Chronary Webhooks API
The Webhooks API from Chronary — 3 operation(s) for webhooks.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Chronary Webhooks API
version: 1.0.0
description: 'Calendar-as-a-service API for AI agents.
Manage calendars, events, and availability for AI and human agents.
All endpoints require an API key passed as a Bearer token.
**Authentication:** `Authorization: Bearer chr_sk_...` or `Authorization: Bearer chr_ak_...`
**Rate limit:** 10 requests/second per API key. Exceeds return HTTP 429.
**Quotas:** Monthly operation limits by plan — see Billing & plans and Rate limits.
**Agent bootstrap:** Custom extensions prefixed `x-agent-*` describe the self-signup flow for AI agents. These are not part of any registered OpenAPI extension — they are a Chronary convention.'
contact:
name: Chronary Support
email: support@chronary.ai
url: https://docs.chronary.ai
servers:
- url: https://api.chronary.ai
description: Production
security:
- BearerAuth: []
tags:
- name: Webhooks
paths:
/v1/webhooks:
get:
operationId: listWebhooks
summary: List webhooks
tags:
- Webhooks
parameters:
- schema:
type: integer
minimum: 1
maximum: 100
default: 20
required: false
name: limit
in: query
- schema:
type:
- integer
- 'null'
minimum: 0
default: 0
required: false
name: offset
in: query
responses:
'200':
description: List of webhooks
content:
application/json:
schema:
$ref: '#/components/schemas/WebhookList'
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
post:
operationId: createWebhook
summary: Create a webhook
description: Registers a new webhook endpoint. Chronary will deliver signed POST requests to your URL when subscribed events occur. The signing secret is returned only at creation time — store it securely.
tags:
- Webhooks
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/CreateWebhook'
responses:
'201':
description: Webhook created
content:
application/json:
schema:
$ref: '#/components/schemas/WebhookCreated'
'400':
description: Validation error — invalid request body or query parameters
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'403':
description: Forbidden — quota exceeded or operation not permitted
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/v1/webhooks/{id}:
get:
operationId: getWebhook
summary: Get a webhook
tags:
- Webhooks
parameters:
- schema:
type: string
example: whk_01H9X4M2P5R8T6V0
description: Webhook ID
required: true
description: Webhook ID
name: id
in: path
responses:
'200':
description: Webhook details
content:
application/json:
schema:
$ref: '#/components/schemas/Webhook'
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
patch:
operationId: updateWebhook
summary: Update a webhook
tags:
- Webhooks
parameters:
- schema:
type: string
example: whk_01H9X4M2P5R8T6V0
description: Webhook ID
required: true
description: Webhook ID
name: id
in: path
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateWebhook'
responses:
'200':
description: Updated webhook
content:
application/json:
schema:
$ref: '#/components/schemas/Webhook'
'400':
description: Validation error — invalid request body or query parameters
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
delete:
operationId: deleteWebhook
summary: Delete a webhook
tags:
- Webhooks
parameters:
- schema:
type: string
example: whk_01H9X4M2P5R8T6V0
description: Webhook ID
required: true
description: Webhook ID
name: id
in: path
responses:
'204':
description: Webhook deleted
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/v1/webhooks/{id}/deliveries:
get:
operationId: listWebhookDeliveries
summary: List webhook deliveries
description: Returns delivery history for a webhook subscription. Useful for diagnosing failed deliveries. Payload bodies are omitted by default — pass `include_payload=true` to include them. Requires an org-level API key; agent-scoped keys receive 403.
tags:
- Webhooks
parameters:
- schema:
type: string
example: whk_01H9X4M2P5R8T6V0
description: Webhook ID
required: true
description: Webhook ID
name: id
in: path
- schema:
type: integer
minimum: 1
maximum: 100
default: 20
required: false
name: limit
in: query
- schema:
type:
- integer
- 'null'
minimum: 0
default: 0
required: false
name: offset
in: query
- schema:
type: string
enum:
- pending
- delivered
- failed
required: false
name: status
in: query
- schema:
type: string
enum:
- 'true'
- 'false'
required: false
name: include_payload
in: query
responses:
'200':
description: Delivery history with pagination and all-time status counts
content:
application/json:
schema:
$ref: '#/components/schemas/WebhookDeliveryList'
'400':
description: Validation error — invalid request body or query parameters
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'401':
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'403':
description: Forbidden — quota exceeded or operation not permitted
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'429':
description: Rate limited — 10 requests per second per key exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
components:
schemas:
UpdateWebhook:
type: object
properties:
url:
type: string
format: uri
events:
type: array
items:
type: string
enum:
- agent.created
- agent.updated
- event.created
- event.updated
- event.deleted
- event.started
- event.ended
- event.reminder
- event.hold_created
- event.hold_expired
- event.hold_released
- event.hold_confirmed
- proposal.created
- proposal.responded
- proposal.confirmed
- proposal.expired
- proposal.cancelled
- webhook.deactivated
- org.plan_changed
minItems: 1
active:
type: boolean
WebhookDelivery:
type: object
properties:
id:
type: string
example: whd_01H9X4M2P5R8T6V0
subscription_id:
type: string
example: whk_01H9X4M2P5R8T6V0
event_type:
type: string
enum:
- agent.created
- agent.updated
- event.created
- event.updated
- event.deleted
- event.started
- event.ended
- event.reminder
- event.hold_created
- event.hold_expired
- event.hold_released
- event.hold_confirmed
- proposal.created
- proposal.responded
- proposal.confirmed
- proposal.expired
- proposal.cancelled
- webhook.deactivated
- org.plan_changed
example: event.created
status:
type: string
enum:
- pending
- delivered
- failed
example: delivered
attempts:
type: integer
example: 1
last_attempt_at:
type:
- string
- 'null'
format: date-time
example: '2026-04-18T10:00:00.000Z'
next_retry_at:
type:
- string
- 'null'
format: date-time
example: null
created_at:
type: string
format: date-time
example: '2026-04-18T09:55:00.000Z'
payload:
type: object
additionalProperties: {}
description: Present only when include_payload=true
example:
id: evt_abc
title: Meeting
required:
- id
- subscription_id
- event_type
- status
- attempts
- last_attempt_at
- next_retry_at
- created_at
WebhookList:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/Webhook'
total:
type: integer
example: 1
limit:
type: integer
example: 20
offset:
type: integer
example: 0
required:
- data
- total
- limit
- offset
CreateWebhook:
type: object
properties:
url:
type: string
format: uri
events:
type: array
items:
type: string
enum:
- agent.created
- agent.updated
- event.created
- event.updated
- event.deleted
- event.started
- event.ended
- event.reminder
- event.hold_created
- event.hold_expired
- event.hold_released
- event.hold_confirmed
- proposal.created
- proposal.responded
- proposal.confirmed
- proposal.expired
- proposal.cancelled
- webhook.deactivated
- org.plan_changed
minItems: 1
required:
- url
- events
Error:
type: object
properties:
error:
type: object
properties:
type:
type: string
example: invalid_request
message:
type: string
example: The field "name" is required.
