Contracts - C
API contracts starting with C.
CAT
Caterpillar Inc. is the worlds leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.
CData
CData Software is a leading provider of data access and connectivity solutions. Our standards-based connectors streamline data access and insulate customers from the complexities of integrating wit...
CEPS
Founded in Brussels in 1983, CEPS is a leading think tank and forum for debate on EU affairs, with an exceptionally strong in-house research capacity and an extensive network of partner institutes ...
CHAMP Cargosystems
Champ.aero, also known as CHAMP Cargosystems, is a company that provides comprehensive IT solutions for the air cargo industry, offering a range of software applications and services to manage all ...
CNH
CNH Industrial is a global leader in the manufacturing and distribution of agricultural and construction equipment. With a diverse portfolio of brands including Case IH, New Holland, and Iveco, CNH...
CRS Credit API
Power fast, compliant financial decisioning with all-in-one credit data API solutions. Experience the advantage of credit data-as-a-service with CRS.
CalorieNinjas
Get nutrition and recipe data for 100,000 foods and beverages.
Calumet Specialty Products Partners
This is the API contract for Calumet Specialty Products Partners.
Campflare
Integrate availability alerts and outdoor data into your application, for free. Currently, the API supports availability alerts for all campgrounds found on Campflare, and a small amount of additio...
Camunda
Camunda’s latest release is live—start using AI in your processes today. Build AI agents, automate documents with AI-powered IDP, run RPA bots, and more. All available now.
Candid
We aspire to create a social sector equipped to address the most pressing challenges and opportunities of our time. To support this vision, Candid offers valuable information through Foundation Dir...
Canonical
Simple, cost-effective, supported – expand the Ubuntu philosophy to every layer of your enterprise stack.
Cantaloupe Seed API
With Seed API, you can compile all your transactions, fees, and payments into a single bill across all your business channels like vending, micro markets, or office coffee and pantry services. G...
Canvas
Canvas is a learning management system that provides a digital platform for educators to create and deliver online courses and learning materials to students. It allows teachers to organize course ...
Capital One
Capital One is a financial services company that offers a wide range of banking products and services, including credit cards, checking and savings accounts, loans, and investment products. They ar...
Capital.com Public API
Capital.com is one of Europes fastest-growing trading platforms, with offices across the UK, Europe and Australia. We keep our clients at the heart of every decision we make, facilitating their tra...
Capitalist
Capitalist allows you to make mass payments and receive money without opening accounts in payment systems.
Car API
Car API is a software interface that allows developers to access and interact with a vast database of information related to cars. This API provides users with the ability to retrieve details about...
CarAPI
CarAPI is an innovative platform that allows users to access detailed information about a wide range of vehicles. This powerful tool provides users with comprehensive data on car specifications, pr...
CarMD
CarMD is a company that specializes in automotive diagnostics and insights. They offer a diagnostic tool that plugs into a car's onboard computer system to identify any potential issues or problems...
Cardtonic
Cardtonic is a leading online platform that specializes in buying and selling gift cards. With a user-friendly interface and a seamless process, Cardtonic allows customers to easily convert their u...
CargoDocs
CargoDocs is a digital platform that streamlines and automates the documentation process for global trade transactions. By digitizing and centralizing all shipping documents, such as bills of ladin...
CarsXE
CarsXE is a car dealership that specializes in providing high-quality used vehicles to customers. With a wide selection of cars, trucks, and SUVs, CarsXE ensures that each vehicle is thoroughly ins...
Carto
Carto is a location intelligence platform that allows users to analyze and visualize spatial data in order to gain insights into their business or research. With Carto, users can upload their own g...
Center for Parent Information and Resources
The Parent Information Center of New Hampshire (PIC) is the Parent Training and Information Center for the state. PIC provides families and youth, with a focus on children/youth with disabilities/s...
Centers for Disease Control and Prevention
CDC is the nation's leading science-based, data-driven, service organization that protects the public's health. CDC puts science into action to help children stay healthy so they can grow and learn...
Centers for Medicare and Medicaid Services
CMS is the federal agency that provides health coverage to more than 160 million through Medicare, Medicaid, the Children's Health Insurance Program, and the Health Insurance Marketplace. CMS works...
Central Intelligence Agency
ODNI and CIA Release the Intelligence Community OSINT Strategy for 2024-2026 . WASHINGTON, D.C. The Office of the Director of National Intelligence (ODNI) and the Central Intelligence Agency (CIA)...
Cequence
Cequence is a cybersecurity company that specializes in API security and bot management solutions. They help businesses protect their digital assets from malicious automated attacks and mitigate po...
