Contracts
A shared machine-readable understanding of the business and technical requirements established between API producer and consumers.
MBTA
The V3 API provides access to MBTA schedules, alerts, and realtime information. It uses the JSON:API format, so you can get started using any of the available libraries.
MIT
Check out the Roles API today and start using it fast in a few simple steps!
MODIFI
Welcome to the MODIFI partnership API developer hub. Youll find comprehensive guides and documentation to help you start working with partnership API as quickly as possible, as well as support if y...
MTech Systems
The industrys only full supply chain data management with Artificial Intelligence capabilities and Business Intelligence functionality features.
MX Platform
The MX Platform API is a powerful, fully-featured API designed to make aggregating and enhancing financial data easy and reliable. It can seamlessly connect your app or website to tens of thousands...
Macrostrat
Macrostrat is a platform for the aggregation and distribution of geological data relevant to the spatial and temporal distribution of sedimentary, igneous, and metamorphic rocks as well as data ext...
Magellan Midstream Partners
This is the API contract for Magellan Midstream Partners.
Mailchimp
Mailchimp's developer tools provide everything you need to integrate your data with intelligent marketing tools and event-driven transactional email.
Maileroo
Send transactional and marketing emails with ease using a platform designed for high deliverability. Trusted by businesses of all sizes to handle millions of emails every month.
Mailjet
While every business needs an email service platform that can send out vital transactional emails and marketing messages, not every business needs the marketing functions that Mailjet can provide. ...
Mailtrap
Our RESTful API offers reliable email infrastructure with high deliverability rates. SDKs for smooth integration. Industry best actionable analytics.
Mandatory Reserves Requirement
This is the API contract for Mandatory Reserves Requirement.
Manifest Cyber
This is the official public/external documentation for the Manifest Cyber v1 API. This API is used by Manifests frontend apps, internal ETL
MapQuest
The Traffic Incidents request returns a structured list of traffic incidents for a specified bounding box in JSON or XML formats, e.g., road construction, traffic collisions.
Mapbox
Mapbox is a leading mapping and location data platform that provides tools and services to help developers and businesses create custom maps, visualize geospatial data, and build location-aware app...
Marginalia Search
An API for the search engine is available through api.marginalia.nu, or api.marginalia-search.com. Both endpoints are equivalent and will work as long as the project does.
Marine Mammal Commission
The Marine Mammal Commission is devastated to learn of the loss of our dear colleague Dr. Armando Jaramillo-Legorreta. For decades Armando has been at the heart and a hero of the international tea...
Marketo
Marketo develops and sells marketing automation software for account-based marketing and other marketing services and products, including SEO and content creation.
Markwest Energy Partners
This is the API contract for Markwest Energy Partners.
Martin Marietta Materials
This is the API contract for Martin Marietta Materials.
Marvel
The Marvel Comics API allows developers everywhere to access information about Marvels vast library of comics—from whats coming up, to 70 years ago.
Maryland Transit Administration
MTA supports open transit data initiatives and makes resources available to developers and applications. We primarily use the General Transit Feed Specification (GTFS) to convey schedule, geographi...
Mask API
Welcome to Mask API! Mask API is a powerful and flexible tool designed to help programmers and companies customize the response format of endpoint APIs.
Massachusetts Mutual Life Insurance
This is the API contract for Massachusetts Mutual Life Insurance.
Mastercard
Mastercard is a leading global payments technology company that connects consumers, businesses, merchants, and governments worldwide. The company provides innovative payment solutions, including cr...
Mastercard Developer Hub For Fdx Apis
This is the API contract for Mastercard Developer Hub For Fdx Apis.
Mastercard Developer Hub for FDX APIs
The Financial Data Exchange (FDX) is a nonprofit industry standards body that created the FDX API, a technical standard for user-permissioned financial data sharing. The FDX API standard, like othe...
Mastercard Gateway API
Understanding the Gateway API. Whether youre a coding maestro or just starting out, our intuitive interface and robust API have been meticulously crafted to ensure that integrating payments into yo...
Mastodon
Mastodon is a open source, self-hosted, social networking service. Mastodon uses the ActivityPub protocol for federation which allows users to communicate between independent Mastodon instances and...
Mastodon Instances
A search instance of other Mastodon social platform instances, allowing for the discovery of APIs behind each individual instance.
