APIs
An application programming interface for making digital resources and capabilities available in many different types of applications and integrations.
U.S. Steel SteelTrack API
SteelTrack is U.S. Steel's internet-based customer platform providing order status reporting, inventory tracking, shipment history, material release, and physical and chemical test reporting. The A...
UCSC Genome Browser REST API
REST API providing programmatic access to the UCSC Genome Browser's genomic data, including genome assemblies, DNA sequences, annotation tracks, and track hubs. All endpoints use HTTP GET and retur...
UKG Pro HCM API
The UKG Pro HCM API provides programmatic access to human capital management data including employees, personnel actions, benefits, payroll, performance, and organizational structure. Uses Basic Au...
UKG Pro Workforce Management API
The UKG Pro WFM API provides programmatic access to time and labor management data including punches, shifts, schedules, accruals, and attendance. Supports timekeeping, scheduling, and compliance w...
UNFI Harmony Core API
UNFI's Harmony Core API provides read-only access to 42 data files covering supplier, product, inventory, and sales data across UNFI's distribution network. Consumers can perform SQL-style queries ...
UPS Shipping API
The UPS Shipping API enables developers to create and manage shipments, generate shipping labels, validate addresses, retrieve rates, track packages, schedule pickups, and access time-in-transit in...
US Army Public API
The US Army Public API provides public access to Army news articles, events, and official announcements. Documented with OpenAPI 3 (OAS3) and a Swagger UI interface at api.army.mil. The API enables...
US Bank ACH Originations API
The ACH Originations API enables origination of ACH (Automated Clearing House) payments from U.S. Bank corporate accounts. Supports standard ACH credit and debit transactions for payroll, vendor pa...
US Bank Corporate Account Information API
The Corporate Account Information API provides access to U.S. Bank deposit account balances and transaction data for corporate customers. It enables retrieval of current-day and previous-day accoun...
US Bank Positive Pay API
The Positive Pay API helps detect check fraud by electronically matching checks to issued items. Enables retrieval of exception items (checks that don't match issued items), submission of pay/retur...
US Bank Push to Card API
The Push to Card API enables instant fund disbursements directly to Visa and Mastercard debit cards. Ideal for disbursements, refunds, and payouts up to $125,000 per transaction. Transactions are i...
US Bank RTP Real-Time Payments API
The RTP Real-Time Payments API enables 24/7/365 real-time payment origination through The Clearing House RTP network. Supports credit transfer messages, request for payment (RFP), and RTP eligibili...
US Core Server CapabilityStatement
This section describes the expected capabilities of the US Core Server actor which is responsible for providing responses to the queries submitted by US Core Requestors. Implementations meet ONC 20...
USACE CWMS Data API
The Corps Water Management System Data API (CDA) is a RESTful API providing public access to USACE water management data. It supports retrieval of timeseries data (stream flow, reservoir levels, pr...
USACE Corps Water Management System Data API
The USACE Corps Water Management System Data API (CDA) is a REST service providing programmatic access to USACE water management data including time series measurements, monitoring locations, ratin...
USADF Grant Opportunities API
Access to USADF grant opportunity listings through the Grants.gov API. USADF posts open grant solicitations on Grants.gov for African grassroots enterprises, cooperatives, and social entrepreneurs ...
USADF Grants Data API
Access to USADF grant award data through the USASpending.gov API. Provides programmatic access to USADF grants, awards, recipients, and spending profiles as reported to the federal awards transpare...
USCIS Case Status API
The USCIS Case Status API provides case status information to USCIS customers and their representatives who require regular access to case status information. It accepts a 13-character USCIS receip...
USCIS FOIA Request and Status API
The USCIS FOIA Request and Status API enables consumers to submit Freedom of Information Act (FOIA) or Privacy Act (PA) requests for Alien File records and check the status of submitted requests us...
USDA AMS MARS API (MyMarketNews)
The Market Analysis Reporting System (MARS) API provides programmatic access to USDA AMS agricultural market news data. The API allows users to automatically pull raw market news data including com...
USDA Ag Data Commons CKAN API
The USDA Ag Data Commons is a DKAN/CKAN-based open data repository for USDA agricultural research datasets. The API provides metadata search and retrieval for datasets from ARS national programs in...
USDA ERS ARMS Data API
The USDA Economic Research Service (ERS) ARMS Data API provides access to the Agricultural Resource Management Survey (ARMS), covering farm finances, production practices, and resource use for U.S....
USDA FoodData Central API
The USDA FoodData Central (FDC) API provides access to an integrated data system containing extended nutritional and food component data for thousands of foods. Data types include Foundation Foods,...
