established · 0.0 market industry

United Kingdom

Score 28.0 / 100 335 providers +2 via APIs 29 APIs Search apis.io →

Providers using this tag (335)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 1 Complete, well-documented, and agent-ready
EDF EnergyEnergyUtilitiesElectricity2 APIs66.5
Strong 18 Solid coverage with minor gaps
UK Power NetworksEnergyUtilitiesElectricity2 APIs66.0XoserveEnergyGasUtilities2 APIs64.2Electricity North WestEnergyUtilitiesElectricity2 APIs64.0MoneyhubPaymentsOpen BankingOpen Finance1 API61.3GoodlordReal-EstatePropTechProperty Management3 APIs60.7University of WarwickUniversityHigher EducationEducationResearch2 APIs60.1Northern PowergridEnergyUtilitiesElectricity2 APIs60.0Super PaymentsCompanyPaymentsOpen BankingCash Rewards1 API58.4PaymentsensePaymentsPayment GatewayPayment Processing4 APIs58.1Ordnance SurveyReal-EstateLand RegistryGeospatial10 APIs57.9ReapitReal-EstatePropTechCRM7 APIs57.9StotlesCompanyProcurementPublic SectorGovernment2 APIs57.7GSMATelecommunicationsStandardsTrade Association18 APIs57.0Smart PensionPensionsRetirementworkplace-pensionauto-enrolment2 APIs56.6DojoPaymentsPayment GatewayPayment Processing5 APIs56.2HM Land RegistryReal-EstateLand RegistryOpen Data11 APIs56.2AlgbraFinancial-ServicesBankingOpen BankingPSD21 API55.4University of CambridgeEducationHigher EducationUniversityResearch1 API55.2
Developing 83 Usable, with meaningful gaps to close
HildebrandEnergyUtilitiesElectricity5 APIs54.1Street.co.ukReal-EstatePropTechCRM6 APIs54.0first directFinancial-ServicesBankingOpen BankingPSD24 APIs53.1Trust PaymentsPaymentsPayment GatewayPayment Processing2 APIs52.5The Bank of LondonCompanyBankingClearing BankPayments1 API52.2CentricaEnergyUtilitiesElectricity1 API51.9SembleHealthcareEHRPractice Management6 APIs51.9Scottish and Southern Electricity NetworksEnergyUtilitiesElectricity1 API51.6GSMA Open GatewayTelecommunicationsNetwork APIsCAMARA22 APIs51.4n3rgyEnergyUtilitiesSmart Metering1 API51.3Landmark Information GroupReal-EstatePropTechProperty Data5 APIs51.2TUI GroupTravelAviationAirline21 APIs50.8ModulrPaymentsBanking as a ServiceEmbedded Finance1 API50.4University of ManchesterUniversityHigher EducationEducationResearch2 APIs50.4BeazleyInsuranceProperty and CasualtyCyber Insurance14 APIs50.2CardstreamPaymentsPayment GatewayPayment Processing4 APIs50.0UtilitaEnergyUtilitiesElectricity1 API49.5CashflowsPaymentsPayment GatewayPayment Processing4 APIs49.4NHS EnglandHealthcareNational Health SystemFHIR7 APIs49.1Weatherbys BankFinancial-ServicesBankingOpen BankingPSD24 APIs49.1Smart DCCEnergyUtilitiesElectricity1 API48.5OfcomTelecommunicationsRegulatorBroadband2 APIs48.1Arthur OnlineReal-EstateProperty ManagementPropTech32 APIs47.9Starling BankFinancial-ServicesBankingOpen BankingPSD21 API47.8Virgin Money UKFinancial-ServicesBankingOpen BankingPSD21 API47.8ClearBankFinancial-ServicesBankingBanking as a ServiceEmbedded Banking11 APIs47.2UK Civil Aviation AuthorityTravelAviationAirline1 API47.1HumaHealthcareRemote Patient MonitoringTelehealth1 API46.8WhitespaceInsuranceReinsuranceProperty and Casualty1 API46.8Triodos Bank UKFinancial-ServicesBankingOpen BankingPSD22 APIs46.5Danske Bank (UK)Financial-ServicesBankingOpen BankingPSD211 APIs46.4PPLInsuranceLondon MarketLloyd's of London5 APIs46.3Yorkshire Building SocietyFinancial-ServicesBankingBuilding