Mastra
From the team that brought you Gatsby: prototype and productionize AI features with a modern JavaScript stack.
Materials Project
The Materials Project API allows anyone to have direct access to current, up-to-date information from the Materials Project database in a structured way.This allows for analysis, development of aut...
Maxim Integrated Products
This is the API contract for Maxim Integrated Products.
MealMe
Restaurant and Grocery Food Ordering APIGet menus/inventory and send orders to the POS of 1M restaurants and grocery stores out of the box
MediaBeacon
One of our strengths is MediaBeacons highly flexible architecture and open APIs that enable integration into many products on todays market. By connecting other systems into your Digital Asset Mana...
Meilisearch
Discover our guides, examples, and APIs to build fast and relevant search experiences with Meilisearch.
Memco
Transform your platform into a hub of shared knowledge. Enable your users AI agents to learn from each other while maintaining security and privacy.
Mention
Mention’s real-time API gives you social media and webcrawling without building anything yourself.
Mercedes-Benz
Mercedes-Benz is a renowned luxury automobile manufacturer that produces a wide range of vehicles, from sedans and SUVs to sports cars and electric vehicles. Founded in 1926 in Germany, the company...
Merge
Merge is a Unified API that offers developers the ability to embed customer-facing API integrations in their products without the need to configure on a per-integration basis. With this integration...
MeridianLink
A powerful web service enabling software applications to retrieve consumer credit data in XML format.
Merit Systems Protection Board
The Merit System Principles are nine basic standards governing the management of the executive branch workforce.
Messaging
This is a template APIs.json for a messaging API, to be used in storytelling, training, and knowledge bases.
Meta
Meta Platforms, Inc., doing business as Meta, and formerly named Facebook, Inc., and TheFacebook, Inc., is an American multinational technology conglomerate based in Menlo Park, California. The com...
Metaldyne Performance Group
This is the API contract for Metaldyne Performance Group.
Metals-API
Silver Price API|Precious metals rates and currency conversion JSON API
Metals.Dev
Metals.Dev API provides a simple to use, developer friendly, JSON API for spot prices of precious metals, industrial metals and currency conversion rates. We provide affordable pricing, which makes...
MeteoSource Air Quality Data API
Access air quality data through our API for any location on Earth - hour-by-hour pollution up to 5-days.
Meteor
Documentation, resources, and API references to help you build and deploy with Meteor.Get Started
Metra
The Metra GTFS API is hosted at https://gtfsapi.metrarail.com and provides both RAW data and JSON. With all of our feeds, and as part of the conditions under the License Agreement, you may retrieve...
Metro Transit
API for creating Metro Transit real-time departure information display (beta, subject to change)
Mettler Toledo International
This is the API contract for Mettler Toledo International.
Mgm Resorts International
This is the API contract for Mgm Resorts International.
Mia-Platform
Harmonize infrastructure, applications and data for intelligent engineering at scale
Micro Service Architecture
This is the API contract for Micro Service Architecture.
Microcks
The open source, cloud native tool for API Mocking and Testing Getting Started in 3 minutes Microcks is fully community-driven Shorten the feedback loop ...
Microservice Architecture
This is the API contract for Microservice Architecture.
Microservice Architecture Patterns
This is the API contract for Microservice Architecture Patterns.
Microservices Architecture
This is the API contract for Microservices Architecture.
Microservices Design Patterns
This is the API contract for Microservices Design Patterns.
Microsoft Active Directory
This is the API contract for Microsoft Active Directory.
Microsoft Azure
Microsoft Azure, often referred to as Azure is a cloud computing platform run by Microsoft. It offers access, management, and the development of applications and services through global data center...
Microsoft Azure Active Directory
This is the API contract for Microsoft Azure Active Directory.
Microsoft Azure Advisor
This is the API contract for Microsoft Azure Advisor.
Microsoft Azure Ai Foundry
This is the API contract for Microsoft Azure Ai Foundry.
Microsoft Azure Api Management
This is the API contract for Microsoft Azure Api Management.
Microsoft Azure App Service
This is the API contract for Microsoft Azure App Service.
Microsoft Azure Application Gateway
This is the API contract for Microsoft Azure Application Gateway.
Microsoft Azure Automation
This is the API contract for Microsoft Azure Automation.
Microsoft Azure Bastion
This is the API contract for Microsoft Azure Bastion.
