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⚡ High-Performance Developer API

Power your apps with the
FLUX AI Studio API

Integrate the industry's highest quality AI background remover, 16K upscaler, generative fill, and outpainting into your product with a simple REST API.

No Monthly Subscription Required • Pure Pay-As-You-Go

Access the API via Developer Console

No recurring subscription required. Simply sign in to the Developer Console, generate your secret API keys, and purchase credits as you need them.

Open Developer Console →
Open Developer Console Developer Documentation 
curl -X POST https://api.fluxstudio.ai/v1/remove-background \
  -H "x-api-key: YOUR_PRO_API_KEY" \
  -F "image_url=https://example.com/product.jpg" \
  -F "format=png"
380ms
Average Cutout Latency
99.99%
Production SLA Uptime
100M+
API Calls Processed Monthly
16K
Max Upscale Resolution
Full AI Toolsuite via REST

Everything you need to automate visual workflows

A unified developer API built on top of high-performance NVIDIA H100 clusters.

✂️
Background Removal API
Sub-pixel precision down to individual hair strands, transparent lace, and metallic reflections. Return PNG cutouts or solid masks.
POST /v1/remove-background
Image Super-Resolution API
Upscale 2X, 4X, 8X, and 16K with face restoration and texture synthesis. Supports product, anime, portrait, and vector modes.
POST /v1/upscale
Generative Fill API
Send an image, a binary mask or bounding box, and a natural language text prompt to seamlessly replace objects or fill missing areas.
POST /v1/generative-fill
Uncrop & Outpainting API
Extend canvas boundaries in any aspect ratio (16:9, 9:16, 4:5) while maintaining subject context and realistic surroundings.
POST /v1/uncrop
Magic Eraser Inpainting API
Remove photobombers, watermarks, text, cables, or unwanted objects with context-aware natural infill.
POST /v1/inpaint
AI Product Backdrop API
Place packshot cutouts onto 3D scenic stages, marble pedestals, water splashes, or photorealistic lifestyle environments.
POST /v1/generate-background
Getting Started

How to access the Developer API

Pure pay-as-you-go. No monthly subscription required—sign in, generate your secret keys, and buy credits as you scale.

1

Sign In to Developer Console

Sign in with your Google account or email. No recurring subscription needed—your account is provisioned instantly.

2

Top Up AI Credits as Needed

Choose an on-demand credit pack starting at just $10 for 1,000 credits, up to enterprise volumes with up to 40% bonus credits.

3

Generate Keys & Start Building

Create your secret x-api-key, test endpoints in the live sandbox, and integrate using official cURL, Python, Node.js, Go, or PHP snippets.

Ready to integrate FLUX Studio AI into your app?

Sign in to the Developer Console today for instant API keys, sandbox testing, and on-demand credits with zero recurring fees.

Open Developer Console Explore API Docs →

Frequently Asked Questions

Everything you need to know about integrating with the FLUX AI Studio API.

No. The FLUX AI Studio Developer API operates on a 100% pay-as-you-go credit model. You do not need an active Pro or Ultra consumer subscription. Simply sign in to the Developer Console, generate your secret API key, and purchase credit packs on demand with volume bonus tiers.
API calls are billed against your developer account balance with transparent fractional credit deduction: 0.25 credits for Real-ESRGAN basic upscaling, 1 credit for HD Background Cutout, 2 credits for Generative Fill & Uncrop, 4 credits for FLUX Schnell, 12 credits for FLUX Dev, and 18 credits for Heavy 16K Upscaling. Developer credit packs scale from 1,000 to 900,000 credits with volume discounts, plus custom enterprise agreements with dedicated compute clusters for high-volume pipelines.
You can send images via public HTTPS URLs, base64 strings, or direct multipart/form-data uploads. We support JPG, PNG, WEBP, HEIC, and TIFF up to 50MB per request.
Yes. Standard developer keys include 120 requests per minute with up to 20 concurrent tasks. For high-throughput enterprise pipelines (10,000+ images per minute), custom dedicated GPU clusters with zero concurrency caps and Net-30 invoicing can be provisioned through our enterprise team.