SocietyOpen Banking4 APIs46.3Lancaster UniversityUniversityHigher EducationEducation2 APIs46.2Allica BankFinancial-ServicesBankingOpen BankingPSD22 APIs46.0Land InsightCompanyReal-EstatePropertyLand1 API45.9WealthKernelCompanyInvestingWealth ManagementBrokerage1 API45.9Alto (Vebra / Zoopla)Real-EstatePropTechProperty Listings4 APIs45.8TMT IDTelecommunicationsIdentity VerificationMobile Identity7 APIs45.6C. Hoare & Co.Financial-ServicesBankingPrivate BankOpen Banking3 APIs45.5AdfinCompanyFintechPaymentsInvoicing1 API45.1Form3PaymentsPayment ProcessingAccount-to-Account1 API45.1Virgin AtlanticTravelAviationAirline12 APIs45.0The Co-operative BankFinancial-ServicesBankingOpen BankingPSD21 API44.8University of SheffieldUniversityHigher EducationEducation1 API44.0WagestreamFinancial WellbeingEarned Wage AccessFintechPayroll2 APIs43.9HometrackReal-EstatePropTechValuation6 APIs43.8GOV.UK NotifyNotificationEmailSMSText Messages1 API43.7University of YorkUniversityHigher EducationEducation3 APIs43.7Tribe PaymentsPaymentsIssuer ProcessorCard Issuing15 APIs42.8InvestecFinancial-ServicesBankingOpen BankingPSD23 APIs42.7Ripe InsuranceInsuranceInsurtechManaging General Agent2 APIs42.7ScottishPowerEnergyUtilitiesElectricity1 API42.7Hampden & CoFinancial-ServicesBankingPrivate BankingOpen Banking3 APIs42.5University of EdinburghUniversityHigher EducationEducation11 APIs42.4ThrivaCompanyHealthcareDiagnosticsBlood Testing1 API42.1Vanquis Banking GroupFinancial-ServicesBankingOpen BankingPSD23 APIs42.1Nationwide Building SocietyFinancial-ServicesBankingBuilding SocietyOpen Banking3 APIs41.9Coventry Building SocietyFinancial-ServicesBankingBuilding SocietyOpen Banking4 APIs41.8VoltPaymentsOpen BankingAccount-to-Account1 API41.8AIB Group (UK)Financial-ServicesBankingOpen BankingPSD21 API41.6Cardiff UniversityEducationHigher EducationUniversityPublic Research University5 APIs41.4KrooFinancial-ServicesBankingOpen BankingPSD23 APIs41.4ThreddPaymentsIssuer ProcessorCard Issuing10 APIs41.4University of OxfordUniversityHigher EducationEducationResearch4 APIs41.4ElexonElectricityEnergyUK Energy MarketBalancing Mechanism1 API41.3Chase UKFinancial-ServicesBankingOpen BankingPSD23 APIs41.2FixfloReal-EstateProperty ManagementPropTech1 API41.1Cashplus BankFinancial-ServicesBankingOpen BankingPSD23 APIs41.0University of SouthamptonUniversityHigher EducationEducationRussell Group3 APIs40.8WorldFirstPaymentsCross-BorderMoney Transfer3 APIs40.6Monument BankFinancial-ServicesBankingOpen BankingPSD24 APIs40.5PaysendPaymentsCross-BorderMoney Transfer1 API40.2Liberty GlobalTelecommunicationsBroadbandFixed Broadband3 APIs39.9Secure Trust BankFinancial-ServicesBankingOpen BankingPSD24 APIs39.9Aldermore BankFinancial-ServicesBankingSavingsSpecialist Lending4 APIs39.8Bank of Ireland (UK)Financial-ServicesBankingOpen BankingPSD24 APIs39.8KriyaCompanyFintechPaymentsEmbedded Finance2 APIs39.7Tandem BankFinancial-ServicesBankingOpen BankingPSD23 APIs39.7Recognise BankFinancial-ServicesBankingOpen BankingPSD24 APIs39.6MettleFinancial-ServicesBankingBusiness BankingOpen Banking1 API39.5zopaCompanyBankingFintechOpen Banking2 APIs39.5TSB BankFinancial-ServicesBankingOpen BankingPSD22 APIs39.4
Thin 73 Limited public surface area