Microsoft Azure Blob Storage
This is the API contract for Microsoft Azure Blob Storage.
Microsoft Azure Cache For Redis
This is the API contract for Microsoft Azure Cache For Redis.
Microsoft Azure Communication Services
This is the API contract for Microsoft Azure Communication Services.
Microsoft Azure Container Instances
This is the API contract for Microsoft Azure Container Instances.
Microsoft Azure Container Registry
This is the API contract for Microsoft Azure Container Registry.
Microsoft Azure Cosmos Db
This is the API contract for Microsoft Azure Cosmos Db.
Microsoft Azure Cost Management
This is the API contract for Microsoft Azure Cost Management.
Microsoft Azure Data Factory
This is the API contract for Microsoft Azure Data Factory.
Microsoft Azure Data Lake
This is the API contract for Microsoft Azure Data Lake.
Microsoft Azure Databricks
This is the API contract for Microsoft Azure Databricks.
Microsoft Azure Event Grid
This is the API contract for Microsoft Azure Event Grid.
Microsoft Azure Event Hubs
This is the API contract for Microsoft Azure Event Hubs.
Microsoft Azure Express Route
This is the API contract for Microsoft Azure Express Route.
Microsoft Azure File Storage
This is the API contract for Microsoft Azure File Storage.
Microsoft Azure Firewall
This is the API contract for Microsoft Azure Firewall.
Microsoft Azure Front Door
This is the API contract for Microsoft Azure Front Door.
Microsoft Azure Functions
This is the API contract for Microsoft Azure Functions.
Microsoft Azure Integration Services
This is the API contract for Microsoft Azure Integration Services.
Microsoft Azure Key Vault
This is the API contract for Microsoft Azure Key Vault.
Microsoft Azure Kubernetes Service
This is the API contract for Microsoft Azure Kubernetes Service.
Microsoft Azure Load Balancer
This is the API contract for Microsoft Azure Load Balancer.
Microsoft Azure Logic Apps
This is the API contract for Microsoft Azure Logic Apps.
Microsoft Azure Machine Learning
This is the API contract for Microsoft Azure Machine Learning.
Microsoft Azure Migrate
This is the API contract for Microsoft Azure Migrate.
Microsoft Azure Monitor
This is the API contract for Microsoft Azure Monitor.
Microsoft Azure Networking
This is the API contract for Microsoft Azure Networking.
Microsoft Azure Notification Hubs
This is the API contract for Microsoft Azure Notification Hubs.
Microsoft Azure Pipelines
This is the API contract for Microsoft Azure Pipelines.
Microsoft Azure Postgresql
This is the API contract for Microsoft Azure Postgresql.
Microsoft Azure Private Link
This is the API contract for Microsoft Azure Private Link.
Microsoft Azure Queue Storage
This is the API contract for Microsoft Azure Queue Storage.
Microsoft Azure Service Bus
This is the API contract for Microsoft Azure Service Bus.
Microsoft Azure Service Fabric
This is the API contract for Microsoft Azure Service Fabric.
Microsoft Azure Signalr
This is the API contract for Microsoft Azure Signalr.
Microsoft Azure Site Recovery
This is the API contract for Microsoft Azure Site Recovery.
Microsoft Azure Sql Database
This is the API contract for Microsoft Azure Sql Database.
Microsoft Azure Stream Analytics
This is the API contract for Microsoft Azure Stream Analytics.
Microsoft Azure Synapse Analytics
This is the API contract for Microsoft Azure Synapse Analytics.
Microsoft Azure Traffic Manager
This is the API contract for Microsoft Azure Traffic Manager.
Microsoft Azure Virtual Machines
This is the API contract for Microsoft Azure Virtual Machines.
Microsoft Azure Web Pubsub
This is the API contract for Microsoft Azure Web Pubsub.
Microsoft Bot Framework
This is the API contract for Microsoft Bot Framework.
Microsoft Cognitive Services
This is the API contract for Microsoft Cognitive Services.
Microsoft Endpoint Configuration Management
This is the API contract for Microsoft Endpoint Configuration Management.
Microsoft Entity Framework
This is the API contract for Microsoft Entity Framework.
Microsoft Excel Advanced
This is the API contract for Microsoft Excel Advanced.
Microsoft Graph
Microsoft Graph is the gateway to data and intelligence in Microsoft cloud services like Microsoft Entra and Microsoft 365. Use the wealth of data accessible through Microsoft Graph to build apps f...
