established · 0.4

Card Payments

Score 24.6 / 100 36 providers 24 APIs Search apis.io →
Workflows using this tag
Efí Boleto Charge Issue · Efí Pay (Gerencianet) Efí Account Webhook Setup · Efí Pay (Gerencianet) Efí CNAB Statement Schedule · Efí Pay (Gerencianet) Efí Pix Charge Revise · Efí Pay (Gerencianet) Efí Card Charge Refund · Efí Pay (Gerencianet) Efí Pix Charge Status and Refund · Efí Pay (Gerencianet) Efí Pix Cash-Out Send · Efí Pay (Gerencianet) Efí Bill Payment by Bar Code · Efí Pay (Gerencianet)
Business capabilities this tag reaches
Payments & Card Management 3
Variants seen in the corpus: Card PaymentsCard paymentsCardPayments

Providers using this tag (36)

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

Exemplar 2 Complete, well-documented, and agent-ready
Efí Pay (Gerencianet)PaymentsPixBoletoSubscription6 APIs73.7PayMongoPaymentsFintechPhilippinesSoutheast Asia1 API71.3
Strong 5 Solid coverage with minor gaps
PaymobPaymentsPayment GatewayFintechMENA2 APIs61.9WeavrEmbedded FinanceBanking as a ServicePaymentsCards5 APIs59.9PaymentsensePaymentsUnited KingdomPayment GatewayPayment Processing4 APIs58.6Fat ZebraPaymentsAustraliaPayment GatewayPayment Processing4 APIs55.8DojoPaymentsUnited KingdomPayment GatewayPayment Processing5 APIs54.3
Developing 20 Usable, with meaningful gaps to close
Beam CheckoutCompanyFinancial-ServicesPaymentsCheckout1 API53.9Pinch PaymentsPaymentsAustraliaPayment GatewayPayment Processing10 APIs53.7MonoovaPaymentsAustraliaReal-Time PaymentsNPP3 APIs53.2Trust PaymentsPaymentsUnited KingdomPayment GatewayPayment Processing2 APIs52.8Mercado PagoPaymentsCheckoutSubscriptionPOS1 API51.9KushkiPaymentsLatAmAndean Region5 APIs51.8IyzicoCompanyPaymentsFintechPayment Gateway1 API50.6Westpac Banking CorporationFinancialBanksOpen BankingCDR1 API50.4CardstreamPaymentsUnited KingdomPayment GatewayPayment Processing4 APIs50.3CashflowsPaymentsUnited KingdomPayment GatewayPayment Processing4 APIs49.7ACI WorldwidePaymentsUnited StatesPayment GatewayPayment Processing5 APIs49.6WorldpayPaymentsPayment ProcessingPayment GatewayTokenization20 APIs46.5GOV.UK PayPaymentsGovernmentUKPublic Sector1 API46.3MonerisFinancial-ServicesPaymentsPayment Processing1 API45.4ZettlePoint-of-SalePOSPaymentsInventory1 API45.2Tribe PaymentsPaymentsUnited KingdomIssuer ProcessorCard Issuing15 APIs44.2Przelewy24PaymentsPayment GatewayBank TransferBLIK4 APIs43.9eWAYPaymentsAustraliaPayment GatewayPayment Processing1 API43.8IncreaseFintechBankingPaymentsACH1 API41.0EpointCompanyPaymentsPayment GatewayFintech1 API40.6
Thin 7 Limited public surface area
StitchAfricaFinancial DataOpen BankingPayments1 API37.6Till PaymentsPaymentsAustraliaPayment GatewayPayment Processing2 APIs35.9OPayPaymentsMobile MoneyFintechSuper App3 APIs34.4ECOMMPAYPaymentsUnited KingdomPayment GatewayPayment Processing4 APIs34.3LemonwayPaymentsMarketplaceIBANKYC2 APIs34.0takepaymentsPaymentsUnited KingdomPayment GatewayPayment Processing1 API33.9YocoPaymentsFintechPayment Gateway5 APIs27.6
Emerging 2 Early or largely undocumented
TossPaymentsFintechBankingKorea4 APIs25.7LimepayPaymentsAustraliaBNPLPayment Gateway3 APIs11.7

APIs with this tag (18)

