# Capital One Partner Account Summary API

**Canonical:** https://apis.io/apis/capital-one/partner-account-summary-api/  
**Provider:** Capital One — https://apis.io/providers/capital-one/  
**Base URL:** https://api-sandbox.capitalone.com  
**Documentation:** https://developer.capitalone.com/products/partner-account-summary?id=18757-1

Capital One Partner Account Summary API is one of 14 APIs that [Capital One](https://apis.io/providers/capital-one/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Account, Partners, and United States. The published artifact set on APIs.io includes API documentation.

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.

## Machine-readable artifacts (1)

- **Documentation** — https://developer.capitalone.com/products/partner-account-summary?id=18757-1

## Other Capital One APIs (12)

- [Capital One Account Lookup API](https://apis.io/apis/capital-one/account-lookup-api/)
- [Capital One Authorizations API](https://apis.io/apis/capital-one/authorizations-api/)
- [Capital One Credit Offers API](https://apis.io/apis/capital-one/credit-offers-api/)
- [Capital One Customer Transactions](https://apis.io/apis/capital-one/customer-transactions/)
- [Capital One Data Protection and Client Authentication Public Key Sharing API](https://apis.io/apis/capital-one/data-protection-and-client-authentication-public-key-sharing-api/)
- [Capital One Digital Auto Financing Credit Application API](https://apis.io/apis/capital-one/digital-auto-financing-credit-application-api/)
- [Capital One Enhanced Decisioning Data API](https://apis.io/apis/capital-one/enhanced-decisioning-data-api/)
- [Capital One In-Store Credit Card Payments API](https://apis.io/apis/capital-one/in-store-credit-card-payments-api/)
- [Capital One POS Credit Card Application API](https://apis.io/apis/capital-one/pos-credit-card-application-api/)
- [Capital One Pre-Application Orchestrator API](https://apis.io/apis/capital-one/pre-application-orchestrator-api/)
- [Capital One Real-Time Proactive Prescreen API](https://apis.io/apis/capital-one/real-time-proactive-prescreen-api/)
- [Capital One Retrieve Consumer Bank Products API](https://apis.io/apis/capital-one/retrieve-consumer-bank-products-api/)

## Tags

Account, Partners, United States

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/capital-one/partner-account-summary-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/capital-one/.