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README.md

@@ -16,7 +16,7 @@ One-click data collection from 10 international APIs with automatic storage and
 
 ## ✨ Features
 
-### 🌍 **10 Data Sources** - Verified API endpoints based on 2024 documentation
+### 🌍 **10 Data Sources** - Research-verified API endpoints based on 2024 official documentation
 - 🇸🇪 **Swedish Government**: Skolverket, SCB, Kolada, Riksbanken, Swecris, CSN
 - 🌍 **International**: Eurostat, WHO, OECD, World Bank
 
@@ -44,19 +44,19 @@ One-click data collection from 10 international APIs with automatic storage and
 
 ## 📊 **API Details**
 
-### Swedish Sources
-- **Skolverket**: Education data, school units, curricula (HAL+JSON)
-- **SCB**: Population, economy statistics (Rate limit: 10/10 sec)  
-- **Kolada**: Municipal KPIs and regional data
-- **Riksbanken**: Exchange rates, interest rates (EUR/SEK, USD/SEK)
-- **Swecris**: Research projects (Bearer token auth)
-- **CSN**: Student aid statistics (PX-Web format)
-
-### International Sources  
-- **Eurostat**: EU statistics (JSON-stat 2.0 format)
-- **WHO**: Global health indicators (GHO API)
-- **OECD**: Economic indicators (SDMX format)
-- **World Bank**: Development data (JSON format, v2 API)
+### Swedish Sources (Research-Verified 2024)
+- **Skolverket**: Education data, compact school units with coordinates (HAL+JSON v3)
+- **SCB**: Population statistics via POST requests (Rate limit: 10/10 sec)  
+- **Kolada**: Municipal KPIs and regional data (No auth required)
+- **Riksbanken**: Latest exchange rate observations (SWEA v1 API with public key)
+- **Swecris**: Research projects (Bearer token: VRSwecrisAPI2025-1)
+- **CSN**: Student finance statistics (PX-Web API format)
+
+### International Sources (Research-Verified 2024)
+- **Eurostat**: EU demographic density statistics (JSON-stat 2.0 format)
+- **WHO**: Global health dimensions via GHO OData API (No auth required)
+- **OECD**: Economic data via SDMX-JSON format (stats.oecd.org)
+- **World Bank**: Population indicators via API v2 (format=json)
 
 ## 🚀 **Simple Workflow**