Capital One is a US money-center bank and financial services company offering credit cards, checking and savings accounts, loans, and auto financing. Through the Capital One DevExchange developer program the bank publishes a catalog of partner-facing production APIs for account lookup, transaction authorizations, credit offers, customer transactions, credit card applications, auto financing, proactive prescreen, partner account summary, shop with rewards, and public key sharing for client authentication. Access is secured with OAuth 2.0 and a public sandbox supports pre-production integration, with production access gated behind partner approval. Developer documentation is HTML-only (the portal is a single-page app); Capital One does not publish downloadable OpenAPI specifications. As an FDX member, Capital One also supports consumer-permissioned open-finance data access through aggregators in the US voluntary open-banking context.
Capital One publishes 14 APIs on the APIs.io network. Tagged areas include Auto Finance, Authorizations, Banking, Credit Cards, and Credit Offers.
Capital One’s developer surface includes documentation, getting-started guide, sandbox, FAQ, support, engineering blog, authentication, and 18 more developer resources.
The Capital One Account Lookup API is a DevExchange product that lets approved partners resolve and retrieve consumer account information such as balances, transaction history, ...
The Capital One Authorizations API lets approved partners programmatically validate and authorize financial transactions against Capital One's platform in real time. It supports...
The Capital One Credit Offers API provides approved partners programmatic access to Capital One credit card offers, including rewards programs, interest rates, fees, and eligibi...
The Capital One Customer Transactions product exposes consumer-permissioned transaction data so approved partners can retrieve and reconcile a customer's Capital One transaction...
The Capital One Data Protection and Client Authentication Public Key Sharing API lets integrating clients securely exchange public keys with Capital One to establish encrypted, ...
The Capital One Digital Auto Financing Credit Application API lets approved partners such as dealers and auto-marketplaces submit and process auto loan applications through Capi...
The Capital One Enhanced Decisioning Data API gives approved partners access to data signals that support credit, risk, and fraud decisioning workflows. Partners use it to enric...
The Capital One In-Store Credit Card Payments API lets merchants process Capital One credit card payments directly within their in-store point-of-sale flows. It supports accepti...
The Capital One POS Credit Card Application API lets merchants embed a Capital One credit card application directly into their point-of-sale checkout experience, so customers ca...
The Capital One Partner Account Summary API provides approved partners consumer-permissioned access to account summary information such as balances, transaction history, and pen...
The Capital One Pre-Application Orchestrator API coordinates the pre-application steps for financial products such as loans and credit cards, including gathering and validating ...
The Capital One Real-Time Proactive Prescreen API lets approved partners assess consumer creditworthiness in real time to support targeted, pre-screened credit offers. Partners ...
The Capital One Retrieve Consumer Bank Products API lets approved partners access information about a consumer's Capital One banking products such as credit cards, checking acco...
The Capital One Shop with Rewards API lets partners integrate Capital One credit card reward points and benefits into online shopping experiences, so cardholders can unlock deal...
Capital One is a financial services company offering credit cards, checking and savings accounts, loans, and auto financing in the United States. Through the Capital One DevExch...
aid: capital-one
url: https://raw.githubusercontent.com/api-evangelist/capital-one/refs/heads/main/apis.yml
apis:
- aid: capital-one:account-lookup-api
name: Capital One Account Lookup API
tags:
- Accounts
- Banking
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/account-lookup?id=24064-1
properties:
- url: https://developer.capitalone.com/products/account-lookup?id=24064-1
type: Documentation
- url: graphql/capital-one-graphql.md
type: GraphQL
description: The Capital One Account Lookup API is a DevExchange product that lets approved partners resolve and retrieve
consumer account information such as balances, transaction history, and account status. Integrators use it to surface
up-to-date Capital One account details inside partner applications and dashboards. Access is secured with OAuth 2.0 client
credentials, exercised first in the DevExchange sandbox and then promoted to production after partner approval. Documentation
is HTML-only on the DevExchange portal; no downloadable OpenAPI is published.
- aid: capital-one:authorizations-api
name: Capital One Authorizations API
tags:
- Authorizations
- Payments
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/authorizations?id=658618-1
properties:
- url: https://developer.capitalone.com/documentation/o-auth
type: Documentation
description: The Capital One Authorizations API lets approved partners programmatically validate and authorize financial
transactions against Capital One's platform in real time. It supports payment authorization decisioning and fraud-reduction
workflows for merchants and fintechs integrating with Capital One card products. Access is OAuth 2.0 secured through DevExchange,
with a sandbox for pre-production testing and a partner-approval gate for production. Reference material is HTML documentation
on the portal; there is no publicly downloadable machine-readable specification.
