internal

71 endpoints match this tag.

Bidding Zones

GET
/electricity/zones

List all 9 Nordic electricity bidding zones with their codes, names, and countries. Norway has 5 zones (NO1-NO5) and Sweden has 4 zones (SE1-SE4), each with potentially different electricity prices due to grid capacity and local supply/demand. Use this to discover valid zone codes for the other electricity endpoints. Essential reference data for Nordic energy apps and smart home systems.

Nordic Electricity

Curated Dataset Detail

GET
/curated/datasets/:id

Get a specific curated dataset by ID.

Estonia

Curated Datasets

GET
/curated/datasets

List all curated (scraped) datasets with content hashes and staleness info.

Estonia

Misc Estonian Registries Index

GET
/estonian-misc

Index of additional Estonian data sources: road register, internet coverage map, council meeting systems.

Estonia

Misc Registry Detail

GET
/estonian-misc/:name

Get detail for a specific misc registry by name.

Estonia

Estonian Utility Rates

GET
/estonian-utilities

All Estonian utility rates in one response: water (Tallinna Vesi), district heating (Utilitas), electricity network fees (Elektrilevi), natural gas, and waste collection. Includes regulated prices, service providers, and links to official sources. Prices are approved by the Competition Authority (Konkurentsiamet).

Estonia

Estonian Utility by Type

GET
/estonian-utilities/:type

Get rates for a specific utility type: water, heating, electricity, gas, or waste.

Estonia

Webcam Categories

GET
/estonian-webcams/categories

List all webcam categories with camera counts.

Estonia

Webcam Cities

GET
/estonian-webcams/cities

List all cities with webcams and camera counts.

Estonia

Estonian Public Webcams

GET
/estonian-webcams

121 public webcams across 50+ locations in Estonia: broadcast tower panoramas (HLS from 150-314m), city views, beaches, lakes, rivers, harbours, lighthouses, ski resorts, wildlife cameras (eagles, seals, storks), and more. Each camera includes name, city, GPS coordinates, category, source, and direct image/stream URL. Cameras with JPEG or HLS URLs include AI-estimated calibration data (pitch, roll, FOV, sky %). Filter by city or category.

Estonia

Arbitrage Detection

GET
/arbitrage

Scan for triangular arbitrage opportunities across a set of currencies. Triangular arbitrage exploits pricing inconsistencies when converting through three currencies (e.g., USD->EUR->GBP->USD) yields more than the starting amount. Returns any detected opportunities with the currency path and profit percentage. Educational tool for understanding FX markets, and useful for fintech apps demonstrating market efficiency concepts.

Finance & Currency

Period Comparison

GET
/compare

Compare a currency pair's current rate against its rate from yesterday, 1 week ago, 1 month ago, 3 months ago, and 1 year ago, with percentage change for each period. Gives instant context about whether a currency is trending up or down over different timeframes. Perfect for currency converter apps that want to show users if now is a good or bad time to exchange.

Finance & Currency

List Countries

GET
/countries

Get all 49 countries supported by the currency system, each with their ISO country code, full name, official currency code, geographic region, and flag emoji. Optionally filter by region (e.g., Europe, Asia). Useful for building country selectors in currency apps, mapping which countries use which currencies, and populating geo-filtered dropdowns.

Finance & Currency

Country Detail

GET
/countries/:code

Look up detailed currency information for a specific country by its ISO country code. Returns the country name, currency code, geographic region, and flag emoji. Useful when you know the country and need to determine its currency for conversion or display purposes, such as auto-detecting a user's currency from their country setting.

Finance & Currency

Crypto to Fiat Conversion

GET
/crypto/convert

Convert any cryptocurrency amount into any of the 30 supported fiat currencies using live CoinGecko prices and ECB exchange rates. Returns the conversion rate and calculated result. Ideal for crypto portfolio apps that need to show holdings in local currency, payment processors converting crypto to fiat, and trading tools that need quick fiat-equivalent calculations.

Finance & Currency

Crypto Price History

GET
/crypto/history/:coin_id

Get historical price snapshots for any of the top 50 cryptocurrencies. Prices are recorded every 10 minutes, giving up to 144 data points per day per coin. Filter by date range or limit the number of results. Ideal for building price charts, backtesting strategies, and tracking price trends over time.

Finance & Currency

Crypto OHLC

GET
/crypto/ohlc/:coin_id

Get Open/High/Low/Close price data for a cryptocurrency on a specific date. Computed from the 10-minute snapshots stored throughout the day. Perfect for candlestick charts and daily price summaries.

