent())
{
    formData.Headers.Add("X-Api-Key", "INSERT_YOUR_API_KEY_HERE");
    formData.Add(new ByteArrayContent(File.ReadAllBytes("/path/to/file.jpg")), "image_file", "file.jpg");
    formData.Add(new StringContent("auto"), "size");
    var response = client.PostAsync("https://api.remove.bg/v1.0/removebg", formData).Result;

    if(response.IsSuccessStatusCode) {
        FileStream fileStream = new FileStream("no-bg.png", FileMode.Create, FileAccess.Write, FileShare.None);
        response.Content.CopyToAsync(fileStream).ContinueWith((copyTask) =>{ fileStream.Close(); });
    } else {
        Console.WriteLine("Error: " + response.Content.ReadAsStringAsync().Result);
    }
}

💭 happy easter 2022 from the team at remove.bg

🏁 🍇
  😀🔤👋🐣!🔤❗️
🍉

$ curl -H 'X-API-Key: INSERT_YOUR_API_KEY_HERE'           \
       -F 'image_url=https://www.remove.bg/example.jpg'   \
       -F 'size=auto'                                     \
       -f https://api.remove.bg/v1.0/removebg -o no-bg.png

import fs from "node:fs";

async function removeBg(imageURL) {
  const formData = new FormData();
  formData.append("size", "auto");
  formData.append("image_url", imageURL);

  const response = await fetch("https://api.remove.bg/v1.0/removebg", {
    method: "POST",
    headers: { "X-Api-Key": "INSERT_YOUR_API_KEY_HERE" },
    body: formData,
  });

  if (response.ok) {
    return await response.arrayBuffer();
  } else {
    throw new Error(`${response.status}: ${response.statusText}`);
  }
}

const rbgResultData = await removeBg("https://www.remove.bg/example.jpg");
fs.writeFileSync("no-bg.png", Buffer.from(rbgResultData));

# Requires "requests" to be installed (see python-requests.org)
import requests

response = requests.post(
    'https://api.remove.bg/v1.0/removebg',
    data={
        'image_url': 'https://www.remove.bg/example.jpg',
        'size': 'auto'
    },
    headers={'X-Api-Key': 'INSERT_YOUR_API_KEY_HERE'},
)
if response.status_code == requests.codes.ok:
    with open('no-bg.png', 'wb') as out:
        out.write(response.content)
else:
    print("Error:", response.status_code, response.text)

# Install "remove_bg" first (https://github.com/remove-bg/ruby)
require "remove_bg"

RemoveBg.from_url("https://www.remove.bg/example.jpg",
  api_key: "INSERT_YOUR_API_KEY_HERE"
).save("no-bg.png")

// Requires "guzzle" to be installed (see guzzlephp.org)
// If you have problems with our SSL certificate getting the error 'Uncaught GuzzleHttp\Exception\RequestException: cURL error 60: SSL certificate problem: unable to get local issuer certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://api.remove.bg/v1.0/removebg'
// follow these steps to use the latest cacert certificate for cURL: https://github.com/guzzle/guzzle/issues/1935#issuecomment-371756738

$client = new GuzzleHttp\Client();
$res = $client->post('https://api.remove.bg/v1.0/removebg', [
    'multipart' => [
        [
            'name'     => 'image_url',
            'contents' => 'https://www.remove.bg/example.jpg'
        ],
        [
            'name'     => 'size',
            'contents' => 'auto'
        ]
    ],
    'headers' => [
        'X-Api-Key' => 'INSERT_YOUR_API_KEY_HERE'
    ]
]);

$fp = fopen("no-bg.png", "wb");
fwrite($fp, $res->getBody());
fclose($fp);

// Requires "Apache HttpComponents" to be installed (see hc.apache.org)

Response response = Request.Post("https://api.remove.bg/v1.0/removebg")
    .addHeader("X-Api-Key", "INSERT_YOUR_API_KEY_HERE")
    .body(
        MultipartEntityBuilder.create()
        .addTextBody("image_url", "https://www.remove.bg/example.jpg")
        .addTextBody("size", "auto")
        .build()
    ).execute();
response.saveContent(new File("no-bg.png"));

// Requires AFNetworking to be installed (see https://github.com/AFNetworking/AFNetworking)

AFHTTPSessionManager *manager =
[[AFHTTPSessionManager alloc] initWithSessionConfiguration:
 NSURLSessionConfiguration.defaultSessionConfiguration];

manager.responseSerializer = [AFImageResponseSerializer serializer];
[manager.requestSerializer setValue:@"INSERT_YOUR_API_KEY_HERE"
                 forHTTPHeaderField:@"X-Api-Key"];