USDA FoodData Central API
The FoodData Central API provides REST access to FoodData Central (FDC). It is intended primarily to assist application developers wishing to incorporate nutrient data into their applications or we...
USDA FoodData Central API
The FoodData Central API provides REST access to FoodData Central (FDC), the USDA's integrated data system that provides expanded nutrient profile data and links to related agricultural and experim...
USDA NASS Quick Stats API
The USDA NASS Quick Stats API provides direct access to the National Agricultural Statistics Service's official published aggregate estimates related to U.S. agricultural production. Returns data f...
USDA NASS QuickStats API
The QuickStats API provides direct programmatic access to the statistical information contained in the NASS Quick Stats database, covering official published aggregate estimates related to U.S. agr...
USDA NRCS AWDB Water and Climate REST API
The USDA Natural Resources Conservation Service (NRCS) Air and Water Database (AWDB) REST API provides access to snow, water, and climate data from SNOTEL (SNOw TELemetry) stations and Soil Climate...
USGS Earthquake Catalog API
The USGS Earthquake Catalog API implements the FDSN Event Web Service Specification, providing real-time and historical access to global earthquake data from the USGS National Earthquake Informatio...
USGS Earthquake Hazards Program API
FDSN-compatible earthquake catalog API returning GeoJSON FeatureCollections for queries by time, magnitude, location, and depth.
USGS Water Data APIs
The USGS Water Data OGC APIs provide standardized access to USGS water monitoring data including continuous streamflow, daily values, groundwater levels, discrete water quality measurements, and mo...
USGS Water Data OGC API
The USGS Water Data OGC APIs provide OGC-compliant interfaces to USGS water data including real-time continuous measurements from automated sensor networks, daily summary values, field measurements...
USGS Water Services API
Real-time and historical surface-water, groundwater, and water-quality data via the National Water Information System.
USPS Addresses API
Validates and corrects address information to USPS specifications, eliminating errors and improving package delivery. Supports full address standardization, city and state lookup by ZIP Code, and Z...
USPS Carrier Pickup API
Enables free carrier pickup scheduling for next-day service, Monday through Saturday, excluding federal holidays. Supports creating, retrieving, updating, and canceling pickup requests at residenti...
USPS Domestic Prices API
Provides postage pricing for domestic USPS shipments based on origin and destination ZIP Codes, weight, dimensions, and mail class. Supports base rate lookups, extra service rates (insurance, signa...
USPS Tracking API
Returns tracking status and related details for a given USPS package, including scan events with date, time, and location. Supports single and batch package tracking. Version 3.2 includes enhanced ...
USPTO Enriched Citation API
The USPTO Enriched Citation API provides enriched citation reference metadata for patent documents including non-patent literature and patent citations. Returns structured citation data for patent ...
USPTO Office Action Text Retrieval API
The USPTO Office Action Text Retrieval API provides access to the full text of USPTO patent examiner office actions. Returns rejection text, claims analysis, and prior art citations for patent appl...
USPTO Open Data Portal API
The USPTO Open Data Portal (ODP) API allows public users to discover, search, and extract USPTO patent, trademark, PTAB trial, petition decision, and bulk dataset information at no cost. Requires a...
USPTO Patent & Trademark API
The United States Patent and Trademark Office (USPTO) provides REST APIs for patent search, PTAB trial proceedings, trademark status lookup, and patent citation data. APIs are hosted at developer.u...
USPTO Patent Trial and Appeal Board (PTAB) API
The USPTO PTAB API provides access to Patent Trial and Appeal Board proceedings data including inter partes reviews (IPR), post-grant reviews (PGR), and covered business method (CBM) reviews. Retur...
USPTO Trademark Search API Endpoints
The core API for accessing USPTO trademark data, offering various search and retrieval functionalities including keyword search, availability check, serial number lookups, owner searches, and datab...
USPTO Trademark Status and Document Retrieval (TSDR) API
The USPTO Trademark Status and Document Retrieval (TSDR) API enables programmatic access to trademark case status, filing history, and associated documents. Returns status information for trademark...
USPTO Trademark Status and Document Retrieval API
The Trademark Status and Document Retrieval (TSDR) REST API provides programmatic access to trademark case status, documents, case images, and related metadata. Requires an API key for bulk data do...
Uber Direct API
The Uber Direct API allows merchants to leverage Uber's courier network to deliver their orders. It supports on-demand delivery creation, courier tracking, refunds, and location management. Webhook...
Uber Drivers API
The Uber Drivers API allows partners to access driver profile information, payment history, and trip records. It provides access to driver earnings, completed trips, and partner program data via OA...
