United States
Providers using this tag (306)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 10 Complete, well-documented, and agent-ready
Strong 14 Solid coverage with minor gaps
Developing 73 Usable, with meaningful gaps to close
Hive Agent IQPhotonUniversity of Michigan-Ann ArborSpreedlyAkoyaHuman APIOptionsAhoyMEFFederal Aviation AdministrationVoltusAdvancedMDOrigami RiskUniversity of California, San DiegoGreen Button AllianceTotogiShift4Stanford UniversitySyniverseUniversity of Wisconsin-MadisonISO New EnglandAmerican Express Global Business TravelERCOTPJM InterconnectionU.S. Department of TransportationMISOBondEIAH1University of MinnesotaLuma HealthUniversity of California, Los AngelesLone Wolf TechnologiesUniversity of California, Santa BarbaraViatorFinicityCommureRESO (Real Estate Standards Organization)Purdue UniversityKORE WirelessVirtual PeakerCharitySenseTrestleZotGPT (UC Irvine)Pennsylvania State UniversityACI WorldwideOpenTravel AllianceUniversity of Texas at AustinCon EdisonSouthwest Power PoolGenabilitySendleEast West BancorpFERCUniversity of California, DavisUniversity of WashingtonYale UniversityMoxe HealthStarlinkUniversity of Illinois Urbana-ChampaignRice UniversityGeorgia Institute of TechnologyKeyCorpTuva HealthUniversity of ChicagoBMOSoleraEmory UniversityHarvard UniversityColumbia UniversityWashington University in St. LouisFifth Third BancorpUniversity of FloridaTexas A&M University
Thin 50 Limited public surface area
EasePrinceton UniversityAnywhere Real EstateCarnegie Mellon UniversityUniversity of Maryland College ParkCustomers BankDartmouth CollegeEuronet WorldwideDEUSPROOFUniversity of California, San FranciscoUniversity of PennsylvaniaCornell UniversityCalifornia ISOWeather.govFedNow ServiceMavenirMichigan State UniversityUniversity of PittsburghKeller WilliamsGoldman SachsNachaLexisNexis Risk SolutionsNAESBJohns Hopkins UniversityMoody's RMSFirst Citizens BancSharesGreen DotCapital OneUniversity of California, BerkeleyBrown UniversityVanderbilt UniversityNAICNational Association of REALTORSOrder.coCCC Intelligent SolutionsVaro BankCalifornia Institute of TechnologyCohere HealthRhapsodyArizona State UniversityCitigroupeCFRNavy Federal Credit UnionNew York Independent System Operator (NYISO)University of RochesterSouthern California EdisonMorgan StanleyBoston UniversityCase Western Reserve UniversityOhio State University
Emerging 95 Early or largely undocumented
OfferpadNorthern TrustUniversity of North Carolina at Chapel HillAmwellBluevineLandis+GyrHealthVerityHarbinger HealthBankUnitedEnterprise MobilityHomes.comKlaraZonosUniversity of Southern CaliforniaEnergyHubGovTrackElderly Care MatchJetBlueFinThriveYes EnergyAxos BankWyndham Hotels & ResortsNERCAmerican ExpressBNY MellonAirmartSentry InsuranceResilienceAlaffiaAmtrakRE/MAXUSAAR.E. Merrill & AssociatesAidalySana BenefitsUplightApartments.comOneBlincKalepaEIS GroupHSBC USAInvitaeUMB BankCalifornia Health and Human ServicesCalifornia Natural Resources AgencyCalifornia Open DataMetrobloksEbixAmeriGEOSS Community PlatformAnalyze BostonCity of San JoseData.gov InventoryDOE NETL Energy Data ExchangeHawaii Open Data PortalMedicaid Open DataMilwaukee Open DataNASA Open DataOklahomaSan Bernardino County ATC OpenDataUS Small Business Administration Open DataVirginia Open DataDaveEverBankF.N.B. CorporationTory BurchCommerce BankCity National BankRaymond James BankSAP AmericaThe Clearing House (RTP)UBS Bank USAVistraTOCA FootballAmerica First Credit UnionVori HealthBank of HawaiiLocktonFirst Hawaiian BankAssociated BankHEDNAWintrust FinancialChoice HotelsCurrentMidFirst BankCheckerspotChowbusDouglas EllimanFirst HorizonVedanta BiosciencesFarmers Insurance ExchangeM&T BankGovernment Accountability OfficeMarcus by Goldman SachsDiagonal TherapeuticsBrown & Brown
