niche · 0.7

FAPI

Score 19.5 / 100 25 providers +4 via APIs 10 APIs Search apis.io →

Providers using this tag (25)

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

Strong 2 Solid coverage with minor gaps
AuthleteCompanyAuthenticationOpenID ConnectAuthorization1 API60.7BarclaysBankingCredit CardsFinance52 APIs58.8
Developing 15 Usable, with meaningful gaps to close
NatWest GroupBankingOpen BankingFinancial ServicesPayments3 APIs53.4Allica BankFinancial ServicesBankingOpen BankingPSD22 APIs51.6CouttsFinancial ServicesBankingPrivate BankWealth Management3 APIs45.8Danske Bank (UK)Financial ServicesBankingOpen BankingPSD212 APIs45.7Starling BankFinancial ServicesBankingOpen BankingPSD21 API44.6Yorkshire Building SocietyFinancial ServicesBankingBuilding SocietyOpen Banking4 APIs44.6ThreddPaymentsUnited KingdomIssuer ProcessorCard Issuing10 APIs43.5Bank of Ireland (UK)Financial ServicesBankingOpen BankingPSD24 APIs43.3zopaCompanyBankingFintechOpen Banking2 APIs42.4Hampden & CoFinancial ServicesBankingPrivate BankingOpen Banking3 APIs41.9MettleFinancial ServicesBankingBusiness BankingOpen Banking1 API41.5C. Hoare & Co.Financial ServicesBankingPrivate BankOpen Banking3 APIs41.4InvestecFinancial ServicesBankingOpen BankingPSD23 APIs40.0Lloyds Banking GroupFinancial ServicesBankingOpen BankingPSD25 APIs39.5KrooFinancial ServicesBankingOpen BankingPSD23 APIs39.4
Thin 8 Limited public surface area
Cashplus BankFinancial ServicesBankingOpen BankingPSD24 APIs38.0Financial Data Exchange (FDX)Financial DataOpen BankingOpen FinanceFinancial Data Exchange3 APIs37.9Virgin Money UKFinancial ServicesBankingOpen BankingPSD21 API37.5TSB BankFinancial ServicesBankingOpen BankingPSD22 APIs37.4Tandem BankFinancial ServicesBankingOpen BankingPSD23 APIs36.2Santander UKFinancial ServicesBankingOpen BankingPSD24 APIs36.0IniciadorCompanyFintechOpen FinanceOpen Banking1 API34.7Metro BankFinancial ServicesBankingOpen BankingPSD21 API32.2

APIs with this tag (10)

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 →

Strong 1 Solid coverage with minor gaps
Bank of London PSD2 / Open Banking UK APIThe dedicated PSD2 Third Party Provider (TPP) interface for The Bank of London, implementing the UK Open Ba...60.3
Thin 6 Limited public surface area
Virgin Money UK OIDC APIOpen Banking-compliant OpenID Connect provider for TPP authorisation. Live production discovery document co...37.5Iniciador Open Finance APIIniciador's regulated Open Finance Brasil API surface for payment initiation and financial data sharing (ac...34.7Bitrue Fapi APIThe Fapi API from Bitrue — 1 operation(s) for fapi.28.3OBIE Account & Transaction Information API (AIS - Standard, Out of Scope)The OBIE Read/Write Account and Transaction Information (AISP) standard for reading account, balance and tr...26.8OBIE Confirmation of Funds API (CBPII - Standard, Out of Scope)The OBIE Read/Write Confirmation of Funds (CBPII) standard for confirming whether funds are available on a ...26.8OBIE Payment Initiation API (PIS - Standard, Out of Scope)The OBIE Read/Write Payment Initiation (PISP) standard for initiating domestic, scheduled, standing-order, ...26.8
Emerging 3 Early or largely undocumented
OBIE Account and Transaction Information API (AIS, shared standard)The OBIE Read/Write Account and Transaction Information (AIS) standard for retrieving account, balance, tra...23.5OBIE Confirmation of Funds API (CBPII, shared standard)The OBIE Read/Write Confirmation of Funds (CBPII) standard for confirming whether funds are available on a ...23.5OBIE Payment Initiation API (PIS, shared standard)The OBIE Read/Write Payment Initiation (PIS) standard for initiating domestic, scheduled, standing-order, i...23.5

Companies reaching this through an API (4)

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

Bitrue Leeds Building Society Principality Building Society The Bank of London

Score breakdown

Frequency
41.9
log-scaled weighted occurrences
Breadth
0.6
spread across providers
Quality lift
44.6
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag sits

Open Banking broader

Related tags

OBIE 20 co-occurrences Scheduled Payments 15 co-occurrences

Where this tag comes from

Provider tag25
Api tag10
Openapi tag1
Openapi op tag1

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