niche · 0.6 capability resource

Virtual Cards

Score 18.7 / 100 27 providers 11 APIs Search apis.io →

Providers using this tag (27)

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

Exemplar 1 Complete, well-documented, and agent-ready
HighnoteCard IssuingCard AcquiringEmbedded FinanceBanking-as-a-Service1 API73.4
Strong 2 Solid coverage with minor gaps
MastercardCredit CardsDigital IdentityFinancial-ServicesFraud Detection37 APIs56.7AgentcardCompanyPaymentsCard Issuing1 API56.0
Developing 8 Usable, with meaningful gaps to close
Simplifi/SimplifipayCompanyCardsCard Issuing1 API54.1AllowanceCompanyPaymentsAgentic PaymentsAI Agents1 API53.9ConnexPayPaymentsCard IssuingMerchant Acquiring10 APIs51.9BondCompanyUnited StatesBanking as a ServiceEmbedded Finance9 APIs50.8CodatUnified_API3 APIs46.7KlutchCompanyFinancial-ServicesFintechCredit Cards1 API45.4EmburseExpense ManagementAP AutomationCorporate Cards13 APIs43.5Google PayContactless PaymentsDigital WalletMobile PaymentsPayments9 APIs40.4
Thin 5 Limited public surface area
MercoaMercoaEmbedded FinanceAccounts PayableAccounts Receivable1 API38.7First Citizens BancSharesBankingFinancial-ServicesCommercial BankingPayments10 APIs35.5Lead BankBankingSponsor BankEmbedded FinanceBanking as a Service1 API34.6Order.coCompanyProcurementSpend ManagementAccounts Payable2 APIs31.3BillGOPaymentsBill PayFinancial-ServicesBanking1 API29.4
Emerging 7 Early or largely undocumented
Episode SixCompanyPaymentsCard IssuingIssuer Processing2 APIs24.5CledaraFinanceSaaS ManagementSoftware SpendingSpend Management1 API17.3RhoRhoBusiness BankingTreasuryCorporate Cards1 API15.7AirbaseSpend ManagementAccounts PayableBill PayProcurement9 APIs13.4CinoCompanyFintechPaymentsBill Splitting11.7RaenestCompanyFintechPaymentsMulti-Currency11.7ZedCompanyFintechCredit CardsPayments11.2
Minimal 4 Almost no public developer surface
OnafriqPaymentsMobile MoneyRemittanceCross-Border Payments9 APIs10.4Chipper CashFintechAfricaCross Border PaymentsMoney Transfer7.3Corpay (formerly FLEETCOR)B2B PaymentsCorporate PaymentsFleet CardsFuel Cards5 APIs6.0BentoCompanyFinancial-ServicesFintechPayments2.3

APIs with this tag (11)

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
Highnote Issuing APICreate and configure card products (createCardProduct) for debit, credit, prepaid, fleet, and charge progra...73.4
Strong 1 Solid coverage with minor gaps
Mastercard Straight Through ProcessingStraight Through Processing (STP) is a value-added service designed to increase virtual card account accept...56.7
Developing 4 Usable, with meaningful gaps to close
Bond Cards APIIssue and manage physical, virtual, debit, secured charge, and credit-builder cards. Create cards and card ...50.8Codat Spend Insights APIThe Codat Spend Insights API enables banks and commercial card issuers to access clients' accounts payable ...46.7Klutch Public APIThe Klutch Public API is a GraphQL API for the Klutch programmable credit card. It exposes enriched transac...45.4Google Pay Virtual Cards APIEnables payment integrators to enroll cards, retrieve virtual card numbers, manage transactions, and handle...40.4
Thin 2 Limited public surface area
SVB Virtual Cards APIThe Virtual Cards API (v2.0) issues and manages virtual card numbers (VCN) for accounts-payable, procuremen...35.5Lead Bank Issue APICard-issuing API for physical and virtual credit and debit cards plus custom-generated account numbers used...34.6
Emerging 1 Early or largely undocumented
Airbase Corporate Cards APIAccess Airbase corporate and virtual card programs - list cards, card holders, spend limits and controls, a...13.4
Minimal 2 Almost no public developer surface
Onafriq Card Issuance APICard issuance and processing platform for partners launching physical and virtual prepaid card programs, in...10.4Corpay Commercial CardsCorpay's commercial card portfolio covers the Corpay Mastercard, Corpay World Elite Mastercard, virtual / g...6.0

Score breakdown

Frequency
39.9
log-scaled weighted occurrences
Breadth
0.7
spread across providers
Quality lift
38.6
mean composite of providers using it
Cohesion
5.5
strength of nearest seed neighbor

Related tags

Bill Pay 7 co-occurrences Card Issuing 7 co-occurrences Corporate Cards 5 co-occurrences Spend Management 7 co-occurrences ACH 6 co-occurrences Accounts Payable 5 co-occurrences Expense Management 5 co-occurrences Cards 9 co-occurrences

Where this tag comes from

Provider tag18
Api tag11

Cohort brief

Auto-generated

The 27 providers in the APIs.io catalog tagged Virtual Cards, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
27
all scored
Mean Kin Score
32.1
+11.4 vs catalog 20.7
Mean Agent Readiness
20.7
+11.0 vs catalog 9.7
Spread
2.3–75.4
median 33.2 · σ 19.4
How the 27 split by band
Exemplar 1Strong 4Developing 5Thin 6Emerging 7Minimal 4
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 32.6 17.9 +14.7 27
Access Clarity 36.4 22.3 +14.1 27
Contract Quality 29.6 17.5 +12.1 27
Discoverability 69.8 60.4 +9.4 27
Operational Transparency 19.4 11.3 +8.1 27
Contract Governance 8.9 6.4 +2.5 27

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) 26% 16% +10
MCP server (first-party) 15% 7% +8
Agent Skills 0% 0% 0
OAuth scopes 15% 9% +6
Security 100% 88% +12
Arazzo workflows 7% 2% +5
Governance rules 11% 13% -2

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 Highnote 75.4
  2. 2 Agentcard 59.1
  3. 3 Simplifi/Simplifipay 56.1
  4. 4 Allowance 55.9
  5. 5 ConnexPay 54.5
  6. 6 Bond 49.4
  7. 7 Klutch 46.9
  8. 8 Mastercard 46.2
  9. 9 Codat 45.6
  10. 10 Emburse 43
Top by Agent Readiness
  1. 1 Agentcard 68.3
  2. 2 Allowance 49.6
  3. 3 Klutch 44.1
  4. 4 ConnexPay 41.2
  5. 5 Codat 39.2
  6. 6 Lead Bank 38.8
  7. 7 Highnote 32.9
  8. 8 Mastercard 32.4
  9. 9 Simplifi/Simplifipay 30
  10. 10 Emburse 28.1
All 27 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 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.

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The distribution (Pro) 
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