Unit · Postman Collection

Unit Checks API

Check payments (print-and-mail) and mobile check deposits: create, approve, cancel, return, confirm, and manage front/back check images.

2
Requests
2
Folders
View on GitHub Raw JSON FintechBackend-as-a-ServiceBankingPaymentsCard IssuingACHLendingJSON:APIPostman Collection

Overview

Unit Checks API is a Postman Collection published by Unit on the APIs.io network.

Check payments (print-and-mail) and mobile check deposits: create, approve, cancel, return, confirm, and manage front/back check images.

The collection contains 2 requests organised into 2 folders.

Tagged areas include Fintech, Backend-as-a-Service, Banking, Payments, and Card Issuing.

Requests & Folders

check-deposits
check-payments

Related API Specs

Unit Accounts API (OpenAPI) Unit API Tokens API (OpenAPI) Unit Applications API (OpenAPI) Unit Authorizations API (OpenAPI) Unit Cards API (OpenAPI) Unit Checks API (OpenAPI) Unit Counterparties API (OpenAPI) Unit Credit and Repayments API (OpenAPI) Unit Customers API (OpenAPI) Unit Events API (OpenAPI) Unit Fees and Rewards API (OpenAPI) Unit Payments API (OpenAPI) Unit Risk and Fraud API (OpenAPI) Unit Statements API (OpenAPI) Unit Tax Forms API (OpenAPI) Unit Transactions API (OpenAPI) Unit Webhooks API (OpenAPI)
Back to Unit · All Collections · GitHub

Work with this as data

Every collection here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for collections

4 MCP tools reach this
  • find_collectionsBrowse and filter every collection in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This collection 
curl "https://apis.io/api/v1/collections/postman-unit-co-checks-openapi"
All collections 
curl "https://apis.io/api/v1/collections?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.