availity Auth Attachments API

Attach documentation to authorization requests

Work with this as data

Every API 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 apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • 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 API
curl "https://apis.io/api/v1/apis/availity-auth-attachments-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

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

Get an API key

Free tier, no email required.

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

OpenAPI Specification

availity-auth-attachments-api-openapi.yml Raw ↑
openapi: 3.1.0
info:
  title: Availity Claim Attachments Auth Attachments API
  description: The Availity Claim Attachments API enables electronic submission of supporting documentation alongside healthcare claims.
  version: 1.0.0
  contact:
    name: Availity Developer Portal
    url: https://developer.availity.com/
servers:
- url: https://api.availity.com
  description: Availity Production API
security:
- oauth2: []
tags:
- name: Auth Attachments
  description: Attach documentation to authorization requests
paths:
  /value-adds/v2/attachments:
    post:
      operationId: submitAuthAttachment
      summary: Availity Submit Authorization with Attachment
      description: Submit an authorization request with supporting document attachments.
      tags:
      - Auth Attachments
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AttachmentRequest'
      responses:
        '200':
          description: Attachment submitted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AsyncJobResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
  /value-adds/v2/attachments/{id}:
    get:
      operationId: getAttachmentStatus
      summary: Availity Get Attachment Processing Status
      description: Retrieve the processing status of a submitted authorization attachment.
      tags:
      - Auth Attachments
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: Attachment job ID
        example: '500123'
      responses:
        '200':
          description: Attachment status
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AttachmentStatusResponse'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: Not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        code:
          type: string
          example: INVALID_REQUEST
        message:
          type: string
          example: Required field missing
        details:
          type: array
          items:
            type: string
    AttachmentStatusResponse:
      type: object
      properties:
        id:
          type: string
          example: '500123'
        status:
          type: string
          enum:
          - SUBMITTED
          - AV_ACCEPTED
          - AV_REJECTED
          - PY_ACCEPTED
          - PY_REJECTED
          example: AV_ACCEPTED
    AttachmentRequest:
      type: object
      required:
      - payerId
      - patient
      - subscriber
      - provider
      - certificationNumber
      - attachments
      properties:
        payerId:
          type: string
          example: BCBS001
        patient:
          type: object
          properties:
            firstName:
              type: string
              example: Jane
            lastName:
              type: string
              example: Smith
        subscriber:
          type: object
          properties:
            memberId:
              type: string
              example: MEM123456
        provider:
          type: object
          properties:
            npi:
              type: string
              example: '1234567890'
        certificationNumber:
          type: string
          example: AUTH-2025-001234
        attachments:
          type: array
          items:
            type: object
            properties:
              contentType:
                type: string
                example: application/pdf
              title:
                type: string
                example: Clinical Notes
              data:
                type: string
                format: byte
    AsyncJobResponse:
      type: object
      properties:
        id:
          type: string
          description: Job ID for polling
          example: '500123'
        status:
          type: string
          example: PROCESSING
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.availity.com/availity/v1/token
          scopes:
            hipaa: Access to HIPAA transaction APIs