Cal.com Notifications API
The Notifications API from Cal.com — 9 operation(s) for notifications.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/cal-com:cal-com-notifications-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: Cal.com API v2 Notifications API
description: ''
version: 1.0.0
contact: {}
servers: []
tags:
- name: Notifications
paths:
/v2/notifications/subscriptions/app-push:
post:
operationId: NotificationsSubscriptionsController_register
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RegisterAppPushSubscriptionInput'
responses:
'201':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/AppPushSubscriptionResponseDto'
summary: Register an app push subscription
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
delete:
operationId: NotificationsSubscriptionsController_remove
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveAppPushSubscriptionInput'
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveAppPushSubscriptionResponseDto'
summary: Remove an app push subscription
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/slack/link-intents:
post:
operationId: NotificationsChatSubscriptionsController_createSlackLinkIntent
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
responses:
'201':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ChatPushLinkIntentResponseDto'
summary: Create a Slack push linking intent
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/telegram/link-intents:
post:
operationId: NotificationsChatSubscriptionsController_createTelegramLinkIntent
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
responses:
'201':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ChatPushLinkIntentResponseDto'
summary: Create a Telegram push linking intent
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/imessage/link-intents:
post:
operationId: NotificationsChatSubscriptionsController_createImessageLinkIntent
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
responses:
'201':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ChatPushLinkIntentResponseDto'
summary: Create an iMessage push linking intent
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/slack:
delete:
operationId: NotificationsChatSubscriptionsController_removeSlack
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveSlackSubscriptionInput'
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveSlackSubscriptionResponseDto'
summary: Remove a Slack push subscription
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/telegram:
delete:
operationId: NotificationsChatSubscriptionsController_removeTelegram
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveChatSubscriptionInput'
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveTelegramSubscriptionResponseDto'
summary: Remove a Telegram push subscription
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/subscriptions/imessage:
delete:
operationId: NotificationsChatSubscriptionsController_removeImessage
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveChatSubscriptionInput'
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RemoveImessageSubscriptionResponseDto'
summary: Remove an iMessage push subscription
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
/v2/notifications/agent-channels:
get:
operationId: NotificationsAgentChannelsController_getAgentChannels
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/AgentChannelsResponseDto'
summary: Get the agent notification channel selection
tags:
- Notifications
x-oauth-scopes:
- PROFILE_READ
/v2/notifications/agent-channels/{channel}:
patch:
operationId: NotificationsAgentChannelsController_updateAgentChannel
parameters:
- name: Authorization
in: header
description: value must be `Bearer <token>` where `<token>` is api key prefixed with cal_
required: true
schema:
type: string
- name: channel
required: true
in: path
schema:
enum:
- slack
- telegram
- imessage
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateAgentChannelInput'
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/AgentChannelsResponseDto'
summary: Enable or disable an agent notification channel
tags:
- Notifications
x-oauth-scopes:
- PROFILE_WRITE
components:
schemas:
RemoveSlackSubscriptionResponseDto:
type: object
properties:
status:
type: string
example: success
enum:
- success
- error
message:
type: string
example: Slack subscription removed successfully
required:
- status
- message
AgentChannelsResponseDto:
type: object
properties:
status:
enum:
- success
- error
type: string
example: success
data:
$ref: '#/components/schemas/AgentChannelsOutputDto'
required:
- status
- data
RemoveAppPushSubscriptionResponseDto:
type: object
properties:
status:
enum:
- success
- error
type: string
example: success
message:
type: string
example: App push subscription removed successfully
required:
- status
- message
RemoveImessageSubscriptionResponseDto:
type: object
properties:
status:
type: string
example: success
enum:
- success
- error
message:
type: string
example: iMessage subscription removed successfully
required:
- status
- message
AppPushSubscriptionOutputDto:
type: object
properties:
id:
type: number
userId:
type: number
type:
type: string
platform:
type: string
identifier:
type: string
deviceId:
type:
- string
- 'null'
createdAt:
format: date-time
type: string
updatedAt:
format: date-time
type: string
required:
- id
- userId
- type
- platform
- identifier
- deviceId
- createdAt
- updatedAt
RemoveChatSubscriptionInput:
type: object
properties:
identifier:
type: string
description: Chat platform identifier to remove
example: U0123456789
subscriptionId:
type: number
minimum: 1
description: Delete only this subscription ID; requires subscriptionVersion
subscriptionVersion:
type: string
description: Delete only this generation; requires subscriptionId
required:
- identifier
RegisterAppPushSubscriptionInput:
type: object
properties:
token:
type: string
description: Expo Push Token
example: ExponentPushToken[xxxxxxxxxxxxxxxxxxxxxx]
platform:
enum:
- IOS
- ANDROID
type: string
description: Mobile platform
example: IOS
deviceId:
type: string
description: Unique device identifier
example: device-uuid-123
required:
- token
- platform
- deviceId
UpdateAgentChannelInput:
type: object
properties:
enabled:
type: boolean
example: true
required:
- enabled
RemoveAppPushSubscriptionInput:
type: object
properties:
token:
type: string
description: Expo Push Token to remove
example: ExponentPushToken[xxxxxxxxxxxxxxxxxxxxxx]
required:
- token
RemoveTelegramSubscriptionResponseDto:
type: object
properties:
status:
type: string
example: success
enum:
- success
- error
message:
type: string
example: Telegram subscription removed successfully
required:
- status
- message
RemoveSlackSubscriptionInput:
type: object
properties:
identifier:
type: string
description: Slack user ID
example: U0123456789
teamId:
type: string
description: Slack team (workspace) ID
example: T0123456789
subscriptionId:
type: number
minimum: 1
description: Delete only this subscription ID; requires subscriptionVersion
subscriptionVersion:
type: string
description: Delete only this generation; requires subscriptionId
required:
- identifier
- teamId
ChatPushLinkIntentOutputDto:
type: object
properties:
token:
type: string
description: Opaque one-time token for Companion
expiresAt:
format: date-time
type: string
description: When the one-time token expires
required:
- token
- expiresAt
ChatPushLinkIntentResponseDto:
type: object
properties:
status:
type: string
enum:
- success
example: success
data:
$ref: '#/components/schemas/ChatPushLinkIntentOutputDto'
required:
- status
- data
AppPushSubscriptionResponseDto:
type: object
properties:
status:
enum:
- success
- error
type: string
example: success
data:
$ref: '#/components/schemas/AppPushSubscriptionOutputDto'
required:
- status
- data
AgentChannelsOutputDto:
type: object
properties:
slack:
type: boolean
example: true
telegram:
type: boolean
example: true
imessage:
type: boolean
example: true
required:
- slack
- telegram
- imessage
x-provenance:
method: harvested
publisher: Cal.com
source: https://cal.com/docs/api-reference/v2/openapi.json
note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
stamped by stamp-openapi-provenance.py (roadmap#793)