Uber Eats API
The Uber Eats Marketplace API enables partners to programmatically manage stores, menus, and orders on the Uber Eats platform. It supports real-time menu synchronization, order processing, store op...
Uber Riders API
The Uber Riders API enables applications to interact with the Uber platform on behalf of riders. It allows requesting rides, getting product listings, price and time estimates, viewing trip history...
Uber Vouchers API
The Uber Vouchers API allows businesses to create and manage voucher programs and codes for rides and meals. It supports program creation, code generation, bulk distribution, guest management, and ...
Uber for Business API
The Uber for Business API enables organizations to automate workflows within their enterprise Uber accounts. Provides access to trip invoices, receipts, and business travel data for expense managem...
Ubuntu CVE API
API for Ubuntu security notices and CVE vulnerability information, enabling programmatic queries of the Ubuntu CVE database including affected packages and patch status across Ubuntu releases.
UiPath Automation Hub API
The UiPath Automation Hub API provides access to the automation pipeline and idea management platform, allowing developers to programmatically create, retrieve, and manage automation ideas, project...
UiPath Data Service API
The UiPath Data Service API provides programmatic access to structured data storage within the UiPath Platform. Developers can create, read, update, and delete records in custom data entities, enab...
UiPath Document Understanding API
The UiPath Document Understanding API enables intelligent document processing using machine learning and AI models. Developers can submit documents for digitization, classification, and data extrac...
UiPath Orchestrator API
The UiPath Orchestrator API provides programmatic access to the core automation management platform, enabling developers to manage robots, jobs, processes, queues, assets, schedules, and more. Buil...
UiPath Platform Management API
The UiPath Platform Management API provides administrative access to organization and tenant management capabilities, including user management, license management, and account configuration. Used ...
UiPath Test Manager API
The UiPath Test Manager API enables programmatic interaction with the automated testing platform, allowing CI/CD pipelines and external tools to create test sets, execute tests, and retrieve test r...
Umami API
The Umami API provides programmatic access to website analytics data including pageviews, sessions, events, and metrics, allowing developers to collect tracking data and retrieve analytics reports....
Uniblock Direct API
The Uniblock Direct API gives developers access to provider-specific endpoints exactly as offered by upstream blockchain data providers. This is intended for use cases where a specific method is no...
Uniblock JSON-RPC API
The Uniblock JSON-RPC API provides a single endpoint for standard JSON-RPC calls across hundreds of blockchain networks. Rather than managing individual node provider connections for each chain, de...
Uniblock Unified API
The Uniblock Unified API provides a single standardized interface for interacting with multiple blockchain networks and data providers. It offers higher-level endpoints for common data needs includ...
Unified.to ATS API
Unified ATS API providing real-time access to recruiting data including jobs, candidates, applications, interviews, and hiring decisions across 73 integrations.
Unified.to Accounting API
Unified accounting API providing real-time access to accounting data across 41 integrations including QuickBooks, Xero, FreshBooks, and more.
Unified.to Advertising API
Unified advertising API providing real-time access to advertising platform data across 13 integrations.
Unified.to Assessment API
Unified assessment API providing real-time access to assessment and evaluation data across 6 integrations.
Unified.to CRM API
Unified CRM API providing real-time access to customer relationship data including contacts, companies, deals, pipelines, leads, and activities across 47 integrations.
Unified.to Calendar & Meetings API
Unified calendar and meetings API providing real-time access to calendar and scheduling data across 27 integrations.
Unified.to Call Center API
Unified call center API providing real-time access to calls, contacts, recordings, and voice activity data across 16 integrations.
Unified.to E-Commerce API
Unified e-commerce API providing real-time access to e-commerce data across 30 integrations.
Unified.to HR & Directory API
Unified HR and directory API providing real-time access to HR, payroll, and employee directory data across 223 integrations.
Unified.to Messaging API
Unified messaging API providing real-time access to messaging and chat data across 17 integrations.
Unified.to Payments API
Unified payments API providing real-time access to transaction, refund, payout, and subscription data across 16 integrations.
Unified.to Ticketing API
Unified ticketing API providing real-time access to support ticket and issue resolution data across 7 integrations.
Union Pacific API
The Union Pacific API provides programmatic access to real-time railroad supply chain data and operational actions. The API enables shipment tracking, equipment management, order placement, excepti...
Uniswap Trading API
The Uniswap Trading API provides REST endpoints for token swaps, bridges, liquidity management, and execution planning across 25+ blockchain networks. It supports swap quoting, gasless UniswapX ord...
Unisys Stealth EcoAPI
The Unisys Stealth EcoAPI enables security teams and automation platforms to integrate with Unisys Stealth zero trust network segmentation. Using the EcoAPI, teams can programmatically isolate and ...