NSURLSessionDataTask *dataTask = [manager
                                  POST:@"https://api.remove.bg/v1.0/removebg"
                                  parameters:@{@"image_url": @"https://www.remove.bg/example.jpg"}
                                  progress:nil
                                  success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
                                      if ([responseObject isKindOfClass:UIImage.class] == false) {
                                          return;
                                      }

                                      self.imageView.image = responseObject;
                                  } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
                                      NSLog(@"ERROR");
                                  }];
[dataTask resume];

// Requires Alamofire 5 to be installed (see https://github.com/Alamofire/Alamofire)

AF.request(
  URL(string: "https://api.remove.bg/v1.0/removebg")!,
  method: .post,
  parameters: ["image_url": "https://www.remove.bg/example.jpg"],
  encoding: URLEncoding(),
  headers: [
    "X-Api-Key": "INSERT_YOUR_API_KEY_HERE"
  ]
)
.responseData { imageResponse in
  guard let imageData = imageResponse.data,
    let image = UIImage(data: imageData)
  else { return }

  self.imageView.image = image
}

using (var client = new HttpClient())
using (var formData = new MultipartFormDataContent())
{
    formData.Headers.Add("X-Api-Key", "INSERT_YOUR_API_KEY_HERE");
    formData.Add(new StringContent("https://www.remove.bg/example.jpg"), "image_url");
    formData.Add(new StringContent("auto"), "size");
    var response = client.PostAsync("https://api.remove.bg/v1.0/removebg", formData).Result;

    if(response.IsSuccessStatusCode) {
        FileStream fileStream = new FileStream("no-bg.png", FileMode.Create, FileAccess.Write, FileShare.None);
        response.Content.CopyToAsync(fileStream).ContinueWith((copyTask) =>{ fileStream.Close(); });
    } else {
        Console.WriteLine("Error: " + response.Content.ReadAsStringAsync().Result);
    }
}

💭 happy easter 2022 from the team at remove.bg

🏁 🍇
  😀🔤👋🐣!🔤❗️
🍉

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Libraries

Get up and running faster with official and third-party libraries.

Not a developer? There are plenty ready to use Tools & Apps by remove.bg and our community.

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Official

Output formats

You can request one of three formats via the format parameter:

Format	Resolution	Pros and cons	Example
PNG	Up to 10 Megapixels e.g. 4000x2500	+ Simple integration + Supports transparency - Large file size	Download 7 MB
JPG	Up to 50 Megapixels e.g. 8000x62500	+ Simple Integration + Small file size - No transparency supported	Download 1 MB
ZIP	Up to 50 Megapixels e.g. 8000x6250	+ Small file size + Supports transparency - Integration requires compositing	Download 3 MB

Please note that PNG images above 10 megapixels are not supported. If you require transparency for images of that size, use the ZIP format (see below). If you don't need transparency (e.g. white background), we recommend JPG.

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How to use the ZIP format

The ZIP format has the best runtime performance for transparent images.

In comparison to PNG, the resulting file is up to 80% smaller (faster to download) and up to 40% faster to generate. For performance optimization we recommend using the ZIP format whenever possible. Above 10 megapixels, usage of the ZIP format is required for transparent results.

The ZIP file always contains the following files:

color.jpg	A non-transparent RGB image in JPG format containing the colors for each pixel. (Note: This image differs from the input image due to edge color corrections.) – Show example
alpha.png	A non-transparent grayscale image in PNG format containing the alpha matte. White pixels are foreground regions, black is background. – Show example

To compose the final image file:

Extract the files from the ZIP
Apply the alpha matte (alpha.png) to the color image (color.jpg).
Save the result in a format of your choice (e.g. PNG)

Sample code for linux (requires zip and imagemagick):

$ unzip no-bg.zip                      && \
  convert color.jpg alpha.png             \
    -compose CopyOpacity                  \
    -composite no-bg.png

A zip2png command is integrated in our command line interface. More code samples can be found here.

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OAuth 2.0

If you want to authenticate users with the click of a button instead of having them enter an API Key, get in touch to try our OAuth 2.0 login.

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API Reference

Auth.onChange(function() { window.location.reload(); });

Please view this page on on a larger device to see the full API Reference.

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Rate Limit

You can process up to 500 images per minute through the API, depending on the input image resolution in megapixels.