Certificate Enrolment Protocols
This is the API contract for Certificate Enrolment Protocols.
Cflow
A workflow API is a set of rules and protocols that allow software applications to interact with and control workflows.
Chainlens
Chainlens provides a robust and intuitive platform combining user-friendly exploration with powerful analytics and advanced features. Whether monitoring real-time blockchain transactions, verifying...
CharityAPI
CharityAPI is a software platform that provides users with access to information and data on various charitable organizations around the world. This platform offers a comprehensive database of nonp...
CharmHealth
CharmHealth is a comprehensive healthcare technology solution that offers a range of tools and services to streamline patient management and optimize workflow efficiency for healthcare providers. T...
Chase
Chase is a driven and ambitious individual who thrives in high-pressure environments. With a keen attention to detail and a strong analytical mindset, Chase excels at problem-solving and finding cr...
Checkpoint
Checkpoint is a cybersecurity company that provides solutions to protect organizations from cyber threats. They offer a range of products and services including network security, cloud security, en...
Chemius
Chemius is a cutting-edge chemical engineering company that specializes in developing innovative solutions for a wide range of industries. Their team of expert chemists and engineers work together ...
Chief Acquisition Officers Council
The Chief Acquisition Officers Council (the Council) is established pursuant to Section 16 of the Office of Federal Procurement Policy Act, as amended, 41 USC 403, et seq. The Council consists of a...
Chief Financial Officers Council
The Council was established by the Chief Financial Officers (CFO) Act of 1990 (Public Law 101-576). It is composed of the CFOs and Deputy CFOs of the largest Federal agencies, senior officials of O...
Chief Human Capital Officers
The Chief Human Capital Officers (CHCO) Council is the principal interagency forum to advise and coordinate the activities of our members on such matters of modernization of human resources systems...
Chief Information Officers Council
The Chief Information Officers Council (CIOC) is a collective body comprising the heads of information technology departments across various government agencies and departments. The council is resp...
Chiquita Brands International
This is the API contract for Chiquita Brands International.
Choreo
With Choreo, you can connect your Git repos, deploy instantly across any environment, ship securely by default, and monitor everything in real timewith AI guiding you every step of the way.
Circle
Move money faster, safer with USDC, the digital dollar made for businesses and developers around the world.
CircleCIs
This API is separate from the main CircleCI v2 API and is used for the management and execution of self-hosted runner jobs. It is hosted at runner.circleci.com.
Cisco Collaboration Hybrid Solutions
This is the API contract for Cisco Collaboration Hybrid Solutions.
Cisco Directory Connector
This is the API contract for Cisco Directory Connector.
Cisco Directory Connectors
This is the API contract for Cisco Directory Connectors.
Citizens Financial Group
This is the API contract for Citizens Financial Group.
Civil Infrastructure Platform
This is the API contract for Civil Infrastructure Platform.
Clarivate
Clarivate is a global information services company that provides data, insights, and analytics to accelerate the pace of innovation. Serving sectors such as academia, government, life sciences, hea...
Classif.io
Classif.io is a data classification platform that helps organizations identify, label, and secure sensitive information within their datasets. By leveraging machine learning and natural language pr...
Cleo
Managing endless B2B integrations across your supply chain ecosystem is complex and time consuming. Gain control with an all-in-one platform for EDI & API, that supports any-to-any integrations dir...
Clerk.io
Clerk.io is an e-commerce personalization platform that utilizes artificial intelligence and machine learning to offer tailored product recommendations, search results, and marketing communications...
CleverTap
CleverTap is a California-based SaaS company that provides a comprehensive customer engagement and retention platform designed to help businesses understand user behavior, segment audiences, and de...
ClickPost
ClickPost is a logistics and supply chain management platform that provides end-to-end solutions for businesses looking to optimize their shipping processes. By integrating with various carriers an...
Cliffs Natural Resources
This is the API contract for Cliffs Natural Resources.
Climatiq
Climatiq is a data analytics company that specializes in providing businesses with insights into their environmental impact. By collecting and analyzing data related to energy consumption, waste pr...
Clockodo
Clockodo is a time tracking and project management software designed to help businesses efficiently track and manage their employees' work hours. With Clockodo, users can easily track billable hour...
Cloud
Crusoe Clouds REST API can be used to programmatically control resources such as creating Virtual Machines or fetching information about your organization.
CloudZero
Automate the collection, allocation, and analysis of your infrastructure spend to uncover waste and improve unit economics.
Cloudbees
Cloudbees is a software company that specializes in providing solutions for accelerating the software delivery process. They offer a platform that helps companies automate and optimize their softwa...
