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

# Hang up a call

> Terminates an active call. The call must be in a ringing or in-progress state. Uses the stored Telnyx call_control_id to issue the hangup command.



## OpenAPI

````yaml /openapi.json post /v1/voice/calls/{id}/hangup
openapi: 3.1.0
info:
  title: LumisReach v1 API
  version: 1.0.0
  description: >-
    Programmatic access to the LumisReach voice platform — calls, numbers,
    caller trust, and brands.
  contact:
    name: LumisReach
    email: founders@lumisreach.com
servers:
  - url: https://api.lumisreach.com
security:
  - bearerAuth: []
tags:
  - name: Phone Numbers
  - name: Caller IDs
  - name: Enterprise Registration
  - name: Branded Calling
  - name: Calls
  - name: SMS
  - name: WebRTC
  - name: Reputation
  - name: Usage
  - name: Account
  - name: Documents
  - name: Sub-entities
paths:
  /v1/voice/calls/{id}/hangup:
    post:
      tags:
        - Calls
      summary: Hang up a call
      description: >-
        Terminates an active call. The call must be in a ringing or in-progress
        state. Uses the stored Telnyx call_control_id to issue the hangup
        command.
      operationId: v1_voice_calls_id_hangup_post
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: Idempotency-Key
          in: header
          required: false
          description: >-
            UUID — when present, deduplicates repeat submissions. See
            /api-reference/idempotency.
          schema:
            type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
        '409':
          description: Conflict (incl. idempotency conflicts)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
        '429':
          description: Rate limited
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
components:
  schemas:
    ErrorEnvelope:
      type: object
      properties:
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
            message:
              type: string
            fields:
              type: object
              additionalProperties:
                type: string
            doc_url:
              type: string
              format: uri
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````