Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 11 Complete, well-documented, and agent-ready

Salesforce Marketing Cloud SOAP APIThe Salesforce Marketing Cloud SOAP API is a full-featured SOAP web service interface for Marketing Cloud t...91.0 Salesforce SOAP APIThe Salesforce SOAP API enables developers to use SOAP calls to create, retrieve, update, and delete record...91.0 Cvent SOAP API (Legacy)The Cvent SOAP API is the original legacy API for pushing and pulling data between Cvent and internal syste...78.0 SOAP APILegacy SOAP-based API for Marketing Cloud operations, including email sends, subscriber management, and dat...77.3 Cvent SOAP API (legacy V200611)The legacy Cvent SOAP API, still served and still publishing its WSDL at api.cvent.com/soap/V200611.ASMX?WS...76.9 Salesforce Service Cloud SOAP APISOAP-based API for enterprise integration and complex service cloud operations.71.9 AvaTax SOAP APIThe AvaTax SOAP API exposes the most commonly used features for interacting with the AvaTax service, allowi...70.9 Oracle Siebel SOAP Web ServicesSOAP-based web services for enterprise integration with Siebel CRM, supporting complex business operations ...70.4 Boomi API Management APIThe Boomi API Management API provides programmatic access to API Management service functionality through R...67.6 Boomi MFT APIThe Boomi Managed File Transfer (MFT) API provides two main types of APIs for interacting with MFT services...67.6 Boomi Platform SOAP APIThe Boomi Platform SOAP API provides the same programmatic access to the Boomi Enterprise Platform as the R...67.6

Strong 16 Solid coverage with minor gaps

Cvent SOAP Web Services API (V200611)Cvent's legacy SOAP 1.1 / WSDL 1.1 / WS-I Basic Profile 1.1 Web Services API, still served and still docume...65.6 Dynamics NAV SOAP Web ServicesSOAP-based web services for legacy integrations and business logic operations in Dynamics NAV. Exposes page...63.7 Workday Integrations SOAP Service (business process operations)The Workday Web Services Integrations service, v47.0. Carries the eight SOAP business process operations — ...63.3 Aeris AerAdmin Device Management APIThe Aeris-native SOAP web service used to provision, activate, suspend, cancel, retire and re-provision dev...62.0 Aeris IoT Accelerator SOAP APIThe legacy SOAP/WSDL service portal API of the IoT Accelerator platform, covering subscription management, ...62.0 Factiva Developer Kit (SOAP)The original Factiva integration surface, in production since 2000 and still published: an XML/SOAP 1.1 web...61.8 Tebra Appointments APISOAP operations for scheduling - GetAppointment, GetAppointments, CreateAppointment, UpdateAppointment, Upd...58.9 Tebra Billing and Claims APISOAP revenue-cycle operations covering charges, encounters, payments, and transactions - GetCharges, GetEnc...58.9 Tebra Documents SOAP APISOAP operations for attaching and removing documents on practice records - CreateDocument and DeleteDocumen...58.9 Tebra Patients APISOAP operations for patient records - GetPatient, GetPatients, GetAllPatients, CreatePatient, UpdatePatient...58.9 Tebra Providers and Practices APISOAP reference-data operations - GetProviders, GetPractices, GetServiceLocations, and GetProcedureCodes - u...58.9 Exchange Autodiscover APIService that enables client applications to automatically configure themselves for Exchange connectivity us...58.3 Exchange Web Services (EWS)Legacy SOAP-based API for Exchange Server providing comprehensive access to mailbox data and operations. Pl...58.3 Salesforce SOAP APIComprehensive SOAP-based API for enterprise integrations with full CRUD operations on Salesforce objects. U...58.1 FIS Core Banking APIFIS (Fidelity National Information Services) provides core banking platforms including the Systematics suit...57.6 Experian Address Validate (Pro OnDemand SOAP)The legacy Experian QAS Pro OnDemand SOAP service, still published and documented by Experian Data Quality....57.0

