Mock sample for your project: Ipinfodb.com API

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, mobile country code (MCC), mobile network code (MNC) and carrier brand, elevation, usage type, address type and IAB category. There are also 7 categories of additional add-on response fields supported such as metro, olson time zone, translations and more. Refer to https://www.ip2location.com/web-service/ip2location for further information.

Routing consists of the following service:
Calculate Route
Calculates a route between an origin and a destination, passing through waypoints (if specified). Additional routing parameters like traffic, avoidance conditions, departure/arrival time etc. can be taken into account.
Calculate Reachable Range
Calculates a set of locations that can be reached from the origin point, subject to the available fuel or energy budget that is specified in the request.

Convert an OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude.

Positioning API accepts requests with radio network measurements and replies with corresponding location estimate. For more details and examples, see Developer's Guide. Cellular measurements are given in terms defined in 3GPP and 3GGP2 specifications, see the corresponsing documentation at http://www.3gpp.org.
Breaking changes from v1:
JSON fields
altaccuracy, baselat, baselng, cellparams, pilotpower, pnoffset, powrx, rxlevel,
have been deprecated and replaced with
altAccuracy, baseLat, baseLng, cellParams, pilotPower, pnOffset, rss, rxLevel
respectively.
Dependent parameters combined as a subobject.
CDMA, GSM, WCDMA, TD-SCDMA and LTE local identification parameters for serving cell moved under localId property.
GSM neighbor global ID: lac and cid for neighbor cell moved under globalIdentity property.

API to view feed information and download feeds from TransitFeeds.com

The Google My Business API provides an interface for managing business location information on Google.

Instantly access empirical models of atmospheric density and composition that are recommended by the Committee on Space Research (COSPAR) for satellite drag calculations.
API requests must contain a key "API-Key" in the header (see code samples). Obtain a key from here.
Help us improve the quality of our web APIs by completing our 2 minute survey here.
Amentum Pty Ltd is not responsible nor liable for any loss or damage of any sort incurred as a result of using the API.
Copyright Amentum Pty Ltd 2021.

Global marine weather data from multiple sources in one single API with hourly resolution. Get your API key by visiting the Storm Glass web site.

The Miataru API is very simple and straight forward. Generally you're posting (HTTP POST) a JSON formatted request to a service method locations and you get back a JSON formatted answer. Please take into consideration that this has the request-for-comment status and that it can change while there's work done on client and server applications. Versioning therefore is done by prepending the version number - /v1/ for version 1 - to the method call.

Worldwide forward and reverse geocoding

Furkot provides Rest API to access user trip data.
Using Furkot API an application can list user trips and display stops for a specific trip.
Furkot API uses OAuth2 protocol to authorize applications to access data on behalf of users.