United Airlines NDC API
United Airlines NDC (New Distribution Capability) API enables travel agencies, online booking tools, and corporate travel platforms to search, book, and service United flights with full access to c...
United Rentals Total Control Integration API
United Rentals provides a broad selection of APIs to simplify the procure-to-pay lifecycle for equipment rentals. The Total Control platform supports system integration via EDI, cXML, JSON, spreads...
UnitedHealth Group Optum API
The UnitedHealth Group interoperability APIs provide FHIR R4-compliant access to healthcare data including patient records, claims history, provider directories, and formulary information in compli...
UnitedHealthcare Interoperability API
The UnitedHealthcare Interoperability APIs provide FHIR R4-compliant access to patient health data in compliance with CMS Interoperability and Patient Access final rule (CMS-9115-F). Includes Patie...
UnitedHealthcare Provider API
The UnitedHealthcare Provider API provides real-time access to eligibility verification, claims management, prior authorization, and provider directory services through the UHC API Marketplace. Ena...
Unity Access API
The Access API provides endpoints for managing access control, resource policies, and permissions that control who can access, modify, or delete game data and resources across Unity Gaming Services.
Unity Analytics API
The Analytics REST API provides endpoints for tracking player behavior, recording custom events, and querying analytics data for Unity projects. Supports custom event ingestion, funnel analysis, an...
Unity Asset Manager API
The Asset Manager REST API provides endpoints for uploading, managing, transforming, sharing, and accessing complex real-time 3D assets for use across Unity projects and workflows.
Unity Build Automation API
The Build Automation REST API enables automating and integrating continuous integration builds into custom workflows, providing insight into build history and webhook callbacks for build events acr...
Unity Catalog
Unity Catalog is an open-source, multi-modal catalog for data and AI that supports Apache Iceberg REST Catalog API, Apache Hive Metastore (HMS) API, and Delta Sharing. It provides unified governanc...
Unity Cloud Code API
The Cloud Code API enables running serverless game logic in the cloud, allowing you to create, manage, and execute scripts and modules without maintaining dedicated servers. Supports JavaScript and...
Unity Cloud Content Delivery API
The Cloud Content Delivery (CCD) REST API enables building and releasing game updates with powerful asset management and content delivery through the cloud. Supports buckets, entries, releases, and...
Unity Cloud Save API
The Cloud Save REST API provides endpoints for persisting player data and game state in the cloud, with both a Player API for client-side actions and an Admin API for server-side management. Suppor...
Unity Distributed Authority API
The Distributed Authority API enables decentralized multiplayer networking where game clients share responsibility for owning and tracking the state of networked objects, reducing server load and l...
Unity Economy API
The Economy REST API allows you to manage in-game economies including virtual currencies, inventory items, purchases, and player balances through both admin and player endpoints. Supports currencie...
Unity Friends API
The Friends API helps players connect with others to add a social experience to games, providing endpoints for managing friend lists, friend requests, incoming requests, and blocking players.
Unity Leaderboards API
The Leaderboards REST API provides a Player API for submitting and fetching scores and an Admin API for creating, updating, and managing leaderboard configurations. Supports bucket leaderboards, sc...
Unity Lobby API
The Lobby REST API provides endpoints for creating, managing, and querying multiplayer game lobbies, allowing players to group together before joining a game session. Supports public and private lo...
Unity Matchmaker API
The Matchmaker REST API provides endpoints for creating and managing matchmaking tickets, defining matchmaking rules, and configuring match pools and queues for skill-based and attribute-based play...
Unity Moderation API
The Moderation API provides endpoints for actioning incidents, reviewing evidence, and monitoring community health scores to manage player behavior and content moderation across Unity Gaming Services.
Unity Monetize API
The Unity Monetize API (formerly Unity Ads) provides REST endpoints for managing ad placements, revenue reporting, and monetization configuration for mobile and desktop games.
Unity Multiplay Game Server Hosting API
The Multiplay Game Server Hosting REST API provides Admin API endpoints for resource configuration and a Game Server Lifecycle API for managing the lifecycle of dedicated game servers in cloud, bar...
Unity Player Authentication API
The Player Authentication REST API verifies player identity and manages authentication workflows, providing endpoints for sign-in, sign-up, token management, and linking external identity providers...
Unity Push Notifications API
The Push Notifications API allows scheduling messages to players on iOS and Android mobile devices when they are not actively playing, with support for immediate, scheduled, and recurring notificat...
