Application Program Interface (API)


The Application Program Interface (API) provides a Client ID for firms/organizations creating a software package to communicate directly with the Internal Revenue Service (IRS) for scripting the e-Services products below.

  • TIN Matching
  • Transcript Delivery System
  • Secure Object Repository

e-Services product users wanting to use API, must complete the API Client ID Application and have a Client ID issued to the firm/organization.

In order to start the process you must contact the Help Desk at 866-255-0654 to obtain the User Guides that explains the software requirements.