Mock sample for your project: Trello API

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

Endpoints for system utilities. e.g.Health

Code against the Bitbucket API to automate simple tasks, embed Bitbucket data into your own site, build mobile or desktop apps, or even add custom UI add-ons into Bitbucket itself using the Connect framework.

Build secure and scalable custom apps for Online Booking. Our flexible API provides many options for availability and booking.
Take the API for a test drive. Just click on the Authorize button below and authenticate.
You can access our demo company profile if you are not a customer, or your own profile by using your assigned ClientId and Secret.
The API has two interfaces, consumer and setup.
The consumer interface provides all the endpoints required for implementing consumer booking flows.
The setup interface provides endpoints for profile configuration and setup.
Toggle freely between the two interfaces using the swagger tool bar option labelled 'Select a definition'.

The GoToMeeting API provides seamless integration of GoToMeeting provisioning and meeting management into your existing infrastructure or third party applications. For customers, the ability to add, suspend or delete an organizer in your GoToMeeting Corporate account from within your primary management systems simplifies and streamlines the entire process of account management. The ability to monitor meeting schedules, history and active meeting status allows managers to leverage GoToMeeting activities through your primary applications. For third parties, the ability to create, update or delete a meeting from within your application makes real-time collaboration possible for your customers. The ability to update meeting schedules, view history and scheduled meetings, and view attendees from past meetings allows you to enhance your users' experience and the value of your applications.

Hello and welcome!
To make use of the Public Beta collection as it's written, please duplicate this database template.
Create an integration to retrieve an API token, add your database and page ID's as variables in the collection, and start making your requests!
For our full documentation, including sample integrations and guides, visit developers.notion.com
Need more help? Join our developer community on Slack

One way to interact with the Slack platform is its HTTP RPC-based Web API, a collection of methods requiring OAuth 2.0-based user, bot, or workspace tokens blessed with related OAuth scopes.

Greenpeace Greenwire allows you connect with other volunteers, activists and groups working on environmental campaigns all across the world!

A router of public health data from multiple senders and receivers

Public APIs for managing VS Codespaces

Stack Exchange is a network of 130+ Q&A communities including Stack Overflow.

Slicebox - safe sharing of medical images