request_id:
type: string
example: req_01H9X4M2P5R8T6V0
required_plan:
type: string
example: pro
description: 'plan_required: the plan that unlocks the feature'
feature:
type: string
description: 'plan_required: the gated feature'
metric:
type: string
description: 'quota_exceeded and count caps: the metric at its limit (a PLAN_LIMITS key, accepted by POST /v1/billing/upgrade-requests)'
limit:
type: integer
description: 'quota_exceeded and count caps: the plan''s limit for `metric`'
upgrade_url:
type: string
description: Where a human upgrades the plan
docs_url:
type: string
contact_url:
type: string
description: 'Contract-managed plans: where to contact sales'
retry_after:
type: integer
description: Seconds until the request may be retried
required:
- type
- message
- request_id
required:
- error
Webhook:
type: object
properties:
id:
type: string
example: whk_01H9X4M2P5R8T6V0
orgId:
type: string
example: org_01H9X4M2P5R8T6V0
url:
type: string
format: uri
example: https://example.com/webhooks/chronary
events:
type: array
items:
type: string
enum:
- agent.created
- agent.updated
- event.created
- event.updated
- event.deleted
- event.started
- event.ended
- event.reminder
- event.hold_created
- event.hold_expired
- event.hold_released
- event.hold_confirmed
- proposal.created
- proposal.responded
- proposal.confirmed
- proposal.expired
- proposal.cancelled
- webhook.deactivated
- org.plan_changed
example:
- event.created
- event.updated
active:
type: boolean
example: true
consecutiveFailures:
type: integer
example: 0
description: 'Circuit-breaker counter: consecutive terminal delivery failures. Reset to 0 on any successful delivery; the endpoint is auto-deactivated at 20 or after 24h of continuous failure.'
firstFailureAt:
type:
- string
- 'null'
format: date-time
example: null
description: Timestamp of the first failure in the current failure streak; null when there is no active streak.
createdAt:
type: string
format: date-time
example: '2025-01-15T10:00:00.000Z'
required:
- id
- orgId
- url
- events
- active
- consecutiveFailures
- firstFailureAt
- createdAt
WebhookCreated:
allOf:
- $ref: '#/components/schemas/Webhook'
- type: object
properties:
secret:
type: string
example: whsec_abc123...
description: HMAC-SHA256 signing secret — returned once at creation time only. Store it securely.
required:
- secret
WebhookDeliveryList:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/WebhookDelivery'
total:
type: integer
example: 42
limit:
type: integer
example: 20
offset:
type: integer
example: 0
stats:
type: object
properties:
pending:
type: integer
example: 2
delivered:
type: integer
example: 35
failed:
type: integer
example: 5
required:
- pending
- delivered
- failed
description: All-time delivery counts for this webhook
required:
- data
- total
- limit
- offset
- stats
securitySchemes:
BearerAuth:
type: http
scheme: bearer
description: 'API key with `chr_sk_*` for org-level access or `chr_ak_*` for agent-scoped access. Pass in the Authorization header: `Authorization: Bearer chr_sk_...`'
SessionAuth:
type: apiKey
in: cookie
name: chronary_session
description: Console session JWT (HS256), issued by sign-in and sent as the `chronary_session` cookie (a Bearer JWT is also accepted). This is NOT a chr_sk_*/chr_ak_* API key — API keys are rejected with 401 on these endpoints.
x-agent-self-signup:
url: https://api.chronary.ai/v1/agent/sign-up
verify_url: https://api.chronary.ai/v1/agent/verify
restricted_key_returned: true
human_in_the_loop: otp_email
rate_limit: 5 requests per 60s per client IP
x-agent-bootstrap-script:
npx: npx @chronary/agent-init@latest
shell: https://chronary.ai/agent-init.sh
description: One-liner that performs sign-up, prompts for OTP, verifies, and creates a smoke calendar. Accepts CHRONARY_EMAIL and CHRONARY_OTP env vars for non-interactive flows.
x-llms-txt: https://docs.chronary.ai/llms.txt
x-llms-full-txt: https://docs.chronary.ai/llms-full.txt
x-mcp-server-card: https://chronary.ai/.well-known/mcp/server-card.json
x-api-catalog: https://chronary.ai/.well-known/api-catalog