Cal.com

Cal.com Allow Lists API

The Allow Lists API from Cal.com — 2 operation(s) for allow lists.

Documentation GitHub OpenAPI

Operations 2

GET /v2/allowlists Get the Cal.com IP allowlists #

GET /v2/allowlists/{service} Get the Cal.com IP allowlist of one service #

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/cal-com/refs/heads/main/openapi/cal-com-allow-lists-api-openapi.yml

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.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/cal-com:cal-com-allow-lists-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.

GitHub Google LinkedIn

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 Allowlists API
  description: ''
  version: 1.0.0
  contact: {}
servers: []
tags:
- name: Allow Lists
paths:
  /v2/allowlists:
    get:
      description: Returns the IPv4 ranges Cal.com sends traffic from and receives traffic on, keyed by service. Poll this endpoint instead of hard-coding addresses, because they can change.
      operationId: AllowlistsController_getAllowlists
      parameters: []
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetAllowlistsOutput'
      summary: Get the Cal.com IP allowlists
      tags:
      - Allow Lists
      x-oauth-scopes: []
  /v2/allowlists/{service}:
    get:
      operationId: AllowlistsController_getAllowlist
      parameters:
      - name: service
        required: true
        in: path
        schema:
          type: string
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetAllowlistOutput'
      summary: Get the Cal.com IP allowlist of one service
      tags:
      - Allow Lists
      x-oauth-scopes: []
components:
  schemas:
    AllowlistServiceOutput:
      type: object
      properties:
        direction:
          enum:
          - ingress-to-cal
          - egress-from-cal
          type: string
          description: '`ingress-to-cal` are the addresses your systems connect to when they call Cal.com. `egress-from-cal` are the addresses Cal.com connects to your systems from, for example when delivering a webhook.'
          example: egress-from-cal
        ipv4:
          example:
          - 203.0.113.20/32
          - 203.0.113.21/32
          type: array
          items:
            type: string
      required:
      - direction
      - ipv4
    AllowlistMetadataOutput:
      type: object
      properties:
        schemaVersion:
          type: string
          example: v1
      required:
      - schemaVersion
    AllowlistServiceData:
      type: object
      properties:
        metadata:
          $ref: '#/components/schemas/AllowlistMetadataOutput'
        service:
          $ref: '#/components/schemas/NamedAllowlistServiceOutput'
      required:
      - metadata
      - service
    NamedAllowlistServiceOutput:
      type: object
      properties:
        direction:
          enum:
          - ingress-to-cal
          - egress-from-cal
          type: string
          description: '`ingress-to-cal` are the addresses your systems connect to when they call Cal.com. `egress-from-cal` are the addresses Cal.com connects to your systems from, for example when delivering a webhook.'
          example: egress-from-cal
        ipv4:
          example:
          - 203.0.113.20/32
          - 203.0.113.21/32
          type: array
          items:
            type: string
        name:
          type: string
          example: webhooks
      required:
      - direction
      - ipv4
      - name
    GetAllowlistOutput:
      type: object
      properties:
        status:
          enum:
          - success
          - error
          type: string
          example: success
        data:
          $ref: '#/components/schemas/AllowlistServiceData'
      required:
      - status
      - data
    GetAllowlistsOutput:
      type: object
      properties:
        status:
          enum:
          - success
          - error
          type: string
          example: success
        data:
          $ref: '#/components/schemas/AllowlistServicesData'
      required:
      - status
      - data
    AllowlistServicesData:
      type: object
      properties:
        metadata:
          $ref: '#/components/schemas/AllowlistMetadataOutput'
        services:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/AllowlistServiceOutput'
          description: Allowlists keyed by service name.
      required:
      - metadata
      - services
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)