Minimal 64 Almost no public developer surface
Family Dollar StoresSpark Car WashWebster BankAtlantic Union BankPNCSynovus FinancialBank OZKBECUNuvig TherapeuticsLive Oak BankCowboy Space Corporation (formerly Aetherflux)Cadence BankSecurity Service Federal Credit UnionOld National BankValley National BankAutoGridColumbia BankProsperity BankTexas Capital BankAlly FinancialAST SpaceMobileSchoolsFirst FCUBarclays USPlotAPIAcelerateSantander USChipper CashRandolph-Brooks FCUFirst Tech Federal Credit UnionBOK FinancialComericaState Employees' Credit UnionMISMOPinnacle FinancialAqtualAlliant Credit UnionConceptionFlagstarFinless FoodsPenFed Credit UnionPSEGRetro BiosciencesRadiaCivil MapsAirwavz SolutionsSallie Mae BankAssurelyZions BancorporationCallisto MediaabcMobLuminous Computing1200 PharmaCleanSlateDCU (Digital Federal Credit Union)VyStar Credit UnionGolden 1 Credit UnionMountain America Credit UnionSuncoast Credit UnionProtego Trust BankUniversity of ArizonaBeliever MeatsBlockFiHeartland Financial USASeventy Seven Energy
APIs with this tag (120)
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 →
Developing 20 Usable, with meaningful gaps to close
Akoya Accounts APIFDX-aligned REST endpoints returning the list of a consumer's permissioned accounts and detailed account in...Akoya Apps Management APIPlatform/service API for creating and managing a data recipient's applications on the Akoya network — regis...Akoya Balances APIReturns real-time and available balance information for a consumer's permissioned accounts across the Akoya...Akoya Consent APIPlatform/service API for managing consumer consent grants across the Akoya network, letting data recipients...Akoya Customers APIReturns FDX-aligned customer/party information for the consumer who owns the permissioned accounts — name, ...Akoya Investments APIProvides FDX-aligned investment and brokerage account data for consumer-permissioned accounts, including ho...Akoya Notifications APIPlatform/service API for subscribing to and receiving operational notifications about the Akoya network, su...Akoya Payments APIProvides secure, consumer-permissioned access to ACH and real-time payment (RTP) account credentials — toke...Akoya Statements APILists and retrieves account statements for a consumer's consented accounts, returning the set of available ...Akoya Tax APIRetrieves FDX-aligned tax documents for a consumer's permissioned accounts — 1099 form variants (1099-INT, ...Akoya Transactions APIRetrieves transaction history for a consumer's permissioned accounts, returning FDX-aligned transaction rec...Bond Accounts & Statements APIOpen and manage consumer and commercial deposit accounts, credit accounts, and security-deposit accounts, w...Bond Businesses & KYB APIManage commercial customer entities for embedded business banking — create and update businesses, business ...Bond Cards APIIssue and manage physical, virtual, debit, secured charge, and credit-builder cards. Create cards and card ...Bond Credit APIOpen and service credit accounts for credit-builder and secured charge card programs — submit credit applic...Bond Customers & KYC APICreate, retrieve, update, and delete individual consumer customer resources for a brand and run Know-Your-C...Bond Ledger (Transactions) APIRetrieve all transactions available to a brand with pagination and optional filtering, and fetch details fo...Bond Simulation (Sandbox) APISandbox-only endpoints for deterministically testing banking flows before going live — simulate a card tran...Bond Transfers APIMove money between accounts with ACH transfers and account-to-account fund transfers, and link and manage e...Bond Webhooks APISubscribe to and manage webhook event notifications so applications react in real time to KYC/KYB status ch...
