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

# Delete SIP trunk

> Delete a SIP trunk that has no associated phone numbers.



## OpenAPI

````yaml https://api.itellico.ai/v1/openapi.json delete /v1/accounts/{account_id}/sip-trunks/{sip_trunk_id}
openapi: 3.1.0
info:
  title: itellicoAI API v1
  version: 1.0.0
  description: >-
    Public REST API for managing accounts, agents, telephony resources, and
    conversations.


    Authentication is via API key in the `X-API-Key` header.
  termsOfService: https://itellico.ai/legal/terms-and-conditions/
  contact:
    name: itellicoAI Support
    email: support@itellico.ai
  license:
    name: Proprietary
servers:
  - url: https://api.itellico.ai
    description: Production
security:
  - APIKeyAuth: []
tags:
  - name: Accounts
    description: >-
      Identify the current account context and fetch core account metadata to
      bootstrap API usage.
  - name: Subaccounts
    description: >-
      Create and manage child accounts under a parent to model tenant
      hierarchies and delegated access.
  - name: Agents
    description: >-
      Define and configure conversational agents (model, transcriber, voice,
      behavior) used in calls and automations.
  - name: Providers
    description: >-
      Discover available AI model, transcriber, and voice catalogs for the
      current account when configuring agents.
  - name: Phone Numbers
    description: >-
      Manage BYOC phone numbers bound to your account; route inbound calls to
      agents and enable outbound calling.
  - name: SIP Trunks
    description: >-
      Manage BYOC SIP trunk connectivity (origination/termination endpoints and
      allowed IPs) used by phone numbers.
  - name: Calls
    description: >-
      Create, list, inspect, and connect voice calls across phone and web
      channels.
  - name: Conversations
    description: List and inspect conversation activity across web and telephony channels.
  - name: Analytics
    description: Usage analytics and reporting endpoints for conversation activity.
paths:
  /v1/accounts/{account_id}/sip-trunks/{sip_trunk_id}:
    delete:
      tags:
        - SIP Trunks
      summary: Delete SIP trunk
      description: Delete a SIP trunk that has no associated phone numbers.
      operationId: deleteSipTrunk
      parameters:
        - in: path
          name: account_id
          schema:
            format: uuid4
            title: Account Id
            type: string
          required: true
        - in: path
          name: sip_trunk_id
          schema:
            format: uuid4
            title: Sip Trunk Id
            type: string
          required: true
      responses:
        '204':
          description: No Content
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorSchema'
      security:
        - APIKeyAuth: []
components:
  schemas:
    ErrorSchema:
      description: |-
        Standard error response payload for all API endpoints.

        Follows industry best practices (similar to Stripe, RetellAI):
        - code: Machine-readable error identifier for programmatic handling
        - message: Human-readable description for display
        - detail: Optional additional context for debugging
        - errors: Optional list of field-level validation errors
      examples:
        - code: not_found
          detail: Agent with UUID 123e4567-e89b-12d3-a456-426614174000 does not exist
          message: Resource not found
        - code: validation_error
          errors:
            - field: body.email
              message: Invalid email format
              type: value_error
            - field: body.name
              message: Field required
              type: missing
          message: Validation failed
      properties:
        code:
          description: Machine-readable error code (e.g., 'not_found', 'validation_error')
          title: Code
          type: string
        message:
          description: Human-readable error message
          title: Message
          type: string
        detail:
          anyOf:
            - type: string
            - type: 'null'
          description: Optional detailed context for debugging
          title: Detail
        errors:
          anyOf:
            - items:
                $ref: '#/components/schemas/FieldErrorSchema'
              type: array
            - type: 'null'
          description: Field-level validation errors (for 422 responses)
          title: Errors
      required:
        - code
        - message
      title: ErrorSchema
      type: object
    FieldErrorSchema:
      description: Schema for individual field validation errors.
      properties:
        field:
          description: Field path (e.g., 'body.name', 'query.page')
          title: Field
          type: string
        message:
          description: Human-readable error message
          title: Message
          type: string
        type:
          description: Error type (e.g., 'value_error', 'type_error')
          title: Type
          type: string
      required:
        - field
        - message
        - type
      title: FieldErrorSchema
      type: object
  securitySchemes:
    APIKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key

````