PUBLICAPI / API directory

Find your next API.
Know the limits. Build further.

A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.

Categories (61)

transport

INWEVA werkdagen 2012 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2012") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2012 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2013 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2013") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2013 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2014 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2014") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2014 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2015 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2015") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2015 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2016 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2016") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2016 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2019 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2019") registered in the national data.overheid.nl catalog. Original Dutch description: De verkeersintensiteiten van 2019 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2022 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2022") registered in the national data.overheid.nl catalog. Original Dutch description: De gemiddelde verkeersintensiteiten van 2022 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2023 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2023") registered in the national data.overheid.nl catalog. Original Dutch description: De gemiddelde verkeersintensiteiten van 2023 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2024 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2024") registered in the national data.overheid.nl catalog. Original Dutch description: De gemiddelde verkeersintensiteiten van 2024 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

transport

INWEVA werkdagen 2025 (Overheid Open Data)

Dutch public-sector open dataset and API ("INWEVA werkdagen 2025") registered in the national data.overheid.nl catalog. Original Dutch description: De gemiddelde verkeersintensiteiten van 2024 op werkdagen op het HWN met uitsplitsing naar verschillende periodes en voertuig categorieen.

Access: No keyPrice: FreeType: API

profiles

developer-tools

IotCentralClient (azure.com)

OpenAPI-specified service (azure.com:iotcentral, version 2018-09-01): Use this API to manage IoT Central Applications in your Azure subscription.

Type: API

profiles

developer-tools

iotDpsClient — deviceprovisioningservices-iotdps (azure.com)

OpenAPI-specified service (azure.com:deviceprovisioningservices-iotdps, version 2018-01-22): API for using the Azure IoT Hub Device Provisioning Service features.

Type: API

profiles

developer-tools

iotDpsClient — provisioningservices-iotdps (azure.com)

OpenAPI-specified service (azure.com:provisioningservices-iotdps, version 2017-11-15): API for using the Azure IoT Hub Device Provisioning Service features.

Type: API

profiles

developer-tools

iotHubClient (azure.com)

OpenAPI-specified service (azure.com:iothub, version 2019-07-01-preview): Use this API to manage the IoT hubs in your Azure subscription.

Type: API

profiles

developer-tools

IoTSpacesClient (azure.com)

OpenAPI-specified service (azure.com:iotspaces, version 2017-10-01-preview): Use this API to manage the IoTSpaces service instances in your Azure subscription.

Type: API

profiles

security

IoTVAS API (firmalyzer.com)

OpenAPI-specified web service (firmalyzer.com, version 1.0): IOTVAS API enables you to discover IoT/Connected devices in the network and provides detailed real-time risk analysis, including firmware vulnerability analysis without requiring the user to upload the firmware file. Please visit the signup page to create an API key. IoTVAS API can be easily integrated with vulnerabili

Type: API

profiles

geocoding

IP 2 Country

Map an IP to a country

Access: No keyType: API

HTTPS: Yes

github-public-apis

geocoding

IP Address Details

Find geolocation with ip address

Access: No keyType: API

HTTPS: Yes

github-public-apis

geocoding

IP Geolocation

Geolocate website visitors from their IPs

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

IP geolocation API (abstractapi.com)

OpenAPI-specified web service (abstractapi.com, version 1.0.0): Abstract IP geolocation API allows developers to retrieve the region, country and city behind any IP worldwide. The API covers the geolocation of IPv4 and IPv6 addresses in 180+ countries worldwide. Extra information can be retrieved like the currency, flag or language associated to an IP.

Type: API

profiles

security

IP Geolocation API (bigdatacloud.net)

OpenAPI-specified web service (bigdatacloud.net, version 1.0.0): BigDataCloud's IP Geolocation API returns detailed information about the geographical location, ownership and connectivity of the provided IPv4 IP address. This API is powered by patent-pending ‘Next Generation IP Geolocation Technology'. As a result, the API has sub-millisecond response time. You can authenticate the

Type: API

profiles

geocoding

IP Vigilante

Free IP Geolocation API

Access: No keyType: API

HTTPS: Yes

github-public-apis

geocoding

ip-api

Find location with IP address or domain

Access: No keyType: API

HTTPS: No

github-public-apis

geocoding

IP-API.io

IP geolocation with VPN/proxy/Tor detection, reputation and risk score

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

development

ip-fast.com

IP address, country and city

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

ip.app

ip.app (Geocoding): IP, ASN, geolocation, timezone, security, user-agent in plain text, JSON or HTTP headers