Examples:

Input image	Megapixels	Effective Rate Limit
625 x 400	1 MP	500 images per minute
1200 x 800	1 MP	500 images per minute
1600 x 1200	2 MP	500 / 2 = 250 images per minute
2500 x 1600	4 MP	500 / 4 = 125 images per minute
4000 x 2500	10 MP	500 / 10 = 50 images per minute
6250 x 4000	25 MP	500 / 25 = 20 images per minute
8000 x 6250	50 MP	500 / 50 = 10 images per minute

Exceedance of rate limits leads to a HTTP status 429 response (no credits charged). Clients can use the following response headers to gracefully handle rate limits:

Response header	Sample value	Description
`X-RateLimit-Limit`	`500`	Total rate limit in megapixel images
`X-RateLimit-Remaining`	`499`	Remaining rate limit for this minute
`X-RateLimit-Reset`	`1730806308`	Unix timestamp when rate limit will reset
`Retry-After`	`59`	Seconds until rate limit will reset (only present if rate limit exceeded)

Higher rate limits are only available to high-volume solution users; get in touch here.

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Exponential backoff

Exponential backoff is an error handling strategy in which a client periodically retries a failed request.

The delay increases between requests and often includes jitter (randomized delay) to avoid collisions when using concurrent clients. Clients should use exponential backoff whenever they receive HTTP status codes 5XX or 429.

The following pseudo code shows one way to implement exponential backoff:

retry = true
retries = 0

WHILE (retry == TRUE) AND (retries < MAX_RETRIES)
  wait_for_seconds (2^retries + random_number)

  result = get_result

  IF result == SUCCESS
    retry = FALSE
  ELSE IF result == ERROR
    retry = TRUE
  ELSE IF result == THROTTLED
    retry = TRUE
  END
    
  retries = retries +1 
END

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API Changelog

Most recent API updates:

2024-06-03: - Introduced new parameters: shadow_type and shadow_opacity. Deprecated parameter: add_shadow. Extended type parameter with new values: "graphic", "transportation" and "animal".
2024-03-17: - Added new value for size parameter: 50MP for up to 50 megapixels (e.g., 8000x6250 pixels) with formats ZIP or JPG, or up to 10 megapixels (e.g., 4000x2500 pixels) with PNG – costs 1 credit per image. The "auto" option keeps supporting a maximum of 25MP for backwards compatibility.
2024-01-10: Final reminder - Deprecation of TLS 1.0 and 1.1. Upgrade to TLS 1.2 or higher for uninterrupted service before 2024-02-05.
2023-12-06: Second notice - Deprecation of TLS 1.0 and 1.1. Upgrade to TLS 1.2 or higher for uninterrupted service before 2024-02-05.
2023-11-22: First notice - Deprecation of TLS 1.0 and 1.1. Upgrade to TLS 1.2 or higher for uninterrupted service before 2024-02-05.
2021-12-07: Added foreground position and size to background removal responses. (JSON fields: foreground_top, foreground_left, foreground_width and foreground_height. Response headers: X-Foreground-Top, X-Foreground-Left, X-Foreground-Width and X-Foreground-Height.)
2021-04-13: Removed deprecated shadow_method=legacy option and shadow_method parameter as it no longer has any effect.
2021-03-01: Added examples for 400 error codes.
2021-01-21: Added shadow_method parameter to control shadow appearance. Deprecated legacy value for shadow_method.
2020-09-30: Added type_level parameter and POST /improve endpoint.
2020-05-06: Added semitransparency parameter.
2019-09-27: Introduce ZIP format and support for images up to 25 megapixels.
2019-09-25: Increased maximum file size to 12 MB and rate limit to 500 images per minute. Rate limit is now resolution-dependent.
2019-09-16: Added enterprise credit balance field to account endpoint.
2019-08-01: Added add_shadow option for car images.
2019-06-26: Added crop_margin, scale and position parameters.
2019-06-19: Added support for animals and other foregrounds (response header X-Type: animal and X-Type: other)
2019-06-11: Credit balances can now have fractional digits, this affects the X-Credits-Charged value
2019-06-03: Added parameters bg_image_url, bg_image_file (add a background image), crop (crop off empty regions) and roi (specify a region of interest).
2019-05-13: Added car support (type=car parameter and X-Type: car response header)
2019-05-02: Renamed size "regular" to "small". Clients should use the new value, but the old one will continue to work (deprecated)
2019-05-01: Added endpoint GET /account for credit balance lookups
2019-04-15: Added parameter format to set the result image format
2019-04-15: Added parameter bg_color to add a background color to the result image

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Remove.bg API Documentation

Remove Background automatically with 1 API call

Easy to integrate

Get started

Sample Code

Libraries

Commandline Tool

Ruby Gem

PHP/Laravel Library

Node.js: remove.bg

Node.js: removd

Python: remove.bg

Output formats

How to use the ZIP format

OAuth 2.0

API Reference

Rate Limit

Exponential backoff

API Changelog

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