Unity Relay API
The Relay REST API provides the Relay Allocations API and QoS Discovery API, enabling peer-to-peer multiplayer connectivity without dedicated game servers through secure relay servers.
Unity Remote Config API
The Remote Config REST API enables launching new features, testing functionality, and modifying game configurations without requiring app updates, with both a Runtime API and an Admin API for manag...
Unity SCIM API
The SCIM v2 API provides a standardized protocol for automating user and group provisioning between your Identity Provider and Unity Cloud, streamlining cross-domain identity management and user li...
Unity Safe Text API
The Safe Text API provides AI-powered text chat moderation, filtering inappropriate content and generating evidence reports for review through the Unity Moderation Platform.
Unity Scheduler API
The Scheduler API enables scheduling events to occur at a set or recurring moment in time, which can be used to trigger Cloud Code execution on a defined schedule using cron expressions.
Unity Triggers API
The Triggers API monitors a stream of internal events emitted by Unity Gaming Services and the Scheduler service, enabling Cloud Code scripts and modules to run automatically based on event conditi...
Unity Version Control API
Unity Version Control (previously Plastic SCM) provides REST API access for managing version-controlled repositories, branches, changesets, and merge requests in both cloud and on-premise deployments.
Unkey API
Unkey's REST API providing programmatic access to all platform resources: API namespace management, API key lifecycle (create, verify, update, reroll, delete), identity management, permissions and ...
Unleash Admin API
Comprehensive REST API providing full programmatic control over Unleash resources including feature flags, projects, environments, users, API tokens, strategies, segments, integrations (addons), ev...
Unleash Client API
API endpoint consumed by backend Unleash SDKs to fetch complete feature flag configurations including all activation strategies. Supports server-side flag evaluation with zero additional latency af...
Unleash Frontend API
API endpoint consumed by frontend/client-side SDKs. Returns only the evaluated state (enabled/disabled) of feature flags for a given Unleash Context, without exposing strategy configuration. Safe f...
Unpaywall API
Free REST API providing open access status and full-text links for 120M+ scholarly articles. Look up any article by DOI to get its OA status, best open access location (publisher or repository), li...
Unsplash API
REST API providing access to Unsplash's full photo library with endpoints for photo search, random photos, editorial feed browsing, photo detail and statistics, collection management, topic browsin...
Unum HR Connect API
The Unum HR Connect API provides a secure, real-time connection between Unum benefits and major HR platforms including Workday, ADP, and UKG. It automates eligibility checks, evidence of insurabili...
UpKeep API
The UpKeep API provides programmatic access to the UpKeep CMMS platform, enabling management of work orders, assets, locations, preventive maintenance schedules, parts inventory, purchase orders, m...
Upbound API
The Upbound API provides programmatic management of the Upbound universal cloud platform, including organizations, teams, managed Crossplane control planes, package repositories, and robot accounts...
Uptrace API
The Uptrace REST API provides programmatic management of projects, chart annotations for deployment tracking, alert rules using PromQL, dashboard management, and Prometheus Remote Write for metrics...
Upvest Investment API
The Upvest Investment API provides a unified interface for building embedded investment experiences. It supports placing and managing orders, creating portfolios, configuring savings plans, handlin...
Upwork GraphQL API
The primary Upwork API surface, providing GraphQL queries and mutations for job search, profile access, contract management, and messaging. Authentication uses OAuth 2.0 authorization code flow. Th...
Upwork REST API
The legacy REST API surface for Upwork, covering job search, contracts, reporting, organization management, and freelancer profiles. OAuth 2.0 authentication is required. Many endpoints have been m...
Urban Outfitters Affiliate Program
Urban Outfitters affiliate program managed through Rakuten Advertising (formerly LinkShare) network. Provides affiliate tracking links, banner ads, marketing copy, and product data feeds for affili...
Urban Outfitters Marketplace (UO MRKT) Integration
Urban Outfitters operates a curated third-party marketplace called UO MRKT for independent lifestyle and fashion brands. Seller integration is managed through EDI and third-party connectors such as...
User Interface API
Access record data, layouts, list views, and navigation items for building custom user interfaces. Powers Lightning web components in Experience Cloud sites with metadata-driven UI rendering.
User-Controlled Wallets
Create wallets that end users control via PIN, biometrics, or social recovery while Circle handles the cryptography. Used to embed non-custodial USDC wallets directly inside consumer apps.
Users API
The Users API allows you to query and modify the state of your Connected Users and their integrations. The API includes REST endpoints (and matching SDK functions) for identifying what integrations...
UtilityAPI
UtilityAPI provides a REST API for accessing utility data including meters, bills, intervals, authorizations, and webhook events. Supports Green Button standard for energy data sharing.