Developers

Estimation API

Embed real-time website cost estimates into your tools, proposals, and client workflows. Same 9-engine calculation pipeline, delivered via REST API.

Endpoints

POST/api/v1/estimate

Generate a full project cost estimate

Response: { totalCost, platform, timeline, complexity, risk, breakdown, insights }

POST/api/v1/compare

Compare estimates across multiple platforms

Response: { platforms: [{ platform, totalCost, timeline, pros, cons }] }

GET/api/v1/cost-index

Get current market rate data by project type and region

Response: { rates: [{ type, market, freelancer, agency }] }

Quick example

curl -X POST https://api.projectcostestimator.com/v1/estimate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "projectType": "ecommerce",
    "designType": "premium",
    "numberOfPages": "15-50",
    "numberOfProducts": "50-200",
    "market": "western_europe",
    "pricingTier": "freelancer"
  }'
{
  "totalCost": 4850,
  "currency": "USD",
  "platform": "shopify",
  "platformLabel": "Shopify",
  "timelineWeeks": 14.5,
  "complexity": 72,
  "riskLevel": "Medium",
  "confidence": { "score": 65, "level": "Medium" },
  "monthlyCost": 116
}

API pricing

Free

$0

50 requests/month

  • Basic estimate endpoint
  • JSON response
  • Rate limited

Pro

$49/mo

5,000 requests/month

  • All endpoints
  • PDF generation
  • Webhook callbacks
  • Priority support

Enterprise

Custom

Unlimited

  • Custom integrations
  • White-label
  • SLA guarantee
  • Dedicated support

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