Thin 62 Limited public surface area
Goldman Sachs RIA Custody APIThe Goldman Sachs Custody Solutions (GSCS) RIA Custody platform exposes REST APIs that let advisor firms an...Goldman Sachs Transaction Banking (TxB) APIGoldman Sachs Transaction Banking (TxB) provides programmatic access for eligible partners and clients to e...Green Dot Accounts & Users APIAccount and user management endpoints for the BaaS platform: retrieve and update account details, manage ac...Green Dot ACH APIACH APIs support ACH transfers into and out of BaaS accounts, including retrieval and filtering of ACH tran...Green Dot ATM & Retail Locators APIATM & Retail Locator APIs locate nearby ATMs and Green Dot retail locations for cash deposits, withdrawals,...Green Dot BillPay APIThe BillPay API enables bill payment functionality within partner applications, allowing end users to pay b...Green Dot Cash Deposits & eCash APICash Deposits and Payments APIs — Green Dot's retail cash network capability — let end users add cash or ma...Green Dot Cashback Rewards APICashback Rewards APIs manage cashback rewards programs on partner accounts — creating and managing rewards,...Green Dot Closed Loop P2P APIClosed Loop P2P (Peer-to-Peer) APIs move money between two account holders within the same program. Endpoin...Green Dot Customer Care APICustomer Care APIs create and manage customer support cases, customize UI for customer support, and enable ...Green Dot Disbursements APIThe Disbursements API supports paying out funds to recipients — creating recipients, linking payee accounts...Green Dot Enrollments APIThe Enrollments API is typically the first API used in a partner integration and establishes the initial ba...Green Dot External Card Management APIExternal Card Management APIs let account holders link, list, and remove external debit or credit cards, an...Green Dot Interest Rate & Accrued Interest APIInterest Rate APIs add and manage interest rates on primary and savings purses and process accrued-interest...Green Dot MRDC (Mobile Check Deposit) APIMRDC (Mobile Remote Deposit Capture) APIs manage mobile check deposits — submitting checks, retrieving MRDC...Green Dot Payment Instruments APIPayment Instruments APIs manage the cards and tokens tied to an account — issuing and managing payment inst...Green Dot Transaction History APITransaction history and enrichment endpoints for retrieving posted and pending transactions on an account, ...Green Dot Transfers & Money Movement APITransfers APIs enable customers to move funds to and from internal accounts, purses, and external bank acco...Green Dot Webhooks & Event NotificationsWebhooks provide asynchronous event notifications to partner systems for account updates, transactions, and...SVB Account Balance APIThe Account Balance API returns current and available balance information for SVB commercial deposit accoun...SVB Account Transfer APIThe Account Transfer API moves funds between a client's own SVB accounts. Partners create transfers at /v1/...SVB ACH Transfers APIThe ACH Transfers API (v2.1) originates domestic ACH credits and debits, verified ACH transfers, and IAT (I...SVB Authorization APIThe Authorization API issues OAuth2 access tokens for the SVB commercial banking platform (now part of Firs...SVB Instant Payments APIThe Instant Payments API sends and tracks real-time payments over U.S. instant rails. Partners create payme...SVB Reference APIThe Reference API provides look-up and reachability data supporting the payment products. It exposes /v1/re...SVB Stop Payment APIThe Stop Payment API places and inspects stop-payment orders on checks drawn against SVB commercial account...SVB Virtual Cards APIThe Virtual Cards API (v2.0) issues and manages virtual card numbers (VCN) for accounts-payable, procuremen...SVB Webhook APIThe Webhook API (v2.0) delivers asynchronous event notifications for payment and account activity. Partners...SVB Wires APIThe Wires API (v2.1) initiates and manages domestic and international wire transfers. Partners create wires...Capital One Account Lookup APIThe Capital One Account Lookup API is a DevExchange product that lets approved partners resolve and retriev...Capital One Authorizations APIThe Capital One Authorizations API lets approved partners programmatically validate and authorize financial...Capital One Credit Offers APIThe Capital One Credit Offers API provides approved partners programmatic