- aid: capital-one:credit-offers-api
name: Capital One Credit Offers API
tags:
- Credit Cards
- Credit Offers
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/credit-offers?id=3105-3
properties:
- url: https://developer.capitalone.com/products/credit-offers?id=3105-3
type: Documentation
description: The Capital One Credit Offers API provides approved partners programmatic access to Capital One credit card
offers, including rewards programs, interest rates, fees, and eligibility criteria. Partners integrate it to present personalized
Capital One card recommendations inside their own experiences. Like the rest of the DevExchange catalog it is OAuth 2.0
secured, exercised in a sandbox, and gated behind partner approval for production. Documentation is HTML-only on the portal
with no downloadable OpenAPI or Swagger definition available publicly.
- aid: capital-one:customer-transactions
name: Capital One Customer Transactions
tags:
- Transactions
- Banking
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/customer-transactions?id=3313-1
properties:
- url: https://developer.capitalone.com/products/customer-transactions?id=3313-1
type: Documentation
description: The Capital One Customer Transactions product exposes consumer-permissioned transaction data so approved partners
can retrieve and reconcile a customer's Capital One transaction activity. It underpins personal finance, reconciliation,
and account visibility use cases for partner integrations. Access is OAuth 2.0 secured through the DevExchange program,
tested in the sandbox and promoted to production after partner review. The developer documentation is HTML-only; no publicly
downloadable machine-readable specification is offered by Capital One.
- aid: capital-one:data-protection-and-client-authentication-public-key-sharing-api
name: Capital One Data Protection and Client Authentication Public Key Sharing API
tags:
- Security
- Authentication
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/data-protection-and-client-authentication-public-key-sharing?id=9721-1
properties:
- url: https://developer.capitalone.com/products/data-protection-and-client-authentication-public-key-sharing?id=9721-1
type: Documentation
description: The Capital One Data Protection and Client Authentication Public Key Sharing API lets integrating clients securely
exchange public keys with Capital One to establish encrypted, authenticated communication for sensitive data in transit.
It is a supporting security primitive for the broader DevExchange API catalog rather than a business-data endpoint. Access
is OAuth 2.0 secured with sandbox testing and partner approval for production. Documentation is HTML-only on the DevExchange
portal and no downloadable OpenAPI definition is published.
- aid: capital-one:digital-auto-financing-credit-application-api
name: Capital One Digital Auto Financing Credit Application API
tags:
- Auto Finance
- Lending
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/digital-auto-financing-credit-application?id=647907-1
properties:
- url: https://developer.capitalone.com/products/digital-auto-financing-credit-application?id=647907-1
type: Documentation
description: The Capital One Digital Auto Financing Credit Application API lets approved partners such as dealers and auto-marketplaces
submit and process auto loan applications through Capital One's digital financing platform. It automates the credit application,
verification, and approval flow so customers can be financed at the point of purchase. Access is OAuth 2.0 secured through
DevExchange, tested in a sandbox and gated behind partner approval. Documentation is HTML-only on the portal; there is
no publicly downloadable machine-readable specification.
- aid: capital-one:enhanced-decisioning-data-api
name: Capital One Enhanced Decisioning Data API
tags:
- Decisioning
- Risk
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/enhanced-decisioning-data?id=23343-1
properties:
- url: https://developer.capitalone.com/documentation/enhanced-decisioning-data
type: Documentation
description: The Capital One Enhanced Decisioning Data API gives approved partners access to data signals that support credit,
risk, and fraud decisioning workflows. Partners use it to enrich underwriting and eligibility decisions with Capital One
decisioning inputs in real time. Access is OAuth 2.0 secured through the DevExchange program, exercised in a sandbox and
promoted to production after partner approval. The developer documentation is HTML-only on the DevExchange portal, and
Capital One does not publish a downloadable OpenAPI or Swagger definition for the product.
- aid: capital-one:in-store-credit-card-payments-api
name: Capital One In-Store Credit Card Payments API
tags:
- Payments
- Point of Sale
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/in-store-credit-card-payments?id=10565-2
properties:
- url: https://developer.capitalone.com/products/in-store-credit-card-payments?id=10565-2
type: Documentation
description: The Capital One In-Store Credit Card Payments API lets merchants process Capital One credit card payments directly
within their in-store point-of-sale flows. It supports accepting card payments, issuing receipts, and managing transactions
from a merchant's POS integration. Access is OAuth 2.0 secured through DevExchange, tested in the sandbox and gated behind
partner approval for production. Reference material is HTML documentation on the DevExchange portal; no publicly downloadable
OpenAPI definition is provided by Capital One.