Finance & Currency

Crypto History Summary

GET
/crypto/summary/:coin_id

Get aggregate statistics for a coin's price history: total data points, date range covered, and min/max/average USD prices. Useful for understanding how much historical data is available and getting a quick statistical overview.

Finance & Currency

Countries by Currency

GET
/currencies/:code/countries

Find all countries that use a specific currency. For example, querying EUR returns all 20 Eurozone nations. Returns country codes and names for each match. Useful for understanding the geographic reach of a currency, building educational tools, or determining which countries are affected when a particular currency fluctuates.

Finance & Currency

Significant Dates in Forex History

GET
/history/significant

Get a curated list of historically significant dates in financial history - events like the Lehman Brothers collapse (2008-09-15), the Brexit vote (2016-06-24), the COVID crash (2020-03-12), and more - each paired with exchange rate data from that date. Useful for educational apps, financial history timelines, and demonstrating how major world events impact currency markets.

Finance & Currency

Cross-Rate Matrix

GET
/matrix

Generate a full NxN cross-rate table for any selection of currencies. Every currency is shown against every other currency in a single response, like the exchange rate boards at airports. Useful for forex comparison tables, travel apps showing multiple currency pairs, and financial dashboards that need to display all possible combinations at once.

Finance & Currency

Currency Pair Detail

GET
/pair/:base/:target

Get a detailed profile for a specific currency pair, including the latest rate, recent historical rates, and percentage change over time. Designed for building dedicated currency pair pages (e.g., EUR/USD detail view) with trend information. More focused than the general rates endpoint, giving you pair-specific analytics in one call.

Finance & Currency

High / Low / Average

GET
/range

Find the minimum, maximum, and average exchange rate for any currency pair over a custom date range. Returns the exact dates when the high and low occurred, making it easy to identify the best and worst conversion moments. Useful for negotiating contract rates, analyzing seasonal currency patterns, and providing users with context about current rates relative to recent history.

Finance & Currency

Currency Rankings

GET
/rankings

Rank all 30 supported currencies by their daily performance against a chosen base currency. Each entry includes the currency code, current rate, percentage change, and direction (up/down). Ideal for building currency leaderboards, market overview screens, and identifying the day's strongest and weakest currencies at a glance.

Finance & Currency

Moving Average (SMA)

GET
/sma

Calculate the Simple Moving Average (SMA) for any currency pair over a configurable number of days (default 30). The SMA smooths out daily rate fluctuations to reveal the underlying trend. Widely used in technical analysis for forex trading signals - when the current rate crosses above or below the SMA, it can indicate trend reversals. Also useful for setting fair exchange rates in business contracts.

Finance & Currency

All VAT Rates

GET
/vat

Get current Value Added Tax (VAT) rates for all 32 EU and EEA countries, including standard rates, reduced rates, and super-reduced rates where applicable. Essential for e-commerce platforms selling to European customers, tax compliance tools, invoice generators, and any business that needs to apply the correct VAT rate based on the buyer's country.

Finance & Currency

VAT Calculator

GET
/vat/calculate

Calculate the VAT amount and total price (net + VAT) for a given amount and country. Automatically applies the correct VAT rate for the specified EU/EEA country. Optionally converts the total into another currency using live exchange rates. Perfect for building pricing calculators, checkout summaries, and invoice generators that need to show net amount, VAT, and total in the customer's preferred currency.

Finance & Currency

Country VAT Rate

GET
/vat/:country_code

Get the VAT rate details for a specific EU/EEA country by its ISO country code. Returns the standard rate, reduced rate, and the country's local currency. Ideal for checkout flows where you know the customer's country and need to calculate the correct tax, or for displaying country-specific pricing information on product pages.

Finance & Currency

Volatility

GET
/volatility

Measure the volatility of a currency pair by calculating the standard deviation of daily rate changes over a configurable period (default 30 days). Returns the volatility score and mean daily change percentage. Essential for risk assessment in international trade, hedging decisions, setting appropriate margins on currency conversion services, and understanding how stable or turbulent a currency pair has been recently.

Finance & Currency

City Air Quality History

GET
/airquality/history/:city

Hourly air quality snapshots for a supported city, recorded by our own workers every hour. Returns PM10, PM2.5, carbon monoxide, nitrogen dioxide, sulphur dioxide, ozone, US AQI, and European AQI. Filter with ?start and ?end. Useful for long-term pollution studies, comparing cities, evaluating trends for regulatory reporting, and powering dashboards without rate limits on upstream providers.

Geo & Weather

Available Cities

GET
/weather/cities

Get the full list of 30 major cities that support city-name-based weather lookups. Returns city names and their coordinates. Use this to populate city dropdown menus or validate user input before calling the weather endpoints. Covers global capitals and major urban centers across all continents.

