S

Stability AI

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Stable Diffusion 3.5 via API. 25 credits free.

Image
90
/ 100 APIVault Score
Get API KeyRead Docs

// At a glance

Free Tier
25 credits · no card
Category
Image
Credit Card
Not required
Last Verified
2m ago

// Free tier details

Available Models

Stable Diffusion 3.5CoreUltra

Monthly Requests

25 free credits

No credit card needed
No phone verification

// Quick start

"text">-purple-400">curl "text-amber-400">-X POST https://api.stability.ai/v2beta/stable"text-amber-400">-image/generate/sd3.5 \
  "text-amber-400">-H "Authorization: Bearer YOUR_STABILITY_KEY" \
  "text-amber-400">-F "prompt=a cyberpunk owl" \
  "text-amber-400">-F "output_format=png" \
  "text-amber-400">-o output.png

// Overview

Official API for SD3.5 Large, plus core image editing tools including inpainting and ControlNet support.

// Pros

  • Official SD access
  • Image editing tools
  • ControlNet support

// Cons

  • Free credits run out fast
  • Slower than Fal

// Score breakdown

Reliability (35%) (from 2m ago health check)100/100
Free Tier Generosity (30%) (computed from quota, no-CC, no-phone fields)85/100
Documentation (20%) (human rating)86/100
Popularity (15%) (GitHub stars (log-normalised), or manual baseline)84/100

Methodology: apivault.dev/methodology

// Best for

Production image genStyle transferImage editing