Developing 41 Usable, with meaningful gaps to close

AccountsIQ Integration API 1.1The legacy AIQ SOAP 1.1 integration web service, still published and supported alongside 2.0. 217 operation...54.2 AccountsIQ Integration API 2.0The current AIQ SOAP 1.1 integration web service. 219 operations covering customers, suppliers, stock items...54.2 TUI Group Soap APIThe Soap API from TUI Group — 1 operation(s) for soap.53.1 Workday Report Writer APISOAP web service API for creating, managing, and executing custom reports in Workday using Report Writer fu...52.7 Workday Benefits Administration Web Service (SOAP)The Benefits Administration Web Service contains operations that expose Workday Human Capital Management Bu...52.6 vSphere Web Services APIComprehensive SOAP-based API providing access to all vSphere management functionality including virtual mac...52.3 ACORD XML Standards APIACORD XML Standards define data exchange formats for property & casualty, life, annuity, and reinsurance us...51.7 CSG Singleview Billing APICSG Singleview is a comprehensive convergent billing and revenue management platform designed for communica...50.5 Optus SMS Suite MMS MM7 APIImplementation of the 3GPP MM7 SOAP protocol for sending and receiving MMS, carrying text, image, audio, vi...50.1 Optus SMS Suite SOAP APIWSDL-described SOAP interface for SMS integration supporting custom source addressing, message classificati...50.1 Workday Compensation SOAP Web Services (WWS v47.0)Workday Web Services for compensation, published as WSDL 1.1 on community.workday.com under the urn:com.wor...49.9 TraceLink Product Track (SOAP)SOAP web service supporting Product Track pick-and-ship operations for US DSCSA serialized product movement...49.6 TraceLink Serial Number Exchange (SOAP)SOAP web service for requesting serial numbers from TraceLink Serial Number Exchange, used by packaging lin...49.6 TraceLink Serialized Operations Manager (SOAP)SOAP web service for serialized operations: commissioning, aggregation, decommissioning, shipment and recei...49.6 Datastream Web Service APIAPI providing access to Datastream content, the world's leading time series database, via SOAP/XML and REST...49.3 Refinitiv Knowledge Direct APIWeb services API integrating financial market data, news, and analytics into websites, trading platforms, a...49.3 ERCOT MarkeTrak APISOAP API over MarkeTrak, ERCOT's retail-market issue tracking system, supporting QueryList, QueryDetail, Up...49.1 ERCOT Retail APISOAP web service supporting Texas Standard Electronic Transactions (TX SET) between ERCOT, Transmission and...49.1 ERCOT Web Services (EWS)ERCOT's SOAP web-services estate for Nodal market participants — the Market Information Service, Market Tra...49.1 FRA Safety Data Web ServicesThe Federal Railroad Administration's rail safety web services, and the only SOAP surface in the department...49.0 Itron IEE Web ServicesLegacy web-service surface for Itron Enterprise Edition (IEE) Meter Data Management. Documented as a mix of...48.8 MISO EDR Service (Electronic Data Reporting)A SOAP service for uploading meter data and offer data to MISO, with a published WSDL and six XSD schemas (...48.7 MISO FTR MPMA Market User APIThe Financial Transmission Rights / Multi-Period Multi-Auction market user API — four SOAP services coverin...48.7 Windows Remote Management (WinRM)WS-Management protocol implementation for remote management of Windows servers using SOAP-based web service...48.1 Do Not Call Register Real Time Access (RTA) Washing ServiceThe Do Not Call Register is operated by the ACMA under the Do Not Call Register Act 2006. Telemarketers and...47.9 IESO Market Information Management (MIM) Web ServicesSOAP web services that let registered Ontario market participants submit and retrieve market information pr...46.8 Workday SOAP Web ServicesComprehensive SOAP-based web services for deep integration with Workday including Human Capital Management,...46.7 Sepasoft Web ServicesThe REST and SOAP surface the Sepasoft Web Services module exposes. Endpoints are authored by the operator ...46.4 LSEG DataScope Select - SOAP APISOAP-based web service API for DataScope Select, providing extraction functionality for global pricing, ref...45.8 SPP Integrated Marketplace Markets Web ServiceThe SOAP web and notification services market participants use to submit offers and bids and retrieve resul...45.2 Webex XML APIThe Webex XML API is the legacy SOAP-style interface for deep integration with Webex Meetings. It supports ...45.1 Kareo Integration SOAP APIThe Kareo Integration SOAP API provides a web services interface for integrating third-party applications w...44.8 Salesforce Knowledge SOAP APISOAP API for managing knowledge articles with enterprise integration.44.8 HRSA Health Center Data Web ServiceThe HRSA Health Center Data Web Service allows querying for federally qualified health centers by state, co...42.5 PubChem PUG SOAP APILegacy SOAP/XML web service interface for PubChem providing structure search, identity search, and chemical...41.9 SAP Business ByDesign SOAP Web ServicesSOAP-based web services API for system-to-system integration with SAP Business ByDesign. Provides access to...41.8 QlikView Management API (QMS API)SOAP-based API for QlikView management and administration tasks.41.7 Workday Custom Reports APIAPI for managing and executing custom reports programmatically.40.6 Workday Prism Analytics SOAP Web ServiceSOAP web service for creating, editing, and retrieving objects related to Prism Analytics, including analyt...40.6 Veradigm Unity APIThe Veradigm Unity API exposes clinical, scheduling, demographic, and practice management functions across ...40.5 Nabla Core APIThe Nabla Core API transcribes medical encounters, generates structured clinical notes (for example SOAP), ...39.4

