availity

Availity Service Reviews (Prior Authorization) API

The Availity Service Reviews API enables the ASC X12N 278 transaction for prior authorization and healthcare service review. REST APIs allow providers to find, create, and manage authorization requests and responses with health plan payers through the Availity clearinghouse. Includes IsAuthRequired and Attachments add-on APIs.

Documentation GitHub OpenAPI

Documentation

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Documentation

https://developer.availity.com/blog/2025/3/4/service-reviews

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GettingStarted

https://developer.availity.com/partner/gettingstarted

Specifications

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OpenAPI

https://raw.githubusercontent.com/api-evangelist/availity/refs/heads/main/openapi/availity-service-reviews-openapi.yml