access to Capital One credit card...Capital One Customer TransactionsThe Capital One Customer Transactions product exposes consumer-permissioned transaction data so approved pa...Capital One Data Protection and Client Authentication Public Key Sharing APIThe Capital One Data Protection and Client Authentication Public Key Sharing API lets integrating clients s...Capital One Digital Auto Financing Credit Application APIThe Capital One Digital Auto Financing Credit Application API lets approved partners such as dealers and au...Capital One Enhanced Decisioning Data APIThe Capital One Enhanced Decisioning Data API gives approved partners access to data signals that support c...Capital One In-Store Credit Card Payments APIThe Capital One In-Store Credit Card Payments API lets merchants process Capital One credit card payments d...Capital One Partner Account Summary APIThe Capital One Partner Account Summary API provides approved partners consumer-permissioned access to acco...Capital One POS Credit Card Application APIThe Capital One POS Credit Card Application API lets merchants embed a Capital One credit card application ...Capital One Pre-Application Orchestrator APIThe Capital One Pre-Application Orchestrator API coordinates the pre-application steps for financial produc...Capital One Real-Time Proactive Prescreen APIThe Capital One Real-Time Proactive Prescreen API lets approved partners assess consumer creditworthiness i...Capital One Retrieve Consumer Bank Products APIThe Capital One Retrieve Consumer Bank Products API lets approved partners access information about a consu...Capital One Shop with Rewards APIThe Capital One Shop with Rewards API lets partners integrate Capital One credit card reward points and ben...Varo Aggregator Data Access (Plaid)The real, documented seam through which third-party applications reach Varo Bank account data. Varo runs a ...Varo Bank Account APIConsumer-facing checking-account capability of Varo Bank, N.A., covering fee-free checking, early direct de...Citi Accounts and Transactions APIThe Citi Accounts and Transactions API provides authorized third-party access to retail customer accounts, ...Citi Authorize APIThe Citi Authorize API handles the OAuth 2.0 authorization-code and customer-consent flows required for thi...Citi Customers APIThe Citi Customers API provides authorized access to retail customer profile information, including contact...Citi Money Movement APIThe Citi Money Movement API enables authorized payment initiation from Citi retail accounts, including dome...Citi Onboarding APIThe Citi Onboarding API enables digital account opening, document submission, and KYC-driven origination wo...Citi Pay with Points APIThe Citi Pay with Points API enables Citi cardholders to redeem ThankYou points and other rewards balances ...Citi Utilities APIThe Citi Utilities API provides supporting reference data such as foreign-exchange rates, branch and ATM lo...CitiConnect APICitiConnect is the corporate treasury and trade integration channel within Citi's Treasury and Trade Soluti...CitiConnect FX (Real-Time FX) APIThe CitiConnect FX API provides real-time foreign-exchange information and execution for corporate treasury...CitiConnect Statements and Reporting APIThe CitiConnect Statements and Reporting API delivers self-service reports, account statements, intraday an...CitiConnect WorldLink Payment Services APIThe CitiConnect WorldLink Payment Services API delivers cross-border, multi-currency payment capabilities w...E*TRADE from Morgan Stanley - Accounts APIE*TRADE from Morgan Stanley operates a genuinely public, self-service developer platform whose REST Account...E*TRADE from Morgan Stanley - Alerts APIThe E*TRADE from Morgan Stanley Alerts API is the notifications module of the public E*TRADE V1 REST platfo...E*TRADE from Morgan Stanley - Market Data APIThe E*TRADE from Morgan Stanley Market Data API is the market-data module of the public E*TRADE V1 REST pla...E*TRADE from Morgan Stanley - Order APIThe E*TRADE from Morgan Stanley Order API is the trading module of the public E*TRADE V1 REST platform, let...Morgan Stanley API Platform (REST)The institutional REST APIs on the Morgan Stanley API Platform let onboarded clients and third-party partne...Morgan Stanley API Platform (WebSocket Streaming)Alongside its REST APIs, the Morgan Stanley API Platform exposes streaming WebSocket APIs for onboarded ins...