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
Efí Pay (Gerencianet) Card Payments APIThe Card Payments API from Efí Pay (Gerencianet) — 3 operation(s) for card payments.73.7
Strong 1 Solid coverage with minor gaps
Weavr Card Payments APIRetrieve card payment activity, including authorisations, settlements, and related events.59.9
Developing 14 Usable, with meaningful gaps to close
Trust Payments Webservices APIServer-to-server JSON API (the Secure Trading Payment Platform / STPP) for card processing and management o...52.8Mercado Pago Checkout APIFull server-side checkout control. Tokenise cards client-side, create a payment server-side, manage 3DS cha...51.9iyzico Payment APIREST API for accepting card payments (NON-3DS and 3D Secure), hosted CheckoutForm and Pay with iyzico flows...50.6Westpac PayWay REST APIFirst-party Westpac payment API (beyond CDR). PayWay is Westpac's merchant payment platform; its public RES...50.4Westpac QuickStream REST APIFirst-party Westpac payment API (beyond CDR). QuickStream is Westpac's online payment gateway; its public R...50.4Cardstream Gateway - Direct IntegrationServer-to-server integration. The merchant collects payment details on its own secure server and sends a UR...50.3Cardstream Gateway - Hosted IntegrationHosted Payment Pages (HPP) integration. The merchant's browser POSTs a URL-encoded request to the Gateway, ...50.3Cashflows Payments APIREST/JSON API for cardholder-not-present card payments with 3-D Secure support — authorisation, capture, vo...49.7ACI Open Payment Platform — Server-to-Server APIThe core RESTful payment API of the ACI Open Payment Platform (PAY.ON gateway). Server-to-Server integratio...49.6Worldpay CardPayments APIThe CardPayments API from Worldpay — 2 operation(s) for cardpayments.46.5GOV.UK Pay Card payments APIThe Card payments API from GOV.UK Pay — 5 operation(s) for card payments.46.3eWAY Rapid APIThe eWAY Rapid API is a versioned HTTP payments API (v47) for processing card transactions. It exposes tran...43.8Increase Card Payments APICard Payments group together interactions related to a single card payment, such as an authorization and it...41.0Epoint Payment APIREST payment gateway for accepting online card payments in Azerbaijan. Covers payment creation and hosted c...40.6
Thin 1 Limited public surface area
Stitch Card PaymentsStitch card payment processing enabling businesses to accept debit and credit card payments through the Sti...37.6
Emerging 1 Early or largely undocumented
Toss Payments APIREST API for processing payments, authorizations, cancellations, and refunds through the Toss Payments plat...25.7

Score breakdown

Frequency
47.3
log-scaled weighted occurrences
Breadth
1.0
spread across providers
Quality lift
56.2
mean composite of providers using it
Cohesion
8.9
strength of nearest seed neighbor

Related tags

Acquiring 14 co-occurrences Payment Gateway 21 co-occurrences Payment Processing 15 co-occurrences 3D Secure 7 co-occurrences In-Person Payments 5 co-occurrences Payment Links 7 co-occurrences Recurring Payments 5 co-occurrences Refunds 13 co-occurrences

Where this tag comes from

Provider tag26
Api tag24
Openapi tag4
Openapi op tag9

Cohort brief

Auto-generated

The 36 providers in the APIs.io catalog tagged Card Payments, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
36
all scored
Mean Kin Score
46.3
+25.6 vs catalog 20.7
Mean Agent Readiness
27.2
+17.5 vs catalog 9.7
Spread
11.7–73.3
median 47.1 · σ 12.4
How the 36 split by band
Exemplar 2Strong 6Developing 18Thin 7Emerging 3Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 51.1 17.9 +33.2 36
Contract Quality 48.4 17.5 +30.9 36
Operational Transparency 30.7 11.3 +19.4 36
Access Clarity 39.4 22.3 +17.1 36
Discoverability 74.6 60.4 +14.2 36
Contract Governance 16.9 6.4 +10.5 36

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) 50% 16% +34
MCP server (first-party) 6% 7% -1
Agent Skills 0% 0% 0
OAuth scopes 14% 9% +5
Security 100% 88% +12
Arazzo workflows 11% 2% +9
Governance rules 22% 13% +9

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 PayMongo 73.3
  2. 2 Efí Pay (Gerencianet) 70.6
  3. 3 Weavr 62.6
  4. 4 Paymob 61.6
  5. 5 Paymentsense 59.1
  6. 6 Monoova 57.2
  7. 7 Fat Zebra 56.2
  8. 8 Pinch Payments 55
  9. 9 Beam Checkout 53.9
  10. 10 Trust Payments 52.8
Top by Agent Readiness
  1. 1 Moneris 52.6
  2. 2 Weavr 46.7
  3. 3 Worldpay 44.8
  4. 4 Pinch Payments 38.8
  5. 5 GOV.UK Pay 36.3
  6. 6 Dojo 35.7
  7. 7 Tribe Payments 35.7
  8. 8 Till Payments 35.4
  9. 9 Zettle 34.6
  10. 10 Fat Zebra 33.6
All 36 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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