CouttsFinancial-ServicesBankingPrivate BankWealth Management3 APIs39.1University of LiverpoolEducationHigher EducationUniversityRussell Group14 APIs38.8SpriftReal-EstatePropTechProperty Data1 API38.6Lloyds Banking GroupFinancial-ServicesBankingOpen BankingPSD25 APIs38.5University of BristolUniversityHigher EducationEducation1 API38.3Santander UKFinancial-ServicesBankingOpen BankingPSD24 APIs38.2HalifaxFinancial-ServicesBankingOpen BankingPSD21 API38.1University of ReadingUniversityHigher EducationEducationResearch3 APIs38.1Handelsbanken UKBankingOpen BankingFinancial-ServicesPSD27 APIs37.9CovaticCompanyAdvertising TechnologyAdTechAudience Intelligence2 APIs37.4HnryAccountingTaxPaymentsInvoicing1 API37.3Imperial College LondonUniversityHigher EducationEducationRussell Group1 API37.3Metro BankFinancial-ServicesBankingOpen BankingPSD21 API37.3GB BankFinancial-ServicesBankingOpen BankingPSD24 APIs37.1Muse FinanceCompanyEmbedded FinanceInvoice FinanceTrade Finance1 API37.0EMIS HealthHealthcareEHREMR1 API36.8King's College LondonUniversityHigher EducationEducationRussell Group6 APIs36.8Cynergy BankFinancial-ServicesBankingOpen BankingPSD23 APIs36.3char.gyEnergyEV ChargingElectricity1 API35.9Lloyd's of LondonInsuranceReinsuranceSpecialty Insurance4 APIs35.6Skipton Building SocietyFinancial-ServicesBankingBuilding SocietyOpen Banking1 API35.4ECOMMPAYPaymentsPayment GatewayPayment Processing4 APIs35.1London School of Economics and Political ScienceUniversityHigher EducationEducation1 API35.1PurplebricksReal-EstateProperty ListingsOnline Estate Agency32 APIs34.9Thought MachineCompanyBankingCore BankingFinancial-Services2 APIs34.9CuvvaCompanyInsuranceInsurtechCar Insurance1 API34.6OrdoPaymentsOpen BankingAccount-to-Account6 APIs34.5ZooplaReal-EstateProperty ListingsProperty Portal3 APIs34.4Paragon BankFinancial-ServicesBankingSavingsMortgages4 APIs34.2Principality Building SocietyFinancial-ServicesBankingBuilding SocietySavings1 API34.2University of LeedsUniversityHigher EducationEducation4 APIs34.0Shawbrook BankFinancial-ServicesBankingSavingsSpecialist Lending4 APIs33.9takepaymentsPaymentsPayment GatewayPayment Processing1 API33.9FnaticCompanyEsportsGamingEntertainment2 APIs33.4Bank of ScotlandFinancial-ServicesBankingOpen BankingPSD24 APIs33.0HiscoxInsuranceProperty and CasualtySpecialty Insurance4 APIs33.0University of NottinghamEducationHigher EducationUniversityRussell Group5 APIs33.0University of BirminghamEducationHigher EducationUniversity1 API32.6Heriot-Watt UniversityUniversityHigher EducationEducationScotland6 APIs32.5INSTANDAInsuranceInsurtechPolicy Administration32.5OpenPrescribingHealthcareNHSPrescribing1 API32.5University of ExeterUniversityHigher EducationEducationResearch10 APIs32.5RICS (Royal Institution of Chartered Surveyors)Real-EstateIndustry BodyValuation1 API32.4Apex27Real-EstatePropTechProperty Listings2 APIs32.3University of GlasgowUniversityHigher EducationEducation1 API32.1Artificial LabsInsuranceInsurtechUnderwriting32.0BupaInsuranceHealth InsuranceLife and Health2 APIs31.7OfgemEnergyUtilitiesElectricity31.7University of St AndrewsEducationHigher EducationUniversityPublic Research University7 APIs31.5National Grid Electricity DistributionEnergyUtilitiesElectricity2 APIs31.1University of SussexUniversityHigher EducationEducation5 APIs31.1Financial Conduct AuthorityInsuranceRegulatorMarket Infrastructure2 APIs30.7Lightning Social VenturesCompanyFinancial InclusionGrantsSocial