Image by 851 Labs

851-labs — Background Remove API

Cheap, fast background removal for high volume.

Integrate 851-labs — Background Remove with a single API call — one key, one unified endpoint, and shared billing across every model on Apiframe.

Get API Key View Docs

model: "851-bg-remove"

What's special about 851-labs — Background Remove

Image-to-image editing and reference-image support.
Fast turnaround — about 2s per generation on average.
Pay-as-you-go pricing with no 851 Labs account required — you only pay for successful generations.
One API key, unified billing, idempotency and webhooks across every Apiframe model.

Made with 851-labs — Background Remove

A few outputs generated through the 851-labs — Background Remove API on Apiframe.

Sample coming soon

Overview

Endpoint: POST /v2/images/background-remove
Model ID: 851-bg-remove
Params key: lab851BgRemoveParams
Modality: image
Provider: 851 Labs
Pricing: Pay-as-you-go
Avg. completion: ~2s

Capabilities

Image inputSupported

Avg. time~2s

Quick start

Send a single POST /v2/images/background-remove request with your API key to generate with 851-labs — Background Remove. The call returns a jobId you can poll or receive via webhook.

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"
        }
    }'

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" }

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);

Response & job lifecycle

Generation is asynchronous. A successful submission returns 202 Accepted with a jobId. Poll GET /v2/jobs/{id} (or supply a webhook_url) until the status is COMPLETED; the result field then holds the output URL(s).

1. Submission response (202)

{
  "jobId": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
  "status": "QUEUED"
}

2. Poll for the result

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

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"])

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);

Input schema

Request parameters accepted by the 851-labs — Background Remove endpoint. Model-specific options are nested under the params object shown below.

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

Frequently Asked Questions

Common questions about the 851-labs — Background Remove API.

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 — 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.

Still have questions?

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Webhooks, SDKs & idempotency

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