Cloudflare
Cloudflare is a U.S.-based company that provides a suite of services aimed at enhancing the security, performance, and reliability of internet properties. Its offerings include content delivery net...
Cloudinary
Cloudinary is a cloud-based service that provides comprehensive solutions for managing digital media assets, including images and videos, for websites and mobile applications.
Cloudmersive
Cloudmersive brings its customers a complete portfolio of APIs across Virus Scanning, Document Conversion and Processing, Deep Learning OCR, Image Recognition and Processing, Natural Language Proce...
Cobalt
Traditional integrations are slow, fragmented, and hinder growth. Cobalt is changing that. A next-gen integration platform with 1,000+ connectors and AI-driven automationredefining how businesses i...
Cockroach Labs
Cockroach Labs is a software company that creates a cloud-native, distributed SQL database called CockroachDB. CockroachDB is used by many large companies in a variety of industries, including bank...
Codehooks
Codehooks is a software development tool that allows developers to easily create and manage custom code snippets that can be triggered automatically during specific events in their workflow. These ...
Cohesity
Cohesity provides ready-to-use integrations with the automation and orchestration tools of your choice to streamline your operations. Under the hood, all integrations are powered by the Cohesity RE...
CoinAPI
CoinAPI is a platform that provides access to real-time and historical cryptocurrency data from over 100 exchanges. Users can easily access a wide range of data, including price updates, trading vo...
Comeet
Comeet is a talent acquisition platform that helps companies streamline their recruitment process through automation and collaboration. Using advanced technology, Comeet allows employers to create ...
CometAPI
Seamless AI integration, fast performance, and scalable solutions—empower your applications with CometAPI.
Commission of Fine Arts
he U.S. Commission of Fine Arts (CFA) is an independent agency of the federal government of the United States, and was established in 1910. The CFA has review (but not approval) authority over the ...
Committee on Foreign Investment in the United States
On September 15, 2022, President Biden issued Executive Order 14083 reflecting the evolving national security threat landscape and underscoring the critical role of the Committee on Foreign Investm...
Commodity Futures Trading Commission
The Commodity Futures Trading Commission (Commission or CFTC) publishes the Commitments of Traders (COT) reports to help the public understand market dynamics. ... 13. Application Programming Inter...
Common Sense Media
Common Sense Media is a nonprofit organization dedicated to helping families and educators make informed decisions about media and technology. They provide unbiased reviews and ratings of movies, T...
Communication Protocols
This is the API contract for Communication Protocols.
Community Health Systems
This is the API contract for Community Health Systems.
CompleteDNS
CompleteDNS is a comprehensive domain name system (DNS) service that helps companies manage and secure their online presence. With features such as DNS hosting, domain registration, and advanced se...
Conductor
Conductor allows you to build a complex application using simple and granular tasks that do not need to be aware of or keep track of the state of your application's execution flow. Conductor keeps ...
Conektto
Conektto simplifies and eliminates the complexity in API integrations. You focus only on designing your B2B integrations, we take care of the rest of the repetitive technical steps with AI.
Confidential Computing Consortium
This is the API contract for Confidential Computing Consortium.
Confido Legal
Confido Legal is a boutique law firm that specializes in providing comprehensive legal services to individuals and businesses in various industries. Their team of experienced attorneys offers exper...
Confluent
Stream, connect, process, and govern your data with an all-in-one, real-time platform from the pioneer in data streaming. Build faster, scale smarter, and turn data chaos into instantly accessible ...
Confluent Schema Registry
This is the API contract for Confluent Schema Registry.
Confluent | The Data Streaming Platform
Stream, connect, process, and govern your data with an all-in-one, real-time platform from the pioneer in data streaming. Build faster, scale smarter, and turn data chaos into instantly accessible ...
Congressional Budget Office
Find data on spending, revenues, deficits, and debt from CBOs Budget and Economic Outlook and Updates. Download files of 10-year projections from 1980 to 2024 and their extensions for additional de...
Constant Contact
Constant Contact is a leading provider of email marketing and online survey tools for small businesses and nonprofits. They offer a user-friendly platform that allows businesses to create, send and...
Construction Monitor
Process large amounts of permit data through Construction Monitors API or automated weekly data dumps via secure FTP. Both of these powerful tools have been built with an understanding that handlin...
ConstructionOnline
ConstructionOnline is a comprehensive cloud-based construction project management software that streamlines communication and collaboration between construction teams, subcontractors, and clients. ...
Consumer Product Safety Commission (CPSC)
The Consumer Product Safety Commission (CPSC) is a government agency responsible for protecting the public from unreasonable risks of injury or death associated with consumer products. The CPSC ove...
