Developer Setup

API Keys

Enter your API keys below to enable real outfit identification, virtual try-on, and AI styling. Keys are saved locally in your browser only — never sent to any server except the API providers directly.

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OpenAI — Item Identification
GPT-4o Vision identifies brands, items, and categories
Not set
Get your key at platform.openai.com/api-keys → Cost: ~$0.002 per outfit scan · Add $20 credit to start
🪞
Fashn.ai — Virtual Try-On
Places outfit items on your Style Twin™ photo
Not set
Get your key at fashn.ai → Developer → API Keys Cost: $0.075 per try-on · 10 free credits included
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Anthropic — Personal Stylist
Claude powers your Style Twin™ AI stylist chat
Not set
Get your key at console.anthropic.com → API Keys Cost: ~$0.003 per conversation · Free tier available

Keys are stored in your browser's localStorage only. Never shared. For production, move keys to a Vercel Edge Function.

APIPer Use50 users/dayMonthly est.
OpenAI Vision$0.002$0.10~$3
Fashn.ai Try-On$0.075$3.75~$113
Anthropic Claude$0.003$0.15~$5
Total estimate~$121/mo