Emerging 30 Early or largely undocumented
EDI US Economic Data APIUnited States economic data series via the GetUsEconomicData endpoint (documented on the developer portal w...Northern Trust Custody APIThe Custody API in the Northern Trust API Store gives institutional clients programmatic access to global c...Northern Trust Data Management APIThe Data Management API delivers consolidated investment and reference data from Northern Trust's data serv...Northern Trust Event Notification APIThe Event Notification service in the Northern Trust API Store lets registered clients subscribe to and rec...Northern Trust Fund Accounting APIThe Fund Accounting API exposes Northern Trust's fund accounting and net asset value (NAV) servicing data t...Northern Trust Middle Office APIThe Middle Office API surfaces Northern Trust's whole-office and middle-office outsourcing data — trade lif...Northern Trust Risk and Performance APIThe Risk and Performance API exposes Northern Trust's investment risk and performance measurement data — pe...Northern Trust Transfer Agency APIThe Transfer Agency API provides programmatic access to Northern Trust's transfer agency servicing — shareh...American Express @ Work B2B APIThe American Express @ Work B2B API is a suite of services that allows businesses to securely access their ...American Express Account and Transaction APIThe American Express Account and Transaction API is an open-banking service that enables regulated third-pa...American Express AMEX Account ConnectAMEX Account Connect is a suite of APIs that enables eligible American Express Card Members to add their Ca...American Express API-Based Payment PlatformThe American Express API-based Payment Platform allows eCommerce sellers and merchants to scale their busin...American Express Card On-DemandAmerican Express Card On-Demand offers customers the convenience and flexibility of instantly receiving a d...American Express Confirmation of Funds PSD2 APIThe American Express Confirmation of Funds PSD2 API is a secure and efficient service that enables regulate...American Express Enhanced Authorization (EA)American Express Enhanced Authorization (EA) is a fraud prevention tool that helps protect cardholders and ...American Express Network Loyalty PlatformThe American Express Network Loyalty Platform (the R42 Platform) is a suite of real-time Application Progra...American Express Pay with PointsAmerican Express Pay with Points allows cardholders to use the points they have earned through their Americ...American Express Payment Account Reference (PAR)Payment Account Reference (PAR) provides an aggregated view of a Card Member's account activity across diff...American Express Smart Offer PartnershipThe American Express Smart Offer Partnership product provides registered partners with access to certain Am...American Express Token Service (AETS) APIThe American Express Token Service (AETS) API allows developers to securely tokenize cardholder data, provi...PadMapper Rental ListingsPadMapper provides a web-based rental listing search service covering apartments, houses, condos, and rooms...SAP NS2 (SAP National Security Services)SAP NS2 is an independent US subsidiary of SAP SE that operates SAP cloud and software workloads for the US...Wintrust Open Banking Data Access (Plaid, aggregator-mediated)Wintrust does not expose a direct consumer open-banking API. Third-party applications reach Wintrust / iBus...Wintrust Treasury Management API Banking (SFTP)Wintrust's commercial "API banking" for treasury clients. Rather than a documented REST API, Wintrust conne...Current Consumer Data Access (Aggregator-Only)Current does not expose a first-party public API or developer portal. The only documented, programmatic pat...ABA Lookup v1ABA Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates and resolve...Account InformationThe Account Information API provides Treasury Management clients real-time visibility into account informat...ACH OriginationThe ACH Origination API lets First Horizon Treasury Management clients originate ACH transactions directly ...BIC Lookup v1BIC Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates and resolve...Move Money Transfer v1Move Money Transfer is First Horizon's RESTful payments-initiation API for Treasury Management clients, use...
