# Finicity Payments API

**Canonical:** https://apis.io/apis/finicity/finicity-payments-api/  
**Provider:** Finicity — https://apis.io/providers/finicity/  
**Base URL:** https://api.finicity.com  
**Documentation:** https://developer.mastercard.com/open-banking-us/documentation/

Finicity Payments API is one of 41 APIs that [Finicity](https://apis.io/providers/finicity/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Payments. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Fetch ACH details and account balances

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/aggregation/v2/customers/{customerId}/accounts/{accountId}/loanDetails` | Get Loan Payment Details |
| GET | `/aggregation/v1/customers/{customerId}/accounts/{accountId}/details` | Get Account ACH Details |
| GET | `/aggregation/v1/customers/{customerId}/accounts/{accountId}/availableBalance/live` | Get Available Balance |
| GET | `/aggregation/v1/customers/{customerId}/accounts/{accountId}/availableBalance` | Get Available Balance - Cached |
| GET | `/aggregation/v3/customers/{customerId}/accounts/{accountId}/details` | Get Account ACH Details with RTP/FedNow |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/finicity/refs/heads/main/openapi/finicity-payments-api-openapi.yml
- **Documentation** — https://developer.mastercard.com/open-banking-us/documentation/
- **APIReference** — https://developer.mastercard.com/open-banking-us/documentation/api-reference/
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/finicity/refs/heads/main/asyncapi/finicity-webhooks.yml

## Other Finicity APIs (12)

- [Finicity Connect](https://apis.io/apis/finicity/finicity-connect/)
- [Finicity Verification of Assets (VoA) API](https://apis.io/apis/finicity/finicity-verification-of-assets-api/)
- [Finicity Verification of Income & Employment (VoIE) API](https://apis.io/apis/finicity/finicity-verification-of-income-employment-api/)
- [Finicity Transaction Analysis (Cash Flow) API](https://apis.io/apis/finicity/finicity-transaction-analysis-api/)
- [Finicity Payments (Account Validation) API](https://apis.io/apis/finicity/finicity-payments-account-validation-api/)
- [Finicity Open Banking Data Access (FDX)](https://apis.io/apis/finicity/finicity-open-banking-data-access/)
- [Finicity Account Validation Assistance API](https://apis.io/apis/finicity/finicity-account-validation-assistance-api/)
- [Finicity Accounts API](https://apis.io/apis/finicity/finicity-accounts-api/)
- [Finicity Accounts (Simple) API](https://apis.io/apis/finicity/finicity-accounts-simple-api/)
- [Finicity App Registration API](https://apis.io/apis/finicity/finicity-app-registration-api/)
- [Finicity Authentication API](https://apis.io/apis/finicity/finicity-authentication-api/)
- [Finicity Balance Analytics API](https://apis.io/apis/finicity/finicity-balance-analytics-api/)

## Tags

Payments

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