Geo & Weather

City Weather History

GET
/weather/history/:city

Hourly weather snapshots for a supported city, stored continuously by our own workers from the top of every hour. Returns temperature, apparent temperature, humidity, precipitation, wind speed/direction, weather code, and cloud cover. Filter with ?start and ?end (ISO 8601 or YYYY-MM-DD). Useful for building long-running climate dashboards, comparing conditions across cities over time, and analyzing hourly weather patterns without hitting upstream archive APIs.

Geo & Weather

Carbon Calculator

GET
/carbon/calculate

Calculate the CO2 emissions (in kg) for a specific activity and amount. Supports activities like flights, driving, electricity usage, and heating. Provide the activity type and amount (e.g., kilometers driven, kWh consumed). Returns the total CO2 equivalent. Useful for personal carbon footprint trackers, corporate sustainability reporting tools, and environmental awareness apps that help users understand their impact.

Science & Space

Carbon Emission Factors

GET
/carbon/factors

Get a comprehensive list of carbon emission factors for common activities including driving, flying (short/medium/long haul), electricity usage, heating, and more. Each factor shows the CO2 equivalent in kilograms per unit of activity. Use this reference data to understand available activities before calling the carbon calculator. Essential for building environmental impact tools and sustainability dashboards.

Science & Space

Flight Carbon Footprint

GET
/carbon/flight

Calculate the CO2 emissions for a specific flight route by providing origin and destination coordinates. Uses great-circle distance and aviation emission factors to estimate the carbon footprint in kilograms of CO2. Useful for travel booking apps that display environmental impact, carbon offset calculators, and corporate travel sustainability reporting. Supports any two points on Earth.

Science & Space

Light Pollution Estimate

GET
/lightpollution

Get an estimated Bortle class (1-9) for any location based on nearby population density. This is an estimate, not a satellite measurement - it uses weighted population within 100km to approximate sky brightness. Returns Bortle class, sky quality rating, estimated naked-eye star count, SQM (Sky Quality Meter) estimate, and aurora viewing suitability. Accurate for major cities and remote areas; less precise for suburbs. Useful for astronomy apps, aurora tourism, astrophotography planning, and dark sky awareness.

Science & Space

Generate Avatar

GET
/avatars/generate

Generate unique avatar image URLs from a seed string (like a username or email). Returns URLs from three different services: DiceBear (17 art styles, SVG/PNG), UI Avatars (initials-based), and RoboHash (robots/monsters). The same seed always produces the same avatar, making it perfect for user profile defaults.

Developer Utilities

Available Avatar Styles

GET
/avatars/styles

List all 17 available avatar art styles from DiceBear including adventurer, pixel-art, bottts (robots), lorelei, and more. Each style produces a completely different visual aesthetic for generated avatars.

Developer Utilities

Barcode Generator

GET
/barcode/generate

Generate a barcode image URL in any supported format (Code 128, Code 39, EAN-13, UPC-A, etc.). Provide the barcode type and data to encode, and receive a URL to the rendered barcode image. Useful for inventory management systems, shipping label generators, product labeling tools, event ticket systems, and retail applications that need to create scannable barcodes programmatically.

Developer Utilities

Barcode Types

GET
/barcode/types

List all supported barcode formats for generation, including Code 128, Code 39, EAN-13, EAN-8, UPC-A, QR Code, Data Matrix, and more. Use this to discover which barcode types are available and their characteristics before generating barcodes. Useful for inventory management apps and shipping label generators that need to select the right barcode format.

Developer Utilities

Bike Sharing Networks

GET
/bikes/networks

Get a list of all bike-sharing networks worldwide from the CityBikes API, covering 600+ cities across the globe. Returns network names, cities, countries, and network IDs. Useful for building urban mobility apps, bike-sharing aggregators, sustainable transportation dashboards, and city comparison tools that evaluate cycling infrastructure.

Developer Utilities

Bike Stations

GET
/bikes/network/:network

Get all bike docking stations in a specific bike-sharing network, including the number of available bikes and empty slots at each station in real-time. Provide the network ID (e.g., oslo-bysykkel for Oslo City Bike). Useful for building bike-sharing apps, urban mobility dashboards, station availability maps, and tools that help cyclists find the nearest available bike or empty dock. Data from CityBikes covering 600+ cities worldwide.

Developer Utilities

Color Info

GET
/colors/:hex

Get comprehensive information about any color by its hex code. Returns the closest named color, RGB, HSL, HSV, and CMYK values, contrast suggestions, and a preview image URL. Useful for design tools, accessibility checkers that need color contrast data, color conversion utilities, and educational apps teaching color theory.

