# Newline Custodial Accounts API

**Canonical:** https://apis.io/apis/fifth-third-bancorp/newline-custodial-accounts-api/  
**Provider:** Fifth Third Bancorp — https://apis.io/providers/fifth-third-bancorp/  
**Base URL:** https://sandbox.newline53.com/api/v1  
**Documentation:** https://developers.newline53.com/reference/custodial-accounts

Newline Custodial Accounts API is one of 13 APIs that [Fifth Third Bancorp](https://apis.io/providers/fifth-third-bancorp/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Custodial Accounts, Deposits, FDIC, Reconciliation, and United States. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

Retrieve the FDIC-insured Custodial Accounts held by Fifth Third Bank on behalf of onboarded Customers, including active and archived accounts, their balances, and daily closing balances. Provides list and single-record endpoints for both accounts and their closing-balance history to support reconciliation and reporting.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/fifth-third-bancorp/refs/heads/main/openapi/newline-platform-api.json
- **APIReference** — https://developers.newline53.com/reference/custodial-accounts
- **Documentation** — https://developers.newline53.com/reference/custodial-account-statuses

## Other Fifth Third Bancorp APIs (12)

- [Newline Auth API](https://apis.io/apis/fifth-third-bancorp/newline-auth-api/)
- [Newline Customers API](https://apis.io/apis/fifth-third-bancorp/newline-customers-api/)
- [Newline Customer Products API](https://apis.io/apis/fifth-third-bancorp/newline-customer-products-api/)
- [Newline Products API](https://apis.io/apis/fifth-third-bancorp/newline-products-api/)
- [Newline Pools API](https://apis.io/apis/fifth-third-bancorp/newline-pools-api/)
- [Newline Synthetic Accounts API](https://apis.io/apis/fifth-third-bancorp/newline-synthetic-accounts-api/)
- [Newline Transfers API](https://apis.io/apis/fifth-third-bancorp/newline-transfers-api/)
- [Newline Combined Transfers API](https://apis.io/apis/fifth-third-bancorp/newline-combined-transfers-api/)
- [Newline Transactions API](https://apis.io/apis/fifth-third-bancorp/newline-transactions-api/)
- [Newline Returns API](https://apis.io/apis/fifth-third-bancorp/newline-returns-api/)
- [Newline Virtual Reference Numbers API](https://apis.io/apis/fifth-third-bancorp/newline-virtual-reference-numbers-api/)
- [Newline Sandbox API](https://apis.io/apis/fifth-third-bancorp/newline-sandbox-api/)

## Tags

Custodial Accounts, Deposits, FDIC, Reconciliation, United States

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