Integration
Connect Callingly to OpenHolidays API
When Call Completed fires in Callingly, your agent runs Find Public Holidays by Date in OpenHolidays API. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Callingly and OpenHolidays API to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Callingly can start in OpenHolidays API
When Call Completed in Callingly
then Find Public Holidays by Date in OpenHolidays API
When Lead Created in Callingly
then Find School Holidays by Date in OpenHolidays API
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Callingly and OpenHolidays API
Triggers and actions 4 triggers · 19 actions
Trigger
Call CompletedTriggers when a call to a lead is made and completes in Callingly.
Trigger
Lead CreatedTriggers when a new lead is added to Callingly.
Trigger
Lead Updated or TaggedTriggers when a Callingly lead is tagged or its status, stage or result changes.
Trigger
New SMSTriggers when a text message is sent or received in Callingly.
Action
Call LeadCreates or updates a lead and immediately calls your team, connecting the first rep who answers to the lead.
Action
Delete LeadDeletes a Callingly lead.
Action
Find LeadFinds a Callingly lead by phone number and returns the first match.
Action
Get CallReturns one Callingly call by its ID, with its outcome, duration, recording and transcript.
Action
Get LeadReturns one Callingly lead by its ID, with its contact details and status.
Action
List SequencesReturns the follow-up sequences in the Callingly account.
Action
List TeamsReturns the teams in the Callingly account.
Action
List UsersReturns the users (agents) in the Callingly account.
Action
Schedule CallCreates or updates a lead and schedules a call from your team to the lead at the time you choose.
Action
Schedule SMSSchedules a text message to an existing Callingly lead for a future time.
Action
Send SMSSends a text message from one of your Callingly numbers to a lead.
Action
Update or Tag LeadUpdates a Callingly lead's details, status, stage or tags.
Action
Find Public Holidays by Datereturns public holidays from ALL countries on a given date.
Action
Find School Holidays by Datereturns school holidays from ALL countries on a given date.
Action
List Countriesreturns the list of all supported countries (isoCode + localized names).
Action
List Languagesreturns the list of all languages used in the API's localized name fields.
Action
List Public HolidaysReturns the list of public holidays for a given country and date range (countryIsoCode, validFrom, validTo, languageIsoCode).
Action
List School Holidaysreturns the list of official school holidays for a given country and date range (countryIsoCode, validFrom, validTo, languageIsoCode, subdivisionCode).
Action
List Subdivisionsreturns the list of relevant subdivisions (states/regions) for a supported country, used as the subdivisionCode param on School Holidays calls.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
Callingly and OpenHolidays API, answered
What can start an automation from Callingly?
Any of Callingly's 4 triggers in the catalog, including Call Completed, Lead Created, Lead Updated or Tagged and New SMS. Describe the moment in plain language and your agent picks the right one.
What can your agent do in OpenHolidays API when something happens in Callingly?
Any of OpenHolidays API's 7 actions, including Find Public Holidays by Date, Find School Holidays by Date, List Countries and List Languages. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from OpenHolidays API to Callingly?
OpenHolidays API has no triggers in the catalog today, so automations start in Callingly. If you need the other direction, ask: your agent reads OpenHolidays API's API documentation and adds it.
Do I have to build a connector for Callingly or OpenHolidays API?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Callingly and OpenHolidays API without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.