Access: No keyType: API

profiles

geocoding

ip2geo.dev

Programmatically convert IP addresses into geolocation data

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geocoding

IP2Location

IP geolocation web service to get more than 55 parameters

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

geography

IP2Location IP Geolocation

OpenAPI-specified web service (ip2location.com, version 1.0): IP2Location web service providing a service to do a reverse lookup of an IP address to an ISO3166 country code, region or state, city, latitude and longitude, ZIP/Postal code, time zone, Internet Service Provider (ISP) or company name, domain name, net speed, area code, weather station code, weather station name, mobil

Type: API

profiles

geography

IP2Location IP Geolocation (ip2location.com)

OpenAPI-specified service (ip2location.com:geolocation, version 1.0): IP2Location web service providing a service to do a reverse lookup of an IP address to an ISO3166 country code, region or state, city, latitude and longitude, ZIP/Postal code, time zone, Internet Service Provider (ISP) or company name, domain name, net speed, area code, weather station code, weather station name, mobil

Type: API

profiles

geography

IP2Location.io

IP2Location.io (Geocoding): Free IP geolocation API to geolocate user's location information

Access: Personal API keyType: API

profiles

geography

IP2Location.io IP Geolocation API

OpenAPI-specified web service (ip2location.io, version 1.0): IP2Location.io IP Geolocation API provides RESTful API to obtain visitors’ geolocation information such as country, region, city, latitude & longitude, ZIP code, time zone, ASN, ISP, domain, net speed, IDD code, area code, weather station data, MNC, MCC, mobile brand, elevation, usage type, address type, advertisement

Type: API

profiles

geocoding

IP2Proxy

Detect proxy and VPN using IP address

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

geography

IP2Proxy Proxy Detection

OpenAPI-specified web service (ip2proxy.com, version 1.0): IP2Proxy allows instant detection of anonymous proxy, VPN, TOR exit nodes, search engine robots (SES), data center ranges (PX2-PX10), residential proxies (PX10) and VPN provider name (PX11) by IP address. It also returns the threat type of the proxy (PX9 or higher). Visit https://www.ip2location.com/web-service/ip2prox

Type: API

profiles

geography

IP2WHOIS Domain Lookup

OpenAPI-specified web service (ip2whois.com, version 1.0): IP2WHOIS is a free tool to allow you to check WHOIS information for a particular domain, such as domain assigned owner contact information, registrar information, registrant information, location and much more.

Type: API

profiles

developer-tools

IP2WHOIS Hosted Domain Lookup

IP2WHOIS Hosted Domain Lookup (Development): WHOIS domain name and hosted domain lookup

Access: Personal API keyType: API

profiles

development

IP2WHOIS Information Lookup

WHOIS domain name lookup

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

geocoding

IP99

IP geolocation with proxy, VPN and datacenter risk and the age of the evidence

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geocoding

ipapi.co

Find IP address location information

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

ipapi.co IP Location

ipapi.co IP Location (Geocoding): Find IP address location information

Access: No keyType: API

profiles

geocoding

ipapi.com

Real-time Geolocation & Reverse IP Lookup REST API

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

developer-tools

ipapi.is

ipapi.is (Development): Public IP Address API with company, ASN and hosting detection support

Access: No keyType: API

profiles

security

IPASIS

IPASIS (Fraud Prevention): Real-time bot detection and fraud prevention API combining IP reputation, proxy/VPN detection, and email validation in a single call

Access: Personal API keyType: API

profiles

development

ipfind.io

Geographic location of an IP address or any domain name along with some other useful information

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

developer-tools

IPFinder

IPFinder (Development): Geolocation API,ASN API,IP Ranges API,IP Firewall API,Domain API

Access: Personal API keyType: API

profiles

geocoding

IPGEO

Unlimited free IP Address API with useful information

Access: No keyType: API

HTTPS: Yes

github-public-apis

developer-tools

IPGEO

IPGEO (Development): Unlimited free IP Address API with useful information

Access: No keyType: API

profiles

geocoding

ipgeolocation

IP Geolocation AP with free plan 30k requests per month

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

ipgeolocation

ipgeolocation (Geocoding): Find geolocation of any IP address with IP Geolocation API

Access: Personal API keyType: API

profiles

geocoding

ipgeolocationapi

IP geolocation with ASN, timezone, currency and threat data, 5,000 keyless calls a day

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

From discovery to implementation

Build with understanding.

Practical API integration guides, separate from catalog listings.

All guides →

A guide for your situation

Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.

Saving is not configured. No answers or contact details are submitted or saved.

Which integration step helps you move forward?

30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.

JavaScript is required for this guide.

Contact & corrections

Send a question or report a correction using this form.

Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information

Preview: sending is not configured. This form does not send or save anything.