Impact1 API30.5Leeds Building SocietyFinancial-ServicesBankingBuilding SocietyMutual1 API30.410x Banking Technology ServicesFinancial-ServicesBankingCore BankingCloud-Native1 API30.0Kraken TechnologiesEnergyUtilitiesElectricity2 APIs29.8TwentyCiReal-EstatePropTechProperty Data2 APIs29.8National Energy System Operator (NESO)EnergyElectricityEnergy Markets2 APIs29.7Good EnergyEnergyUtilitiesElectricity1 API29.1Queen Mary University of LondonUniversityHigher EducationEducationResearch11 APIs28.8Pod PointEnergyEV ChargingElectric Vehicles1 API28.6OmazeCompanyCharityFundraisingNon-Profit3 APIs27.9RightmoveReal-EstateProperty ListingsProperty Portal1 API27.9CytoraInsuranceInsurtechCommercial Insurance2 APIs27.5Loughborough UniversityEducationHigher EducationUniversity7 APIs27.5Newcastle UniversityUniversityHigher EducationEducation2 APIs27.5Knight FrankReal-EstateProperty ListingsCommercial Real Estate1 API27.3University of AberdeenEducationHigher EducationUniversityResearch10 APIs27.3Legal & GeneralInsuranceLife InsuranceHealth Insurance27.1Science Museum GroupMuseumsCollectionCultural HeritageOpen Data1 API27.0Heathrow AirportTravelAirportsAviation3 APIs26.8UCLEducationHigher EducationUniversity6 APIs26.6E.ON NextEnergyUtilitiesElectricity1 API26.5
Emerging 92 Early or largely undocumented
British AirwaysTravelAviationAirline1 API25.4Aviva plcInsuranceProperty and CasualtyLife Insurance2 APIs25.3University of BathUniversityHigher EducationEducation5 APIs24.6TPP (SystmOne)HealthcareEHREMR6 APIs24.5Virgin Media O2TelecommunicationsMobile Network OperatorBroadband1 API24.5Big Picture MedicalCompanyHealthcareElectronic Health RecordsopenEHR24.4Ki InsuranceInsuranceLloyd's of LondonSpecialty Insurance1 API24.2Connells GroupReal-EstateProperty ListingsBrokerage1 API24.1RSA InsuranceInsuranceProperty and CasualtyCommercial Lines24.1KRY | LIVICompanyHealthcareDigital HealthTelemedicine24.0CoadjuteReal-EstatePropTechProperty Transactions23.3National Energy System OperatorEnergyElectricityGridOpen Data1 API23.3VitalityInsuranceHealth InsuranceLife Insurance1 API23.1Connected KerbCompanyEV ChargingElectric VehiclesCharge Point Operator2 APIs23.0FreetradeCompanyInvestingStock TradingBrokerage23.0Future Perfect (Healthcare)CompanyHealthcareHealth ITElectronic Health Records22.9TrainlineTravelRailEurope1 API22.7ManyPetsCompanyInsuranceInsurtechPet Insurance22.4MarshmallowInsuranceInsurtechProperty and Casualty22.1Queen's University BelfastUniversityHigher EducationEducationResearch5 APIs22.0ZapmapEnergyEV ChargingElectric Vehicles3 APIs21.7Open GIInsuranceIrelandBrokers1 API20.7Three UKTelecommunicationsMobile Network OperatorNetwork APIs20.4Tokamak EnergyCompanyFusion EnergyEnergySuperconductors9 APIs20.4Send TechnologyInsuranceInsurtechUnderwriting20.3GlobacapCompanyPrivate Capital MarketsCapital MarketsSecurities20.0Motics TechnologiesCompanyHealthcareArtificial IntelligenceAI Agents20.0OVO EnergyEnergyUtilitiesElectricity19.8By MilesInsuranceInsurtechProperty and Casualty19.5HuelCompanyFood and BeverageNutritionConsumer Packaged Goods1 API19.5Pay.UKPaymentsReal-Time PaymentsISO 2002219.3PauaCompanyEV ChargingElectric VehiclesFleet Management1 API19.2LendInvestCompanyFintechLendingMortgages18.9PropertymarkReal-EstateIndustry BodyEstate Agents18.0REalyseCompanyPropertyReal-EstateData1 