> ## Documentation Index
> Fetch the complete documentation index at: https://developer.eka.care/llms.txt
> Use this file to discover all available pages before exploring further.

# Init Biometric Auth

> Starts a biometric authentication of the claim's beneficiary for the pre-auth or claim stage. auth_mode is FINGERPRINT or IRIS. Discharge is accepted for Claim.



## OpenAPI

````yaml post /abdm/nhcx/v1/claims/{claimId}/biometric-auth/init
openapi: 3.1.0
info:
  description: ABHA Registration and login APIs
  title: Registration
  version: 1.0.0
servers:
  - description: Production
    url: https://api.eka.care
  - description: Stage/Sandbox
    url: https://api.dev.eka.care
security: []
paths:
  /abdm/nhcx/v1/claims/{claimId}/biometric-auth/init:
    post:
      summary: Init Biometric Auth
      description: >-
        Starts a biometric authentication of the claim's beneficiary for the
        pre-auth or claim stage. auth_mode is FINGERPRINT or IRIS. Discharge is
        accepted for Claim.
      parameters:
        - description: Eka User ID (OID)
          in: header
          name: X-Pt-Id
          schema:
            type: string
        - description: Partner User ID
          in: header
          name: X-Partner-Pt-Id
          schema:
            type: string
        - description: Partner HIP ID
          in: header
          name: X-Hip-Id
          schema:
            type: string
        - description: claim_id returned by Create Claim
          in: path
          name: claimId
          required: true
          schema:
            description: claim_id returned by Create Claim
            minimum: 0
            type: integer
      requestBody:
        content:
          application/json:
            schema:
              properties:
                auth_mode:
                  type: string
                process:
                  enum:
                    - Preauth
                    - Claim
                    - Discharge
                  type: string
              required:
                - process
                - auth_mode
              type: object
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ModelsBiometricAuthInitResponse'
          description: OK
        4XX:
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NhcxError'
          description: ''
        5XX:
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NhcxError'
          description: ''
      security:
        - authApiKey: []
components:
  schemas:
    ModelsBiometricAuthInitResponse:
      properties:
        txn_id:
          type: string
      type: object
    NhcxError:
      properties:
        error:
          type: string
        issues:
          description: >-
            Every validation problem found, when the backend rejects a submit
            before it reaches the payer
          items:
            type: string
          type: array
        updated_at:
          description: 'Only on a 409 from the draft save: the stored draft''s version'
          type: string
      type: object
  securitySchemes:
    authApiKey:
      description: The API requires a Bearer token (JWT) for authentication.
      scheme: bearer
      type: http

````

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