How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Fifth Third Bancorp Returns API

The Returns endpoints help initiate, track, and manage returns of received and originated payments. These endpoints are accessible within the Sandbox and Production environments.**Endpoints:**- GET [List Returns: GET /returns](https://developers.newline53.com/reference/get_returns)- POST [Create a new Return: POST /returns](https://developers.newline53.com/reference/post_returns)- GET [Get a single Return: GET /returns/{uid}](https://developers.newline53.com/reference/get_returns-uid)The returns endpoint allows for the retrieval and creation of return transactions within the system.[GET List Returns](https://newline-enterprise-group.readme.io/reference/get_returns)- Use this endpoint to retrieve a list of all return transactions. You can filter the results based on various parameters such as status or date.[POST Create a New Return](https://newline-enterprise-group.readme.io/reference/post_returns)- This endpoint is used to Create a new return transaction. Return can only be created for eligible transactions that have already been completed.[GET a Single Return](https://newline-enterprise-group.readme.io/reference/get_returns-uid)- Use this endpoint to retrieve details about a specific return transaction.

Fifth Third Bancorp Returns API is one of 13 APIs that Fifth Third Bancorp publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Returns. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 3 operations across 2 paths. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://sandbox.newline53.com/api/v1.

3 operations 2 paths 0 schemas 2 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://sandbox.newline53.com/api/v1
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Fifth Third Bancorp Returns API declares 1 security scheme for authenticating requests. An API key is passed in the header as Authorization (ApiKeyAuth). By default, every request must be authenticated.

  • ApiKeyAuth — Access token signed with shared HMAC

Paths & Operations 3

Across 2 paths, the API surfaces 3 operations — 2 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Returns 3

The Returns endpoints help initiate, track, and manage returns of received and originated payments. These endpoints are accessible within the Sandbox and Production environments.…

GET
/returns
List Returns
3 params → 200403422
POST
/returns
Create a new Return
1 param body → 201400403422
GET
/returns/{uid}
Get a single Return
2 params → 200403404

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

fifth-third-bancorp-returns-api-openapi.yml Raw ↑

Other APIs Fifth Third Bancorp publishes across the network.

Fifth Third Bancorp Auth API
Fifth Third Bancorp Combined Transfers API
Fifth Third Bancorp Custodial Accounts API
Fifth Third Bancorp Customer Products API
Fifth Third Bancorp Customers API
Fifth Third Bancorp Pools API
Fifth Third Bancorp Products API
Fifth Third Bancorp Sandbox API
Fifth Third Bancorp Synthetic Accounts API
Fifth Third Bancorp Transactions API
Fifth Third Bancorp Transfers API
Fifth Third Bancorp Virtual Reference Numbers API
Where this information came from

This is an independent, third-party profile of Fifth Third Bancorp Returns API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.