Minimal 8 Almost no public developer surface
PNC Account Verification Services APIAccount Verification Services API from PNC's developer portal for confirming the ownership and status of ba...PNC Consumer Data Access API (Akoya)Consumer open-finance data-access surface through which PNC lets its retail customers securely permission a...PNC Direct-to-Debit-Card (Push-to-Card) APIDirect-to-Debit-Card (DTD) API from PNC providing an efficient option for business-to-consumer (B2C) fund d...PNC ePayments APIePayments API from PNC's developer portal for programmatically initiating and tracking electronic payments ...PNC Information Reporting APIInformation reporting API surface from PNC for programmatic, near-real-time access to account balances, tra...PNC Real-Time Payments (RTP) APIReal-Time Payments API surface from PNC, one of the first U.S. banks to adopt The Clearing House RTP networ...Ally Financial Platform (Conceptual Model)A conceptual, API-Evangelist-derived domain model of Ally Financial's consumer platform spanning deposit ac...Ally Invest API (Legacy / Retired)The legacy Ally Invest brokerage REST API, inherited from Ally's 2016 acquisition of TradeKing. It offered ...
Companies reaching this through an API (2)
These companies publish an API, specification or operation carrying “United States” 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.
Score breakdown
Frequency
71.6
log-scaled weighted occurrences
Breadth
7.9
spread across providers
Quality lift
34.4
mean composite of providers using it
Cohesion
10.4
strength of nearest seed neighbor
Related tags
Open Finance 58 co-occurrences
Data Aggregation 45 co-occurrences
Shibboleth 41 co-occurrences
Banking 72 co-occurrences
University 46 co-occurrences
Identity Federation 45 co-occurrences
SAML 42 co-occurrences
Where this tag comes from
Provider tag306
Api tag120
Cohort brief
Auto-generatedThe 300 providers in the APIs.io catalog tagged United States, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
300
of 306 on the roster
Mean Kin Score
28.6
+5.7 vs catalog 22.9
Mean Agent Readiness
15.1
+3.2 vs catalog 11.9
Spread
0–86.1
median 25.2 · σ 18.5
How the 300 split by band
Exemplar 10Strong 14Developing 73Thin 50Emerging 93Minimal 60
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Developer Ergonomics | 30.4 | 23.2 | +7.2 | 300 |
| Access Clarity | 32.2 | 26.5 | +5.7 | 300 |
| Operational Transparency | 19.3 | 13.7 | +5.6 | 300 |
| Discoverability | 62.2 | 58.1 | +4.1 | 300 |
| Contract Quality | 21.5 | 17.6 | +3.9 | 300 |
| Contract Governance | 9.3 | 6.3 | +3 | 300 |
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
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 11% | 14% | -3 |
| MCP server (first-party) | 8% | 12% | -4 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 24% | 11% | +13 |
| Security | 100% | 98% | +2 |
| Arazzo workflows | 2% | 2% | 0 |
| Governance rules | 13% | 14% | -1 |
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 Plaid 86.1
- 2 Elation Health 77.5
- 3 Hive Civilization 74.1
- 4 Oracle Hospitality 73.4
- 5 1upHealth 71.7
- 6 SCVD General Store 71.6
- 7 Clix 67.8
- 8 Zoom Phone 67.4
- 9 Highnote 67
- 10 NextGen Healthcare 66.7
Top by Agent Readiness
- 1 SCVD General Store 65.7
- 2 PostalForm 60.3
- 3 Zoom Phone 53.6
- 4 Dwolla 52.9
- 5 Plaid 52.2
- 6 Photon 51.6
- 7 Shift4 51.4
- 8 Lone Wolf Technologies 49.3
- 9 OptionsAhoy 49.1
- 10 Vim 48.4
This roster declares 306 members; 305
resolve to a provider in the catalog and 300 carry a score
(98%). The figures above describe the scored members only.Generated from the catalog build of
5 October 2026, across 29093
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.