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Learn More about Newline
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Newline Platform API

  • Getting Started
  • Auth
    • Generate an authentication tokenpost
  • Customers
    • Overview of Customer Types
    • Get a list of Customersget
    • Create a new Customerpost
    • Get a single Customerget
    • Adjust Customer Dataput
    • Archive a Customerdelete
    • Customer Statuses
  • Pools
    • List Poolsget
    • Get a single Poolget
  • Products
    • List Productsget
    • Get a single Productget
  • Customer Products
    • List Customer Productsget
    • Onboard Customer onto a Productpost
    • Get a single Customer Productget
    • Customer Product Statuses
  • Custodial Accounts
    • List Custodial Accountsget
    • Get a single Custodial Accountget
    • Custodial Account Statuses
  • Synthetic Accounts
    • List Synthetic Account Typesget
    • Get a Single Synthetic Account Typeget
    • List Synthetic Accountsget
    • Create a New Synthetic Accountpost
    • Get a single Synthetic Accountget
    • Update the Synthetic Account metadataput
    • Archive a Synthetic Accountdelete
    • Synthetic Account Categories
    • Synthetic Account Statuses
  • Transfers
    • List Transfersget
    • Initiate a Transferpost
    • Get a single Transferget
    • Cancel a Transferput
    • Transfer Statuses
  • Sandbox
    • Simulate a Transactionpost
  • Transactions
    • List Transactionsget
    • Get a single Transactionget
    • Approve or deny a transactionput
    • List Transaction Eventsget
    • Get a single Transaction Eventget
    • List Synthetic Line Itemsget
    • Get a single Synthetic Line Itemget
    • List Custodial Line Itemsget
    • Get a single Custodial Line Itemget
    • Transaction Statuses and Types
    • Debit Card Denied Authorization Reasons
  • Debit Cards
    • List all Debit Cardsget
    • Create a new Debit Cardpost
    • Get a single Debit Cardget
    • Activate a Debit Cardput
    • Lock a Debit Cardput
    • Unlock a Debit Cardput
    • Reissue a Debit Cardput
    • Get Debit Card PIN tokenget
    • Get Debit Card access tokenget
    • Migrate a virtual Debit Card to a physical Debit Cardput
    • Get a virtual Debit Card imageget
  • Virtual Reference Numbers
    • List Virtual Reference Numbersget
    • Create a new Virtual Reference Numberpost
    • Get a single Virtual Reference Numberget
    • Edit a Virtual Reference Numberput
    • Archive a single Virtual Reference Numberdelete
    • Lock a single Virtual Reference Numberput
    • Unlock a single Virtual Reference Numberput
    • Virtual Reference Number Statuses
  • Returns
    • List Returnsget
    • Create a new Returnpost
    • Get a single Returnget
  • Combined Transfers
    • List Combined Transfersget
    • Create a new Combined Transferpost
    • Get a single Combined Transferget

Sandbox

The Sandbox section provides tools to test and simulate interactions with the Newline API in a controlled environment.

Endpoints:

  • POST Simulate a Transaction: POST /sandbox/mock_transactions
  • Table of Contents
    • Endpoints:

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