Developer Utilities

Color Palette

GET
/colors/scheme/:hex

Generate a harmonious color palette from any starting hex color. Supports multiple color theory modes: analogic, complement, monochrome, triad, quad, and more. Returns a configurable number of colors (default 5), each with hex, RGB, and HSL values. Useful for design tools, theme generators, brand color exploration, and any creative application that needs to derive related colors from a base color.

Developer Utilities

DNS Lookup

GET
/dns/lookup

Perform DNS record lookups for any domain name. Supports all major record types: A (IPv4 address), AAAA (IPv6), MX (mail servers), CNAME (canonical name), TXT (text records including SPF/DKIM), NS (nameservers), and SOA (start of authority). Useful for domain troubleshooting tools, email deliverability checkers, DNS monitoring dashboards, and network administration utilities.

Developer Utilities

Reverse DNS

GET
/dns/reverse

Perform a reverse DNS (PTR) lookup to find the hostname associated with an IP address. Takes an IP address and returns its registered hostname. Useful for identifying servers by IP, verifying email sender authenticity, security investigations, and network administration tasks where you need to resolve IPs back to domain names.

Developer Utilities

Random Color

GET
/generate/color

Generate a random color with its hex code, RGB values, HSL values, and a human-readable color name. Useful for design tools that need color inspiration, generative art projects, UI theming features, placeholder color generation, and any creative application that benefits from random color selection.

Developer Utilities

Lorem Ipsum

GET
/generate/lorem

Generate Lorem Ipsum placeholder text with a configurable number of paragraphs (default 3). Returns classic Latin-based dummy text used in design, typesetting, and web development to fill layouts before real content is available. Useful for design mockups, content management system development, print layout testing, and any prototype that needs realistic-looking text blocks.

Developer Utilities

Password Generator

GET
/generate/password

Generate a cryptographically secure random password with configurable length (default 16 characters). Includes uppercase, lowercase, numbers, and special characters for maximum strength. Useful for password manager apps, account creation flows, security tools, and any feature where users need help creating strong passwords. Never reuses or stores generated passwords.

Developer Utilities

Fake User Profile

GET
/generate/user

Generate realistic but entirely fake user profiles for testing and development. Each profile includes a random name, email, username, address, phone number, date of birth, and avatar URL. Useful for populating test databases, UI prototyping with realistic data, demo environments, load testing, and anywhere you need realistic user data without using real personal information.

Developer Utilities

UUID Generator

GET
/generate/uuid

Generate one or more cryptographically random UUID v4 identifiers. UUIDs are universally unique 128-bit identifiers in the standard 8-4-4-4-12 format (e.g., 550e8400-e29b-41d4-a716-446655440000). Useful for generating database primary keys, session tokens, correlation IDs for distributed systems, and any situation where you need globally unique identifiers without a central registry.

Developer Utilities

Supported Hash Algorithms

GET
/hash/algorithms

List all supported cryptographic hash algorithms with their names. Currently supports MD5, SHA-1, SHA-256, SHA-384, and SHA-512.

Developer Utilities

Hash All Algorithms

GET
/hash/all

Generate hashes of an input string using ALL supported algorithms at once (MD5, SHA-1, SHA-256, SHA-384, SHA-512). Returns all five hashes in a single response. Useful for comparing algorithm outputs or generating multiple checksums simultaneously.

Developer Utilities

Compute Hash

GET
/hash

Generate a cryptographic hash of any input string using your choice of algorithm. Supports MD5, SHA-1, SHA-256, SHA-384, and SHA-512. Useful for checksum verification, data integrity checks, and development testing. Computed locally with zero external dependencies.

Developer Utilities

PageSpeed Analysis

GET
/pagespeed/analyze

Analyze any website's performance using the Google PageSpeed Insights API. Returns a 0-100 performance score, Core Web Vitals metrics (LCP, FID, CLS), specific improvement suggestions, and resource load breakdowns. Supports mobile and desktop analysis strategies. Useful for web performance monitoring dashboards, SEO tools, client reporting, and development workflows that track site speed over time.

Developer Utilities

Specific Placeholder Image

GET
/placeholder/:id

Get URLs for a specific placeholder image by its Lorem Picsum ID. Useful when you need a consistent image across page loads rather than random ones.

Developer Utilities

Browse Placeholder Images

GET
/placeholder/list

Browse the Lorem Picsum image catalog with author credits and download URLs. Paginated list of curated, high-quality photographs available as placeholders. Each image includes the photographer's name and original source.