Thin 16 Limited public surface area

OWASP ZAP Soap APIThe soap API from OWASP ZAP — 2 operation(s) for soap.37.6 Yardi Store Web Services API (SWS2)SOAP-based API for Yardi's self-storage management platform, formerly CenterShift. SWS2 provides tokenized ...36.8 Tipalti SOAP APILegacy SOAP-based API providing Payer and Payee functions including payee registration, payment processing,...36.3 Nmbrs SOAP CompanyService (Legacy)Legacy SOAP v3 CompanyService (120+ operations, e.g. Company_GetCurrentPeriod, Run_GetList, RunRequest_Inse...36.2 Nmbrs SOAP DebtorService (Legacy)Legacy SOAP v3 DebtorService for the accountant/debtor tier that owns companies (e.g. AccountantContact_Get...36.2 Nmbrs SOAP EmployeeService (Legacy)Legacy SOAP v3 EmployeeService (300+ operations, e.g. Employee_GetCurrent, Contract_GetAll, Salary_GetCurre...36.2 Apache CXFCXF provides Java APIs for building SOAP (JAX-WS) and REST (JAX-RS) web services with WSDL-first and code-f...34.9 NAESB Electric Industry Registry (EIR) webRegistry Web ServicesThe NAESB Electric Industry Registry is the central repository of registry information used by the North Am...34.8 Watchmaker Genomics Storefront SOAP APIThe Adobe Commerce SOAP surface on Watchmaker Genomics' own host. /soap/all?wsdl_list=1 enumerates 200 serv...34.0 ARIA Access APIThe legacy ARIA Access API provides SOAP and REST access to core ARIA entities including patients, appointm...33.7 Rayonier GIS Services (ArcGIS REST)Rayonier's self-managed ArcGIS Enterprise 11.5 server (portalDeploymentType ArcGISEnterprise, single tenant...32.1 USADATA Leads Engine Service (SOAP)Publicly served SOAP 1.1 / 1.2 web service behind the USADATA Leads Portal and Leads Module. The WSDL is se...31.4 Magento SOAP APIThe Adobe Commerce SOAP API exposes the same service contracts as the REST API through a WSDL 1.2 interface...30.7 SAP Business One DI APICOM-based Data Interface API for the SQL Server edition of SAP Business One providing programmatic access t...30.1 SYSPRO e.net Solutions APISYSPRO e.net Solutions provides a framework for building custom business applications that integrate with S...29.4 Bloomberg Data License APIEnterprise data delivery platform providing bulk financial data via SFTP and SOAP API. Supports requesting ...27.5