Microsoft Office Applications
This is the API contract for Microsoft Office Applications.
Microsoft Office Integration
This is the API contract for Microsoft Office Integration.
Microsoft Office Products
This is the API contract for Microsoft Office Products.
Microsoft Power Automate
This is the API contract for Microsoft Power Automate.
Microsoft Power Platform
This is the API contract for Microsoft Power Platform.
Microsoft Power Virtual Agents
This is the API contract for Microsoft Power Virtual Agents.
Microsoft Visual Studio
This is the API contract for Microsoft Visual Studio.
Microsoft Windows Server
This is the API contract for Microsoft Windows Server.
MikMak
MikMak provides eCommerce enablement and analytics software for multichannel brands to convert global customers.
Mine Health and Safety Administration
The Mine Safety and Health Administration (MSHA) works to prevent mining related deaths, injuries, and illnesses through mine regulations, inspections, and training programs.
Mintlify
Mintlify is an AI-native intelligent documentation platform designed for the next generation of technical documentation, combining beautiful out-of-the-box design with advanced collaboration and AI...
Mirage JS
Build complete frontend features, even if your API doesnt exist. Mirage JS is an API mocking library that lets you build, test and share a complete working ...
Mock Service Worker
Mock Service Worker is an API mocking library that allows you to write client-agnostic mocks and reuse them across any frameworks, tools, and environments.
MockServer
start working against a service API before the service is available. If an API or service is not yet fully developed MockServer can mock the API allowing any ...
Mockoon
Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.
Modern Treasury
Modern Treasury transforms how teams move and track money to support impactful businesses rooted in trust and transparency.
Modo Energy
Modo Energys API is designed for battery operators, owners, and utilities looking to build state-of-the-art energy data systems.
Moesif
Moesif is an API analytics and monitoring platform that helps companies gain deep insights into how their APIs are performing and being used. By tracking and analyzing API traffic in real-time, Moe...
Momentive Performance Materials
This is the API contract for Momentive Performance Materials.
Monolithic Architecture
This is the API contract for Monolithic Architecture.
Moodle
The Roles API is an extension of the Access API and defines a set of actions that a user is allowed to perform on certain system levels.
Moody's
With evolving regulatory pressures and bad actors becoming increasingly adept at concealing themselves, the need for deep understanding of business partners, customers, and other third parties is m...
Moon-API
Welcome to Moon-API.com, your one-stop destination for all things lunar. Our APIs offer a wealth of information about the moon and its intriguing phases. Whether you're a developer, an astronomer, ...
Morgan Stanley
Morgan Stanley is a global financial services firm that offers a wide range of services to individuals, corporations, and governments. The firm is known for its investment banking and wealth manage...
MorphCast
We expertly craft safe browser-processing, energy-efficient, accurate Emotion AI solutions to analyze facial emotions, empowering AI Agents and delivering empathetic, data-driven, and dynamic digit...
MoveYou
Our scaled based platform meets all your business requirements in the fields of mobility and energy. Explore the powerful solutions or consult one of our experts for advice. Together, we are buildi...
MuleSoft
Integration is the key to unlocking the potential of AI agents. Use MuleSofts all-in-one platform to build your foundation for agent action by connecting your systems, models and vector stores, orc...
Multi Tier Architecture
This is the API contract for Multi Tier Architecture.
Musixmatch
Musixmatch is an Italian music data company and platform for users to search and share song lyrics with translations. Musixmatch has 80 million users, 8 million songs with their respective lyrics, ...
Mutual Of America Life Insurance
This is the API contract for Mutual Of America Life Insurance.
Mutual Of Omaha Insurance
This is the API contract for Mutual Of Omaha Insurance.
mabl
mabl, the leading AI-native test automation platform, empowers software teams to accelerate innovation while ensuring exceptional quality. Our unified platform streamlines testing across web, mobil...
minerstat
Minerstat mining pools API is a public API that allows you to obtain basic information about different mining pools that are listed on minerstat. This documentation will help you understand which d...
mockAPI
MockAPI is a tool that allows developers to easily create and manage mock API servers for testing and development purposes. With MockAPI, developers can define custom endpoints, data structures, an...
monday.com
An expressive API to interact with your workflows, automate processes, power integrations, and more!