- aid: capital-one:pos-credit-card-application-api
name: Capital One POS Credit Card Application API
tags:
- Credit Cards
- Point of Sale
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/pos-credit-card-application?id=17912-1
properties:
- url: https://developer.capitalone.com/products/pos-credit-card-application?id=17912-1
type: Documentation
description: The Capital One POS Credit Card Application API lets merchants embed a Capital One credit card application
directly into their point-of-sale checkout experience, so customers can apply and be decisioned at the counter. It reduces
friction in acquiring cardholders at the moment of purchase. Access is OAuth 2.0 secured through the DevExchange program,
exercised in a sandbox and promoted to production after partner approval. Documentation is HTML-only on the portal and
no downloadable machine-readable specification is published.
- aid: capital-one:partner-account-summary-api
name: Capital One Partner Account Summary API
tags:
- Accounts
- Partners
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/partner-account-summary?id=18757-1
properties:
- url: https://developer.capitalone.com/products/partner-account-summary?id=18757-1
type: Documentation
description: The Capital One Partner Account Summary API provides approved partners consumer-permissioned access to account
summary information such as balances, transaction history, and pending transactions in real time. Partners integrate it
to keep customer-facing dashboards synchronized with Capital One account state. Access is OAuth 2.0 secured through DevExchange,
tested in a sandbox and gated behind partner approval for production. The documentation is HTML-only on the DevExchange
portal, with no downloadable OpenAPI definition available publicly.
- aid: capital-one:pre-application-orchestrator-api
name: Capital One Pre-Application Orchestrator API
tags:
- Lending
- Orchestration
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/pre-application-orchestrator?id=18728-1
properties:
- url: https://developer.capitalone.com/products/pre-application-orchestrator?id=18728-1
type: Documentation
description: The Capital One Pre-Application Orchestrator API coordinates the pre-application steps for financial products
such as loans and credit cards, including gathering and validating customer information, checking credit inputs, and determining
eligibility. It lets partners automate the front of the application funnel and reduce manual data entry. Access is OAuth
2.0 secured through the DevExchange program, exercised in a sandbox and promoted to production after partner approval.
Documentation is HTML-only on the portal with no downloadable specification published.
- aid: capital-one:real-time-proactive-prescreen-api
name: Capital One Real-Time Proactive Prescreen API
tags:
- Credit
- Prescreen
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/real-time-proactive-prescreen?id=320973-1
properties:
- url: https://developer.capitalone.com/products/real-time-proactive-prescreen?id=320973-1
type: Documentation
description: The Capital One Real-Time Proactive Prescreen API lets approved partners assess consumer creditworthiness in
real time to support targeted, pre-screened credit offers. Partners use it to decide whether and which Capital One offers
to present at the moment of interaction. Access is OAuth 2.0 secured through DevExchange, tested in the sandbox and gated
behind partner approval for production. The reference material is HTML documentation on the DevExchange portal; Capital
One does not publish a downloadable OpenAPI or Swagger definition for the product.
- aid: capital-one:retrieve-consumer-bank-products-api
name: Capital One Retrieve Consumer Bank Products API
tags:
- Banking
- Products
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/retrieve-consumer-bank-products?id=1359-5
properties:
- url: https://developer.capitalone.com/documentation/retrieve-consumer-bank-products
type: Documentation
description: The Capital One Retrieve Consumer Bank Products API lets approved partners access information about a consumer's
Capital One banking products such as credit cards, checking accounts, and savings accounts, including balances, transaction
history, and payment status. It supports consumer-permissioned product visibility inside partner experiences. Access is
OAuth 2.0 secured through the DevExchange program, tested in a sandbox and promoted to production after partner approval.
Documentation is HTML-only on the portal with no downloadable specification.
- aid: capital-one:shop-with-rewards-api
name: Capital One Shop with Rewards API
tags:
- Rewards
- Commerce
- United States
baseURL: https://api-sandbox.capitalone.com
humanURL: https://developer.capitalone.com/products/shop-with-rewards?id=637511-1
properties:
- url: https://developer.capitalone.com/products/shop-with-rewards
type: Documentation
description: The Capital One Shop with Rewards API lets partners integrate Capital One credit card reward points and benefits
into online shopping experiences, so cardholders can unlock deals and redeem accumulated rewards at participating retailers.