API18.0TideCompanyFintechBusiness BankingPayments18.0Howden GroupInsuranceBrokersInsurance Broking17.8FoxtonsReal-EstateProperty ListingsRentals17.4Calderdale Data WorksOpen DataCKANData CatalogDCAT1 API17.3Essex Open DataOpen DataCKANData CatalogDCAT1 API17.3UK Government Open DataOpen DataCKANData CatalogDCAT1 API17.3ConvexInsuranceProperty and CasualtySpecialty Insurance1 API16.3data.gov.uk CKAN Publishing ServiceOpen DataCKANData CatalogDCAT1 API16.2InvestlyCompanyFintechInvoice FinanceInvoice Discounting1 API16.2OnTheMarketReal-EstateProperty ListingsProperty Portal1 API16.2AccurxHealthcareClinical CommunicationNHS16.1FlexitricityEnergyUtilitiesElectricity16.0Admiral GroupInsuranceProperty and CasualtyMotor Insurance15.8AccordFinancial-ServicesInsuranceMortgages15.7Barnet Open DataOpen DataCKANData CatalogDCAT1 API15.7Data Mill North (Leeds)Open DataCKANData CatalogDCAT1 API15.7Leeds Data MillOpen DataCKANData CatalogDCAT1 API15.7NHS Scotland Open DataOpen DataCKANData CatalogDCAT1 API15.7OpenDataNI (Northern Ireland)Open DataCKANData CatalogDCAT1 API15.7SatagoCompanyFintechInvoice FinanceCredit Control15.7Spatial Hub ScotlandOpen DataCKANData CatalogDCAT1 API15.7TemCompanyEnergyElectricityUtilities1 API15.6BriefcaseCompanyAccountingBookkeepingFintech15.5Redwood BankFinancial-ServicesBankingBusiness BankingSME1 API15.5Immigram LTDCompanyImmigrationVisaRelocation15.4MoneyboxCompanyFinancial-ServicesFintechWealth Management15.4HomeTouchCompanyHealthcareHome CareElderly Care15.2Atom LearningCompanyEdTechEducationExam Preparation15.1Prudential plcInsuranceLife InsuranceHealth Insurance14.8WayhomeCompanyPropTechFintechReal-Estate14.6ANNA MoneyFinancial-ServicesBankingFintechBusiness Account14.4BorrowMyDoggyCompanyPetsDogsMarketplace14.4Butternut BoxCompanyPet CarePet FoodDirect to Consumer14.3Click MechanicCompanyAutomotiveCar RepairMarketplace14.2easyJetTravelAviationAirline1 API14.2KareInnCompanyCare HomesDigital Care PlanningCare Management14.1MyBuilderCompanyHome ServicesMarketplaceTradespeople14.0ZilchPaymentsBuy Now Pay LaterConsumer Credit13.9VodafoneTelecommunicationsTelcoMobile Network Operator5G27 APIs13.8SidekickCompanyWealth ManagementInvestingSavings13.3FuseCompanyEnergyUtilitiesElectricity13.2Fuse EnergyCompanyClimateEnergyUtilities13.2LendableCompanyFinancial-ServicesLendingPersonal Loans13.2DoorFeedCompanyFintechPropTechReal-Estate12.8IHG Hotels & ResortsTravelHospitalityHotels12.8Nutmeg (J.P. Morgan Personal Investing)CompanyWealth ManagementRobo-AdvisorInvesting12.7Mind FoundryCompanyArtificial IntelligenceMachine-LearningDefence12.6ActurisInsuranceBrokersAgency Management12.5ConcirrusInsuranceInsurtechSpecialty Insurance12.5PlotAPIAutomotiveVehicle DataVINMOT1 API12.4Electric Car SchemeCompanyElectric VehiclesSalary SacrificeEmployee Benefits12.1flatfairCompanyFintechPropTechRentals11.9London House Exchange (Property Partner)CompanyReal-EstatePropertyFintech11.9HealtheraHealthcarePharmacyPatient Engagement11.5Tooth FairyCompanyDentalTelehealthHealthcare11.1TripledotCompanyGamingMobile GamesCasual Games11.1CarwowCompanyConsumerAutomotiveMarketplace11.0
Minimal 66 Almost no public developer surface
