Get Started with Optum APIs

If you are a developer building or extending healthcare applications and services through the use of APIs, you have come to the right place. We will help you create sandboxes, access security tokens, and get started using our APIs, and to find the appropriate supporting documents to quickly get started and use our services. To learn more about us, visit Optum.

Quick start

See quick start.

API categories supported

Our Eligibility API solution provides complete patient profile and benefits information to support for delivering healthcare with more efficient and accurate reimbursement.

Our Professional Claims API translates the standard X12 EDI 837P transaction to the more-readable Javascript Object Notation (JSON), so it is more accessible to developers and more easily integrated into users’ applications.

Institutional (837i) transaction enables healthcare providers to submit institutional healthcare claims for a service or encounter.

Our Integrated Rules Professional API enables you to perform claim scrubbing on a professional claim and fix any possible errors before sending it to the payer.

The Claim Status v2 API checks to verify the current status of any claim you submit to insurance payers that are supported by our [Optum payer lists](

The Optum (formerly, Change Healthcare) Attachments Submission API supports the X12 EDI 275 Patient Information transaction.

Our Attachment Status API enables customers to query for the status of medical documents, that they have sent as attachment transactions to their payer.

Our Claims Responses and Reports API provides a direct connection to your mailbox where payers will send their final claims responses and reports.

Initial **Beta** offering of Dental Benefits Advisor API from Optum (formerly, Change Healthcare).

Our new Payer Finder v1 API collection enables you to search for payer information in the Revenue Performance Advisor and Optum (formerly, Change Healthcare) payer lists.

Our Medical Network APIs take standard X12 transactions and translate them to JSON so that they are more accessible to developers and easily integrated into users' applications.

Tips and solutions to some of the most common questions asked by customers, developer community, and internal staff about the use of the Optum (formerly, Change Healthcare) APIs.

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