It powers reward-driven commerce and checkout scenarios. Access is OAuth 2.0 secured through DevExchange, exercised in
a sandbox and gated behind partner approval for production. The developer documentation is HTML-only on the DevExchange
portal, and no publicly downloadable machine-readable specification is provided.
name: Capital One
tags:
- Auto Finance
- Authorizations
- Banking
- Credit Cards
- Credit Offers
- DevExchange
- Financial Services
- FDX
- Open Banking
- OAuth 2.0
- Payments
- Rewards
- United States
- Fortune 500
type: Index
kind: company
accessModel:
pricing: unknown
onboarding: partner-approval
trial: false
try_now: false
public: false
label: Partner-gated developer program
confidence: medium
source:
- plans
- authentication
generated: '2026-07-23'
method: derived
position: Consumer
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/capital-one.png
access: 3rd-Party
x-features:
- Public developer program (DevExchange) across consumer banking capabilities
- OAuth 2.0-based authentication and authorization
- Sandbox environment for pre-production testing
- Production access gated behind partner approval
- Public key sharing for client authentication and data protection
- Coverage across account lookup, authorizations, credit offers, and transactions
- Credit card application flows at point-of-sale and pre-application orchestration
- Real-time proactive prescreen and enhanced decisioning data
- Rewards and Shop with Rewards integration for merchants
- FDX member; consumer-permissioned data access also available via aggregators
x-use-cases:
- Partner and fintech integration with Capital One consumer banking
- Credit card application embedding at point-of-sale and online checkout
- Personalized credit offers and prescreen underwriting
- Reward-powered shopping and commerce experiences
- Auto financing application and approval flows
- Consumer-permissioned account summary for partner dashboards
- Real-time transaction authorization for merchants and fintechs
common:
- type: Website
url: https://www.capitalone.com/
- type: DeveloperPortal
url: https://developer.capitalone.com/
- type: Documentation
url: https://developer.capitalone.com/documentation/getting-started
- type: GettingStarted
url: https://developer.capitalone.com/documentation/getting-started
- type: OAuth20
url: https://developer.capitalone.com/documentation/o-auth
- type: Sandbox
url: https://developer.capitalone.com/documentation/sandbox
- type: FAQ
url: https://developer.capitalone.com/help/faq
- type: Support
url: https://developer.capitalone.com/help/tickets
- type: GitHubOrganization
url: https://github.com/capitalone
- type: LinkedIn
url: https://www.linkedin.com/company/capital-one
- type: Blog
url: https://www.capitalone.com/tech/blog/
- type: TermsOfService
url: https://www.capitalone.com/legal/terms-conditions/
- type: PrivacyPolicy
url: https://www.capitalone.com/privacy/
- type: DomainSecurity
url: security/capital-one-domain-security.yml
- type: SecurityTxt
url: well-known/capital-one-security.txt
- type: WellKnown
url: well-known/capital-one-well-known.yml
- type: VulnerabilityDisclosure
url: security/capital-one-vulnerability-disclosure.yml
- type: Security
url: https://www.capitalone.com/digital/responsible-disclosure/
- type: Authentication
url: authentication/capital-one-authentication.yml
- type: Conformance
url: conformance/capital-one-conformance.yml
- type: Conventions
url: conventions/capital-one-conventions.yml
- type: LLMsTxt
url: llms/capital-one-llms.txt
- type: Plans
url: plans/capital-one-plans-pricing.yml
- type: RateLimits
url: rate-limits/capital-one-rate-limits.yml
- type: FinOps
url: finops/capital-one-finops.yml
created: '2024-11-15'
modified: '2026-07-23'
description: Capital One is a US money-center bank and financial services company offering credit cards, checking and savings
accounts, loans, and auto financing. Through the Capital One DevExchange developer program the bank publishes a catalog
of partner-facing production APIs for account lookup, transaction authorizations, credit offers, customer transactions,
credit card applications, auto financing, proactive prescreen, partner account summary, shop with rewards, and public key
sharing for client authentication. Access is secured with OAuth 2.0 and a public sandbox supports pre-production integration,
with production access gated behind partner approval. Developer documentation is HTML-only (the portal is a single-page
app); Capital One does not publish downloadable OpenAPI specifications. As an FDX member, Capital One also supports consumer-permissioned
open-finance data access through aggregators in the US voluntary open-banking context.
maintainers:
- FN: Kin Lane
email: info@apievangelist.com
specificationVersion: '0.19'