> ## Documentation Index
> Fetch the complete documentation index at: https://docs.eldra.ai/llms.txt
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# Initiates the OTP (One-Time Password) authentication process by sending an OTP to the specified phone number.



## OpenAPI

````yaml https://raw.githubusercontent.com/FooBarBizarre/docs/refs/heads/main/api-reference/openapi.json post /authentication/start-otp
openapi: 3.0.1
info:
  title: Maia Backend API
  version: v1
servers: []
security: []
paths:
  /authentication/start-otp:
    post:
      tags:
        - Authentication
      summary: >-
        Initiates the OTP (One-Time Password) authentication process by sending
        an OTP to the specified phone number.
      requestBody:
        description: The request containing the phone number to send the OTP to.
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/StartOtpRequest'
          text/json:
            schema:
              $ref: '#/components/schemas/StartOtpRequest'
          application/*+json:
            schema:
              $ref: '#/components/schemas/StartOtpRequest'
      responses:
        '200':
          description: OTP sent successfully. Returns the request ID for verification.
        '400':
          description: Failed to send OTP to the specified phone number.
components:
  schemas:
    StartOtpRequest:
      type: object
      properties:
        phoneNumber:
          type: string
          nullable: true
      additionalProperties: false

````