PragmaticCompanySemiconductorsHardwareManufacturing1 API10.9CarmoolaCompanyFintechAutomotiveCar Finance10.6DwellyCompanyReal-EstateProperty ManagementLettings10.6ProGradCompanyConsumerRewardsMobile App10.6ProportunityCompanyFintechPropTechMortgage10.6Truly ExperiencesCompanyExperienceGiftingE-Commerce10.6MedeferCompanyHealthcareHealthNHS10.5On the BeachTravelOTAOnline Travel Agency10.5OxaCompanyAutonomous VehiclesAutomotiveRobotics10.4The Modern MilkmanCompanyConsumerGrocery DeliveryDirect to Consumer10.4NumanCompanyHealth TechTelemedicineTelehealth10.2WollitCompanyFintechCreditCredit Building10.2Push DoctorCompanyHealthcareTelehealthTelemedicine10.0HabitoCompanyFintechMortgagesLending9.7RepositCompanyFintechPropTechInsurance9.7SuperscriptCompanyInsuranceBusiness InsuranceInsurtech9.7TaxscoutsCompanyTaxAccountingFintech9.7Bloom & WildCompanyE-CommerceRetailFlowers9.6Direct Line GroupInsuranceProperty and CasualtyPersonal Lines9.5GoustoCompanyConsumerMeal KitFood Delivery9.3So SureCompanyInsuranceInsurtechMobile Insurance9.3DishpatchCompanyFoodMeal DeliveryFood Delivery9.2SourcefulPackagingSustainable PackagingPackaging DesignVisual AI9.2Urban JungleInsuranceInsurtechProperty and Casualty9.1YonderCompanyFinancial-ServicesFintechCredit Cards9.1LottieCompanyHealthcareCare HomesElderly Care9.0AdargaCompanyArtificial IntelligenceDefenseNational Security8.9LantumHealthcareWorkforce ManagementNHS8.7SavillsReal-EstateCommercial Real EstateProperty Listings8.7BT GroupTelecommunicationsTelcoMobile NetworkBroadband15 APIs8.5TuliCompanyHealthcareDiagnosticsBlood Testing8.5LawhiveCompanyLegalLegal ServicesLegal Tech8.3Close BrothersFinancial-ServicesBankingMerchant BankingSpecialist Lending8.2Atom BankCompanyFintechBankingDigital Bank8.0TineyCompanyFuture Of WorkChildcareEarly Years Education8.0Avenue3CompanyConsultingHealthcareopenEHR7.7LeviceptCompanyBiotechnologyPharmaceuticalsLife Sciences7.6NOTHSCompanyRetailE-CommerceMarketplace7.6THGCompanyE-CommerceConsumer BrandsBeauty7.6AddionicsCompanyBatteriesEnergy StorageAdvanced Materials7.4Chipper CashFintechAfricaCross-Border PaymentsMoney Transfer7.3PulmocideCompanyBiotechnologyPharmaceuticalsLife Sciences6.9Jet2TravelAviationAirline6.7VsimCompanyArtificial IntelligenceRoboticsPhysics Simulation6.7IMP SoftwareCompanyEducationEdTechFintech6.6EvriLogisticsSupply ChainParcel6.5freshEHRCompanyConsultingHealthHealthcare6.5GetagentCompanyPropTechReal-EstateEstate Agents5.7TekeverDefenseDefence TechnologyUnmanned Aerial SystemsDrones5.5Affy MedTechCompanyHealthcareHealth ITElectronic Health Records5.0Cambridge AerospaceCompanySecurityDefenseAerospace5.0CazooCompanyE-CommerceAutomotiveUsed Cars5.0crowdcubeCompanyEquity CrowdfundingInvestingFintech5.0FluidlyCompanyFintechCash FlowCash Flow Forecasting5.0HassleCompanyConsumerCleaningHome Services5.0nestedCompanyReal-EstatePropTechEstate Agency5.0OneSwoopCompanyAutomotiveCarsPrice Comparison5.0PrimaryBidCompanyFintechCapital MarketsIPO5.0MedbelleCompanyHealthcareDigital HealthElective Surgery4.4CeraHealthcareTelehealthHome Care3.7AccelerCommCompanySemiconductorsSemiconductor IPTelecommunications3.4Circle Health GroupCompanyHealthcarePrivate HospitalsMedical3.3getdinghyCompanyInsuranceInsurtechFreelancers2.3TuzaCompanyFintechBankingAI Agents1.5TrussleCompanyMortgageFintechFinancial-Services1.2LanistarCompanyDefunctFinancial-ServicesFintech0.0
Unrated 2 Not yet scored
City Reach InternationalCompanyTelecommunicationsInternet InfrastructureDefunctrentifyCompanyPropTechReal-EstateProperty Management