Developer Utilities

Random Placeholder Image

GET
/placeholder/random

Generate URLs for random placeholder images from Lorem Picsum. Perfect for wireframes, mockups, and development. Returns direct image URLs in multiple styles including grayscale and blur effects. No hotlinking limits.

Developer Utilities

QR Code Generator

GET
/qr/generate

Generate a QR code image URL for any text, URL, or data string. Configurable size (default 300px). Returns a URL to a PNG QR code image that can be embedded in web pages, printed on materials, or displayed in apps. Useful for sharing URLs, Wi-Fi credentials, contact cards, event tickets, payment links, and any data that needs to be quickly scannable by mobile devices.

Developer Utilities

API Endpoint Search

GET
/search

Search across all NordAPI endpoints by keyword. Returns matching categories and endpoints with relevance scoring, making it easy to discover available APIs programmatically. Searches endpoint names, descriptions, paths, and parameter names. Useful for building API explorers, documentation search features, integration discovery tools, and chatbots that help users find the right API endpoint for their needs.

Developer Utilities

SSL Certificate Check

GET
/ssl/:domain

Check the SSL/TLS certificate status for any domain. Returns certificate validity, issuer, expiration date, days until expiry, certificate chain details, and protocol support. Useful for monitoring website security, building uptime dashboards that track certificate health, alerting systems that warn before certificates expire, and security audit tools. Checks are performed in real-time against the live server.

Developer Utilities

Real-Time Data Stream (SSE)

GET
/stream

Connect to a Server-Sent Events stream for real-time push updates. Subscribe to broad topics or filter to specific items using the topic:filter syntax. Events include unique IDs for reconnection (pass Last-Event-ID header to resume). Heartbeat keeps the connection alive. Use curl -N or JavaScript EventSource. 14 topics available: exchange rates, crypto, electricity, commodities, economics, holidays, weather, earthquakes, space weather, NASA, sports, news, VAT, and currencies.

Developer Utilities

Stream Topics & Filters

GET
/stream/topics

List all 14 available streaming topics with descriptions, update frequencies, and supported filters. Each topic can be filtered to specific items (e.g. crypto:bitcoin, electricity:NO1, exchange_rates:EUR/USD). Also shows JavaScript EventSource and curl usage examples.

Developer Utilities

URL Shortener

GET
/url/shorten

Shorten any long URL into a compact, shareable short link. Returns the shortened URL that redirects to the original. Useful for social media sharing where character count matters, generating clean links for print materials, tracking link usage, and making long URLs with many parameters more manageable and user-friendly.

Developer Utilities

WHOIS Lookup

GET
/whois/:domain

Look up WHOIS registration data for any domain name. Returns the domain registrar, creation date, expiration date, nameservers, registration status, and available registrant contact information. Useful for domain research tools, brand protection monitoring, checking domain availability and age, due diligence on websites, and building domain management dashboards.

Developer Utilities

Active Shopping Events

GET
/shopping/active

Check which shopping events and sales holidays are currently active right now. Returns any ongoing events with their names, start and end dates, and descriptions. Perfect for e-commerce banners that auto-display during sale events, deal aggregator apps, and marketing automation tools that trigger campaigns during active shopping periods.

World Data

Shopping Calendar

GET
/shopping/calendar/:year

Get the complete calendar of shopping events and sale holidays for an entire year, across all supported countries. Returns every event with dates, descriptions, and categories. Perfect for annual marketing planning, editorial calendars, and retail strategy tools that need to see the full year of commercial events at a glance.

World Data

Shopping Categories

GET
/shopping/categories

Get all available shopping event categories (e.g., general sales, tech deals, fashion events, holiday shopping). Use this to understand how shopping events are classified and to build filtered views of shopping events by category in your application.

World Data

Check Shopping Holiday

GET
/shopping/check

Check whether today is a shopping holiday or sale event in a specific country. Returns a boolean result along with event details if active. Useful for triggering automated sale banners, sending push notifications about ongoing deals, and adjusting pricing strategies during major shopping events like Black Friday.

World Data

Shopping by Country

GET
/shopping/country/:code

Get all shopping events and sale holidays specific to a particular country, including both global events (Black Friday) and country-specific ones (e.g., Boxing Day in the UK, Singles Day in China). Useful for localizing e-commerce promotions and understanding the retail calendar in specific markets.

World Data

Upcoming Shopping Events

GET
/shopping/upcoming

Get the next upcoming global shopping events and sale holidays, such as Black Friday, Cyber Monday, Amazon Prime Day, Singles Day (11.11), Boxing Day, and more. Optionally filter by country for region-specific events. Useful for e-commerce platforms planning promotions, deal-tracking apps, marketing calendar tools, and retail analytics dashboards.

World Data