Image

851-labs — Background Remove API

by 851 Labs

Cheap, fast background removal for high volume.

Get API key Read the docs

~3s
Avg. generation: 1 credits
From

851-bg-remove

Image model

A sleek silver sports car on a coastal highway at sunset, hyper-realistic, golden light.

Playground

Try 851-labs — Background Remove right here.

model: 851-bg-remove

Output format

Media inputs

Source image

Advanced settings

Mask threshold Background

Estimated cost 1 credits · $0.01 Generate in Studio

Output

Your output lands here. Hit generate to run this request in Studio.

Pricing

Simple per-generation pricing.

1 credits per generation ≈ $0.01

You only pay for successful generations. Failed jobs are refunded automatically.
One credit balance across every model on Apiframe, no per-model plans.
Start with free credits. No subscription required.
Volume discounts on larger plans.

See plans and credit packs

Specs

At a glance.

Provider 851 Labs

Model ID 851-bg-remove

Image input Supported

Avg. time ~3s

Quickstart

How to call the 851-labs — Background Remove API.

Send one POST /v2/images/background-remove request with your API key. The call returns a jobId you can poll, or pass a webhook_url and the result is pushed to you the moment it's ready.

Swap 851-bg-remove for any other model and nothing else changes.

Get API key Read the docs

generate.js

const response = await fetch("https://api.apiframe.ai/v2/images/background-remove", {
  method: "POST",
  headers: {
    "X-API-Key": "afk_your_api_key_here",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "851-bg-remove",
    "lab851BgRemoveParams": {
      "image": "https://example.com/input.jpg",
      "format": "png",
      "threshold": 0,
      "background_type": "rgba"
    }
  }),
});
const { jobId } = await response.json();
console.log(jobId);

import requests

response = requests.post(
    "https://api.apiframe.ai/v2/images/background-remove",
    headers={
        "X-API-Key": "afk_your_api_key_here",
        "Content-Type": "application/json",
    },
    json={
        "model": "851-bg-remove",
        "lab851BgRemoveParams": {
            "image": "https://example.com/input.jpg",
            "format": "png",
            "threshold": 0,
            "background_type": "rgba"
        }
    },
)
print(response.json())  # { "jobId": "...", "status": "QUEUED" }

curl -X POST https://api.apiframe.ai/v2/images/background-remove \
  -H "X-API-Key: afk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
        "model": "851-bg-remove",
        "lab851BgRemoveParams": {
            "image": "https://example.com/input.jpg",
            "format": "png",
            "threshold": 0,
            "background_type": "rgba"
        }
    }'

let job;
do {
  await new Promise((r) => setTimeout(r, 2000));
  job = await fetch("https://api.apiframe.ai/v2/jobs/JOB_ID", {
    headers: { "X-API-Key": "afk_your_api_key_here" },
  }).then((r) => r.json());
} while (job.status !== "COMPLETED" && job.status !== "FAILED");
console.log(job.result);

import requests, time

while True:
    job = requests.get(
        "https://api.apiframe.ai/v2/jobs/JOB_ID",
        headers={"X-API-Key": "afk_your_api_key_here"},
    ).json()
    if job["status"] in ("COMPLETED", "FAILED"):
        break
    time.sleep(2)
print(job["result"])

curl https://api.apiframe.ai/v2/jobs/JOB_ID \
  -H "X-API-Key: afk_your_api_key_here"

Input schema

Every field 851-labs — Background Remove accepts, with types and defaults. The full reference lives in the docs.

Field	Type	Description
model required	string	The model identifier for this endpoint. Default:"851-bg-remove" · "851-bg-remove"
lab851BgRemoveParams.image	string (URL)	Source image (URL)
lab851BgRemoveParams.format	string	Output format Default:"png" · "png", "jpg"
lab851BgRemoveParams.threshold	number	Higher = more aggressive cutout. Default:0 · min 0, max 1, step 0.05
lab851BgRemoveParams.background_type	string	Background Default:"rgba" · "rgba", "map", "green", "white", "blur", "overlay"

851 Labs versions

Every 851 Labs image model on Apiframe. Switch with one parameter.

851-labs — Background Remove Flagship This page

851-labs — Background Remove questions

What teams ask before shipping with 851-labs — Background Remove. Everything else lives in the docs.

Is there an API for 851-labs — Background Remove?

Yes. Apiframe exposes 851-labs — Background Remove through a single REST endpoint (POST /v2/images/background-remove with model: "851-bg-remove"). You get one unified API, key, and billing across every supported model, with no separate 851 Labs account required.

How much does the 851-labs — Background Remove API cost?

851-labs — Background Remove uses simple pay-as-you-go pricing on Apiframe. You only pay for successful generations. See the pricing page for plans and volume discounts.

How do I call the 851-labs — Background Remove API?

Send a POST request to /v2/images/background-remove with your X-API-Key and a JSON body containing model: "851-bg-remove". The call returns a jobId; poll GET /v2/jobs/{id} or use a webhook to receive the result.

What parameters does 851-labs — Background Remove support?

851-labs — Background Remove accepts 4 model-specific parameters (nested under lab851BgRemoveParams) plus the common prompt and webhook_url fields. See the input schema above for the full list with types and defaults.