tZERO Webhooks API
Webhook subscription management and event delivery
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OpenAPI Specification
openapi: 3.2.0
info:
title: tZERO Institutional API Documents Webhooks API
description: '## Overview
The **tZERO Institutional API** — programmatic access to transfer-agent, tokenization, and custody operations for institutional issuers and partners.'
version: 1.1.0
contact:
name: T0kenizer API Support
email: api@t0direct.com
servers:
- url: https://api.t0direct.com
description: Production
security:
- ApiKeyAuth: []
tags:
- name: Webhooks
description: Webhook subscription management and event delivery
paths:
/api/v1/webhooks/events:
get:
summary: List available webhook events
tags:
- Webhooks
description: Returns all webhook event types that can be subscribed to. No authentication required.
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: array
items:
type: string
operationId: getApiV1WebhooksEvents
x-operation-id-source: derived
/api/v1/webhooks/:
get:
summary: List webhook subscriptions
tags:
- Webhooks
parameters:
- schema:
type: integer
in: query
name: page
required: false
- schema:
type: integer
in: query
name: perPage
required: false
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/def-17'
pagination:
$ref: '#/components/schemas/def-0'
'500':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: getApiV1Webhooks
x-operation-id-source: derived
post:
summary: Create webhook subscription
tags:
- Webhooks
description: Creates a new webhook subscription. A secret is auto-generated if not provided. The secret is returned ONCE on creation — store it securely. Use it to verify incoming webhook signatures (HMAC-SHA256).
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- url
- events
properties:
url:
type: string
format: uri
description: Must be an HTTPS URL
events:
type: array
items:
type: string
minItems: 1
secret:
type: string
responses:
'201':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
allOf:
- $ref: '#/components/schemas/def-17'
- type: object
properties:
secret:
type: string
_note:
type: string
'400':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: postApiV1Webhooks
x-operation-id-source: derived
/api/v1/webhooks/{id}:
patch:
summary: Update webhook subscription
tags:
- Webhooks
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
url:
type: string
events:
type: array
items:
type: string
isActive:
type: boolean
parameters:
- schema:
type: string
in: path
name: id
required: true
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
$ref: '#/components/schemas/def-17'
'404':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: patchApiV1WebhooksById
x-operation-id-source: derived
delete:
summary: Delete webhook subscription
tags:
- Webhooks
parameters:
- schema:
type: string
in: path
name: id
required: true
responses:
'204':
description: No content
'404':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: deleteApiV1WebhooksById
x-operation-id-source: derived
/api/v1/webhooks/{id}/test:
post:
summary: Send test webhook event
tags:
- Webhooks
description: Queues a `ta.test` event for delivery to the subscription's URL to verify the endpoint is reachable and the signature verification logic is correct. Delivery is asynchronous (fire-and-forget) — the response confirms the event was queued, not that the remote endpoint accepted it.
parameters:
- schema:
type: string
in: path
name: id
required: true
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
message:
type: string
example: Test event queued for delivery
event:
type: string
example: ta.test
'404':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: postApiV1WebhooksByIdTest
x-operation-id-source: derived
components:
schemas:
def-17:
type: object
properties:
id:
type: string
url:
type: string
format: uri
events:
type: array
items:
type: string
isActive:
type: boolean
createdAt:
type: string
format: date-time
updatedAt:
type: string
format: date-time
title: WebhookSubscription
def-0:
type: object
properties:
total:
type: integer
description: Total number of matching records
page:
type: integer
description: Current page number
perPage:
type: integer
description: Records per page
totalPages:
type: integer
description: Total number of pages
title: PaginationMeta
def-1:
type: object
properties:
success:
type: boolean
example: false
error:
type: object
properties:
code:
type: string
example: T0K-V1-INV-001
message:
type: string
example: Investor not found
title: ErrorResponse
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
description: API key generated at app.t0kenizer.com/ta/api-keys