APIs with this tag (29)

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 1 Complete, well-documented, and agent-ready
EDF Kraken GraphQL APIEDF Energy's primary developer API, and the surface EDF markets as its "open tariff APIs". It is the Kraken...66.5
Strong 10 Solid coverage with minor gaps
Reapit AgencyCloud Desktop APIA custom URI-scheme API, not an HTTP API, used by AppMarket web applications hosted inside the AgencyCloud ...57.9Reapit Foundations GraphQL APIA GraphQL proxy over the Foundations Platform REST API, released publicly out of internal beta and used in ...57.9Reapit Foundations MCP Server (Alpha)An alpha Model Context Protocol server exposing the Foundations platform to AI agents over Streamable HTTP ...57.9Reapit Foundations Notifications APIAn inbound API that lets a third-party application push real-time event notifications into Reapit products ...57.9Reapit Foundations Platform REST APIThe core Foundations REST API over the Reapit agency CRM data platform. It is documented as a hypermedia RE...57.9Reapit Foundations WebhooksReal-time outbound event delivery from the Reapit CRM to an endpoint you host. Webhooks are created either ...57.9Stotles MCP ServerHosted, remote Model Context Protocol server exposing Stotles public sector market data to AI chat tools an...57.7HM Land Registry Open Data SPARQL APILive SPARQL 1.1 query endpoint over HM Land Registry's open linked data — Price Paid Data transaction recor...56.2HM Land Registry Price Paid Data Linked Data APIW3C Linked Data API over the Price Paid Data dataset, exposing every property sale in England and Wales sol...56.2UK House Price Index Linked Data APIW3C Linked Data API over the UK House Price Index, the official house price statistic calculated by the Off...56.2
Developing 8 Usable, with meaningful gaps to close
CAA Consultations APIThe Citizen Space (Delib) public consultation API deployed on the CAA's consultations domain. Two documente...47.1Acquiring Processor - Acquirer API (ACAPI)Acquirer API (ACAPI, v1) for Tribe's acquiring-processor platform, covering acquirer-side transaction proce...42.8Acquiring Processor - Merchant API (MAPI)Merchant API (MAPI, v1) for onboarding and managing merchants on Tribe's acquiring-processor platform. Docu...42.8Acquiring Processor - Terminal API (TAPI)Terminal API (TAPI, v2) for integrating physical payment terminals with Tribe's acquiring-processor platfor...42.8Acquiring Processor - Tokenization API (TOKAPI)Tokenization API (TOKAPI, v1) for tokenizing card data within Tribe's acquiring-processor platform. Documen...42.8Bank Connect - Payment Services APIPayment Services API (v1) for Tribe's Bank Connect / Banking-as-a-Service product, enabling fintechs to emb...42.8Issuer Processor - Program Manager API (PM API)Program Manager API (v1.2) for card issuers to interact with Tribe's ISAAC issuer-processing platform - iss...42.8SP Energy Networks Open Data Search API (v1.0)The legacy Opendatasoft Search API v1.0 still served alongside Explore v2.1 on the SP Energy Networks Open ...42.7
Thin 8 Limited public surface area
Sprift Data and API (v2, advertised)The API family Sprift advertises on its Data and API product page, recorded here as advertised and NOT as v...38.6char.gy OCPI CPO Roaming APIchar.gy's commercial Open Charge Point Interface implementation in the Charge Point Operator role, used so ...35.9FCA Data Publication API (FIRDS / FITRS)Anonymous machine-to-machine query interface over the file artefacts the FCA publishes through data.fca.org...30.7FCA Financial Services Register APIRead-only REST API over the Financial Services Register, the FCA's public record of authorised firms, indiv...30.7DHL eCommerce UKHandles domestic and international parcel shipments originating from the United Kingdom through DHL eCommerce.29.5Good Energy Customer Identity (OpenID Connect)The OpenID Connect / OAuth 2.0 identity provider behind Good Energy's customer hub at account.goodenergy.co...29.1Pod OCPI 2.2.1 CPO APIPod's Open Charge Point Interface (OCPI) 2.2.1 service in the Charge Point Operator role, used for e-mobili...28.6Rightmove Real Time Data Feed APIThe Real Time Data Feed (RTDF) is Rightmove's incremental HTTPS/JSON interface for UK sales, lettings and o...27.9
Emerging 1 Early or largely undocumented
OnTheMarketUK residential property portal acquired by CoStar Group, providing for sale and to let listings with agent ...19.4
Minimal 1 Almost no public developer surface
Rail Insights APIProvide strategic insights into current and future demand on the UK's railway network derived from BT's mob...8.5

