PromptGPT Developer API v1 is Live

Supercharge Your Apps with
Programmatic Prompt AI

Transform raw, unpredictable user prompts into master-grade AI prompts for Midjourney, ChatGPT, Claude, and Gemini with ultra-fast < 95ms edge latency.

< 95ms
Ultra-Low Edge Latency
99.9%
Production Uptime SLA
50 Free
Instant Sandbox Credits
RESTful
JSON Payloads & SDKs

Interactive API Playground

Test the optimization engine live directly in your browser.

POST /api/v1/prompts/optimize
Ready
{
  "status": "ready",
  "message": "Click 'Send Test API Request' to inspect live JSON output."
}

Integrate in 3 Lines of Code

Compatible with any language, framework, and workflow engine.

curl -X POST "https://promptgpt.io/api/v1/prompts/optimize" \
  -H "Authorization: Bearer pgpt_live_YOUR_SECRET_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "portrait of a cyberpunk warrior in neon rain",
    "target_model": "midjourney",
    "negative_prompt": true
  }'
Simple, Predictable Developer Pricing

Choose Your API Plan

Pay in INR (UPI, Cards, NetBanking via Razorpay) or USD. Automated GST tax invoices generated on checkout.

Starter Developer

1,500 Calls
$12 / 1 Year (₹999)
  • 1,500 API Requests
  • 1 Year Validity (365 Days)
  • 30 Requests / Min
  • Prompt Optimize & Gen
  • GST Tax Invoices
Most Popular

Pro Developer

7,500 Calls
$45 / 1 Year (₹3,499)
  • 7,500 API Requests
  • 1 Year Validity (365 Days)
  • 120 Requests / Min
  • Vision & Multimodal API
  • Priority Execution Queue

Scale Business

25,000 Calls
$120 / 1 Year (₹9,999)
  • 25,000 API Requests
  • 1 Year Validity (365 Days)
  • 300 Requests / Min
  • All Endpoints Included
  • 99.9% Uptime Guarantee

Enterprise 100k

100k Calls
$399 / 1 Year (₹32,999)
  • 100,000 API Requests
  • 1 Year Validity (365 Days)
  • 600 Requests / Min
  • Vision + Multi-modal APIs
  • Dedicated SLA & Support