Mock sample for your project: Peel Tune-in API

The Fitness API for managing users' fitness tracking data.

A fully managed and highly scalable data discovery and metadata management service.

This API provides cacheable and straightforward access to Wikimedia content and data, in machine-readable formats.
Global Rules
Limit your clients to no more than 200 requests/s to this API.
Each API endpoint's documentation may detail more specific usage limits.
Set a unique User-Agent or Api-User-Agent header that
allows us to contact you quickly. Email addresses or URLs
of contact pages work well.
By using this API, you agree to Wikimedia's Terms of Use and Privacy Policy. Unless otherwise specified in the endpoint documentation below, content accessed via this API is licensed under the CC-BY-SA 3.0 and GFDL licenses, and you irrevocably agree to release modifications or additions made through this API under these licenses. See https://www.mediawiki.org/wiki/REST_API for background and details.
Endpoint documentation
Please consult each endpoint's documentation for details on:
Licensing information for the specific type of content
and data served via the endpoint.
Stability markers to inform you about development status and
change policy, according to
our API version policy.
Endpoint specific usage limits.

We encapsulate Radio & Music business logic for iPlayer Radio and BBC Music products on all platforms. We add value by reliably providing the right blend of metadata needed by clients.

Manages Apache Airflow environments on Google Cloud Platform.

The Ethiopian Movie Database

Lets you store and retrieve potentially-large, immutable data objects.

Programmatically creates and manages Firebase Dynamic Links.

The PageSpeed Insights API lets you analyze the performance of your website with a simple API. It offers tailored suggestions for how you can optimize your site, and lets you easily integrate PageSpeed Insights analysis into your development tools and workflow.

The Flat API allows you to easily extend the abilities of the Flat Platform, with a wide range of use cases including the following:
Creating and importing new music scores using MusicXML, MIDI, Guitar Pro (GP3, GP4, GP5, GPX, GP), PowerTab, TuxGuitar and MuseScore files
Browsing, updating, copying, exporting the user's scores (for example in MP3, WAV or MIDI)
Managing educational resources with Flat for Education: creating & updating the organization accounts, the classes, rosters and assignments.
The Flat API is built on HTTP. Our API is RESTful It has predictable resource URLs. It returns HTTP response codes to indicate errors. It also accepts and returns JSON in the HTTP body.
The schema of this API follows the OpenAPI Initiative (OAI) specification, you can use and work with compatible Swagger tools.
This API features Cross-Origin Resource Sharing (CORS) implemented in compliance with W3C spec.
You can use your favorite HTTP/REST library for your programming language to use Flat's API. This specification and reference is available on Github.
Getting Started and learn more:
API Overview and introduction
Authentication (Personal Access Tokens or OAuth2)
SDKs
Rate Limits
Changelog

The Google Tasks API lets you manage your tasks and task lists.

Provides polling places, early vote locations, contest data, election officials, and government representatives for U.S. residential addresses.