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

# List webhook subscriptions

> Returns all webhook subscriptions owned by the authenticated integrator, including each
subscription's active public signing key.



## OpenAPI

````yaml /api-reference/openapi-integrator.json get /v1/webhooks/subscriptions
openapi: 3.0.3
info:
  title: Byzantine Integrator API
  description: Byzantine REST API for integrators.
  license:
    name: ''
  version: 0.2.0
servers:
  - url: https://sandbox.api.byzantine.fi
    description: Sandbox
security: []
tags:
  - name: API health
    description: Check API status.
  - name: Customer management
    description: Endpoints to create, update, and retrieve customer information.
  - name: Account management
    description: Endpoints to manage accounts, bank accounts, invitations, and user roles.
  - name: Products
    description: Endpoints to get data about products and vaults.
  - name: Transactions
    description: Endpoints to create and manage transactions.
  - name: OTP authentication
    description: Endpoints to initialize and manage user authentication with OTP.
  - name: Webhooks
    description: Integrator-managed outbound webhook subscriptions and delivery history.
paths:
  /v1/webhooks/subscriptions:
    get:
      tags:
        - Webhooks
      summary: List webhook subscriptions
      description: >-
        Returns all webhook subscriptions owned by the authenticated integrator,
        including each

        subscription's active public signing key.
      operationId: list_subscriptions
      parameters:
        - name: X-Pubkey
          in: header
          description: >-
            Integrator's ECDSA public key (P-256 curve, compressed SEC1 format).
            Example:
            0x038fedef7c12f93bbf342ad8943b7a825a3b41f61c9dc118b2c718efebabbf62fd
          required: true
          schema:
            type: string
        - name: X-Timestamp
          in: header
          description: >-
            Unix timestamp in seconds (UTC). Must be within tolerance window (1
            minute) to prevent replay attacks. Example: 1760375826
          required: true
          schema:
            type: string
        - name: X-Signature
          in: header
          description: >-
            ECDSA signature (DER-encoded, hex with 0x prefix). Signs the
            message: {timestamp}{METHOD}{path_and_query}{json_body}. Example:
            0x3045022100...
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Webhook subscriptions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListWebhookSubscriptionsResponse'
      security:
        - integrator_auth: []
components:
  schemas:
    ListWebhookSubscriptionsResponse:
      type: object
      required:
        - subscriptions
      properties:
        subscriptions:
          type: array
          items:
            $ref: '#/components/schemas/WebhookSubscriptionResponse'
    WebhookSubscriptionResponse:
      type: object
      required:
        - subscription
        - publicKey
        - algorithm
      properties:
        subscription:
          $ref: '#/components/schemas/WebhookSubscription'
        publicKey:
          type: string
        algorithm:
          type: string
    WebhookSubscription:
      type: object
      required:
        - id
        - integratorId
        - url
        - enabled
        - eventTypes
        - endpointSafetyMetadata
        - createdAt
        - updatedAt
      properties:
        id:
          $ref: '#/components/schemas/Uuid'
        integratorId:
          $ref: '#/components/schemas/Uuid'
        url:
          type: string
        enabled:
          type: boolean
        eventTypes: {}
        activeSigningKeyId:
          allOf:
            - $ref: '#/components/schemas/Uuid'
          nullable: true
        endpointSafetyMetadata: {}
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
    Uuid:
      type: string
      format: uuid
      description: A UUID string
      example: 550e8400-e29b-41d4-a716-446655440000
  securitySchemes:
    integrator_auth:
      type: apiKey
      in: header
      name: X-Pubkey, X-Timestamp, X-Signature

````