Companies reaching this through an API (2)

These companies publish an API, specification or operation carrying “United Kingdom” 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.

CoStar Group DHL

Score breakdown

Frequency
70.2
log-scaled weighted occurrences
Breadth
9.2
spread across providers
Quality lift
31.9
mean composite of providers using it
Cohesion
11.9
strength of nearest seed neighbor

Related tags

Account Information 46 co-occurrences PSD2 47 co-occurrences OBIE 41 co-occurrences Open Banking 58 co-occurrences Direct Debits 31 co-occurrences Beneficiaries 31 co-occurrences Standing Orders 29 co-occurrences SME 30 co-occurrences

Where this tag comes from

Provider tag335
Api tag29

Cohort brief

Auto-generated

The 324 providers in the APIs.io catalog tagged United Kingdom, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
324
all scored
Mean Kin Score
28.7
+4.8 vs catalog 23.9
Mean Agent Readiness
16
+4 vs catalog 12
Spread
1.2–66.5
median 28.7 · σ 16.1
How the 324 split by band
Exemplar 1Strong 18Developing 83Thin 73Emerging 89Minimal 60
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 27.9 23.4 +4.5 324
Discoverability 65.2 61.2 +4 324
Access Clarity 30.1 26.5 +3.6 324
Contract Quality 22.3 19.8 +2.5 324
Contract Governance 8.4 6.4 +2 324
Operational Transparency 15.3 14 +1.3 324

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 4% 10% -6
MCP server (first-party) 4% 13% -9
Agent Skills 0% 0% 0
OAuth scopes 28% 11% +17
Security 99% 97% +2
Arazzo workflows 3% 2% +1
Governance rules 6% 14% -8

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 EDF Energy 66.5
  2. 2 UK Power Networks 66
  3. 3 Xoserve 64.2
  4. 4 Electricity North West 64
  5. 5 Moneyhub 61.3
  6. 6 Goodlord 60.7
  7. 7 University of Warwick 60.1
  8. 8 Northern Powergrid 60
  9. 9 Super Payments 58.4
  10. 10 Paymentsense 58.1
Top by Agent Readiness
  1. 1 Allica Bank 50.2
  2. 2 Modulr 49.7
  3. 3 Reapit 46.6
  4. 4 Yorkshire Building Society 46.2
  5. 5 Landmark Information Group 45.9
  6. 6 Bank of Ireland (UK) 45.1
  7. 7 Fnatic 44.6
  8. 8 Stotles 44
  9. 9 Fixflo 43.6
  10. 10 Ripe Insurance 43.1
All 335 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 15 September 2026, across 27661 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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The distribution (Pro) 
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