Emerging 16 Early or largely undocumented

Entergy ArcGIS ServerEntergy's electric-network GIS platform at gis.entergy.com, running Esri ArcGIS Server 10.7.1. The service-...26.0 Adaptive Integration Fabric APIThe Adaptive Integration Fabric (formerly Ivory Suite) enables enterprises to rapidly expose IBM z/OS and z...25.7 DSML for eDirectory (SOAP)DSML v2 for eDirectory ships a deployable Java web archive (.war) that exposes Novell eDirectory as a SOAP ...25.3 GroupWise Web Services (SOAP)Server-side SOAP protocol for reading and writing a GroupWise user's mailbox, spoken directly to the GroupW...25.3 SmartSimple Web Services (SOAP) APIThe legacy SOAP Web Services API, exposed per instance via a WSDL at /WS/services/UtaUpdate?wsdl (for examp...24.4 Natural Resources Conservation Service SOAP APIThe SOAP API from Natural Resources Conservation Service — 1 operation(s) for soap.24.1 Air Transat NDC Direct Connect API (Radixx ConnectPoint)The direct-connect flight shopping, booking, payment and servicing API that Air Transat publishes to OTA an...23.7 Jetstar APIThe Jetstar API is Jetstar's direct-connect distribution channel for Registered Travel Agents and partners....22.8 Bloomberg Data LicenseEnterprise bulk data delivery platform for reference data, pricing, corporate actions, and analytics. Suppo...20.8 SOAP 1.2 ProtocolSOAP Version 1.2 (W3C Recommendation, 2003/2007 Second Edition) is a lightweight protocol for exchanging st...20.5 Vertafore AMS360 WSAPIThe established SOAP web service for AMS360 (versions 2.4 and 3.0), exposed as WSAPIService.svc and authent...16.5 Five9 Configuration Web ServicesSOAP-based Web Services API for configuring and administering the Five9 contact center, including campaigns...16.2 Moodle Web Services APIExposes Moodle functionality as web services so external programs can integrate with a Moodle site for user...13.2 NetSuite SuiteTalk SOAP Web ServicesLong-standing SOAP-based integration API to NetSuite records and business logic, suitable for bulk operatio...12.5 Blackboard Learn SOAP API (Legacy)Legacy SOAP web services for Blackboard Learn integrations.12.2 Associated Bank jXchange (Jack Henry) IntegrationAssociated Bank surfaces core-banking integration through its core provider, Jack Henry, via the jXchange S...12.0

Minimal 1 Almost no public developer surface

CargoWise eAdaptor Outbound APIThe eAdaptor Outbound Service is the webhook equivalent - CargoWise emits messages to a listening SOAP serv...10.4

Companies reaching this through an API (66)

These companies publish an API, specification or operation carrying “SOAP” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

ACORD Adaptigent Aeris Associated Bank Avalara Blackboard Bloomberg Enterprise Bloomberg Intelligence Boomi CargoWise Cisco Webex Meetings CSG Systems Cvent Cvent Hospitality Cloud Dow Jones Entergy ERCOT Experian FIS Global Five9 HHS (US Department of Health and Human Services) IESO Itron Jetstar Kareo Magento Microsoft Dynamics NAV Microsoft Exchange Microsoft Windows Server MISO Moodle Nabla NAESB Natural Resources Conservation Service Optus Oracle NetSuite Oracle Siebel OWASP ZAP PubChem Rayonier Refinitiv Refinitiv Eikon Salesforce Salesforce Knowledge Management Salesforce Marketing Cloud Salesforce Sales Cloud Salesforce Service Cloud APIs SAP Business One Sepasoft Southwest Power Pool

Show all 66 companies ↓

SYSPRO Tebra Tipalti TraceLink Transat TUI Group U.S. Department of Transportation Varian Medical Systems Veradigm (Allscripts) Vertafore VMware Watchmaker Genomics Workday Integration Workday Report Writer Workday Reporting Yardi

Score breakdown

Frequency

55.4

log-scaled weighted occurrences

Breadth

0.5

spread across providers

Quality lift

48.9

mean composite of providers using it

Cohesion

4.3

strength of nearest seed neighbor

Where this tag comes from

Provider tag19

Api tag101

Openapi tag3

Openapi op tag4

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Providers using this tag (19)

APIs with this tag (101)