Contenful
Contentful is content infrastructure. Our platform lets you create, manage and distribute content to any platform. Unlike a CMS, we give you total freedom to create your own content model so you ca...
Contensis
Contensis is an enterprise-level Content Management System (CMS) developed by Zengenti, designed to help organizations create, manage, and deliver digital content across multiple platforms and devi...
Contentful
Contentful is a content management platform that allows businesses to create, manage, and deliver digital content across various channels and devices. By using Contentful, companies can streamline ...
Context7
Copy the latest docs and code for any library — paste into Cursor, Claude, or other LLMs.
Contify
Contify is an AI-powered competitive intelligence platform that helps businesses track and analyze their competitors' strategies, market trends, and industry news. By collecting and organizing data...
Continuous Delivery Foundation
This is the API contract for Continuous Delivery Foundation.
Convention Over Configuration
This is the API contract for Convention Over Configuration.
Cooper Standard Holdings
This is the API contract for Cooper Standard Holdings.
Copilot Instructions Md
This is the API contract for Copilot Instructions Md.
Copper
Copper isnt just another CRM. We built it from the ground up to help you cultivate enduring relationships with your clients. We wanted a change from unwieldy databases with legions of custom fields...
Coresignal
Coresignal is a data-driven marketing tool that utilizes artificial intelligence to help businesses optimize their digital marketing strategies. By analyzing customer data and behavior patterns, Co...
Corporate Bullshit Generator
The Corporate Bullshit Generator is a tool designed to generate random nonsensical corporate jargon and buzzwords. It takes mundane phrases and spins them into convoluted, meaningless statements th...
Council on Environmental Quality
Congress enacted NEPA to establish a national policy for the environment, provide for the establishment of the Council on Environmental Quality (CEQ), and for other purposes. NEPA was the first maj...
Country State City API
World countries, states, regions, provinces, cities, and towns in JSON, SQL, PSQL, SQLITE, XML, YAML, and CSV. All Countries, States, Cities with ISO2, ISO3, Country Code, Phone Code, Capital, Nati...
Country.io
Country.io is a website that provides detailed information about countries around the world. Users can search for a specific country and find data such as its population, area, capital city, curren...
Coveo
Coveo is a cloud-based platform that specializes in delivering personalized and relevant search results to improve customer experiences. By utilizing intelligent AI-powered search technology, Coveo...
Cracker Barrel Old Country Store
This is the API contract for Cracker Barrel Old Country Store.
Crane Worldwide
Crane Worldwide is a global logistics and supply chain solutions company that offers a wide range of services to meet the needs of their clients. They specialize in air freight, ocean freight, cust...
Crawlee
Crawlee is a web crawling tool designed to search and index content from websites across the internet. It scans through websites, collecting data such as text, images, links, and metadata to build ...
Crestwood Equity Partners
This is the API contract for Crestwood Equity Partners.
Criteo
The Criteo Retail Media API helps you unlock a range of possibilities to help you enhance your media performance from any platform. Our suite of tools empowers you to seamlessly create, launch, and...
Crossref
Crossref is a non-profit organization that provides a digital infrastructure for scholarly communications. They are best known for their DOI (Digital Object Identifier) registration service, which ...
Crown Castle International
This is the API contract for Crown Castle International.
CryptoQuant
CryptoQuant is a leading blockchain data analytics platform that provides real-time and historical data on various cryptocurrency markets. The platform offers insights into trading trends, market s...
Cursor
Built to make you extraordinarily productive, Cursor is the best way to code with AI.
Customs Advisory Services
This is the API contract for Customs Advisory Services.
Customs Computer System
This is the API contract for Customs Computer System.
Customs and Border Protection
CBP is responsible for apprehending individuals attempting to enter the United States illegally; stemming the flow of illegal drugs and other contraband; protecting our agricultural and economic in...
Cvent
Cvent is a leading event management software company that helps organizations plan, promote, and execute successful events. Their comprehensive platform allows users to easily create event websites...
Cvent Hospitality Cloud
This is the API contract for Cvent Hospitality Cloud.
Cybersecurity Standards
This is the API contract for Cybersecurity Standards.
Cybersecurity and Infrastructure Security Agency
As part of our continuing mission to reduce cybersecurity and physical security risk, CISA provides a robust offering of cybersecurity and critical infrastructure training opportunities. Return to ...
Cyclr
Delivering native integrations is commercially critical - but a task often fraught with development headaches. Cyclr makes you more agile, standardizes integrations and amplifies your eco-system.
cPanel
cPanel is a web-based control panel that allows users to easily manage their websites and hosting services. It provides a graphical interface to help users easily navigate and configure various asp...