AI image generation API with ready-made Python and Node.js client libraries
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Pricing model
Paid
Freemium
Pricing
$0.02 per image for Nano Banana 2.1 at 1K resolution, $0.02 for GPT Image 2, $0.04 for Nano Banana Pro at 1K, $0.07 at 4K. Pricing varies by model and resolution. No subscription required; users prepay balance in USDT.
Free: 10 credits at signup plus 10 daily (1 standard edit per day). Monthly: $14.99/month with 800 credits. Yearly: $6.99/month ($83.88/year, renews at $179.88/year) with 14,400 credits. One-time packs: Starter $9.90 (300 credits), Value $19.90 (650 credits), Bulk $39.90 (1,400 credits).
Key features
Automatic idempotency key management
Automatic polling with configurable intervals
Retry logic for dropped connections and rate limiting
Webhook signature verification
Decimal and string representations for financial amounts
Exception classes for error handling
Support for Python 3.11+ and Node.js 22+
TypeScript support
180 hairstyle presets across female, male, and children styles
Custom text prompt editor for hair descriptions
Face-preserving edits that keep identity and background intact
AI hair report with face-shape-aware style guidance
Multiple resolution outputs: 1K, 2K, and 4K quality
Color palette presets or custom HEX color input
Mobile browser support with one-handed interface
Gallery management with image download and sharing
Commercial rights for generated images
Encrypted data handling with automatic retention deletion
What makes it different
Refund for failed requests automatically credited to balance
Up to 70% cheaper than official Google and OpenAI prices
No subscription or monthly fees, pay-as-you-go model
Libraries handle boilerplate code automatically
Focused on one task well: hair color and hairstyle previewing, not a generic image editor
Intentionally narrow prompt that preserves identity and context while changing only hair
Editorial-grade realistic output with natural-looking hair color, hairline, and lighting
Free to try with no credit card required and daily free credits
You own all generated images with commercial rights and full control over data privacy
Rendergrid
AIChangeHair