Integration
Connect Call Loop 2.0 and Castos
When Contact Added to List fires in Call Loop 2.0, your agent runs Find Private Subscriber by Email in Castos, or New Episode in Castos to Add Contact to List in Call Loop 2.0. 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 Call Loop 2.0 and Castos 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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
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 Call Loop 2.0 and Castos can do together
From Call Loop 2.0 to Castos
When Contact Added to List in Call Loop 2.0
then Find Private Subscriber by Email in Castos
When Contact Created or Updated in Call Loop 2.0
then Create Episode in Castos
From Castos to Call Loop 2.0
When New Episode in Castos
then Add Contact to List in Call Loop 2.0
When New Podcast in Castos
then Create (Update) Contact in Call Loop 2.0
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 Call Loop 2.0 and Castos
Triggers and actions 6 triggers · 34 actions
Trigger
Contact Added to ListTriggers when a contact is added to the selected Call Loop list.
Trigger
Contact Created or UpdatedTriggers when a contact is created or updated in Call Loop.
Trigger
Contact UnsubscribedTriggers when a contact unsubscribes from SMS messages, either as a hard or a soft unsubscribe.
Action
Add Contact to ListAdds one or more contacts to one or more Call Loop lists and returns Call Loop's confirmation message.
Action
Add listCreates a new contact list in Call Loop and returns the created list.
Action
Create (Update) ContactCreates a contact, or updates the existing contact with the same phone number, and returns the saved contact.
Action
Delete contactPermanently deletes one or more contacts by ID and returns a confirmation with the number deleted.
Action
Find contacts by search termReturns the Call Loop contacts that match a search term, optionally narrowed by status and subscription state.
Action
Get contactReturns one Call Loop contact by its ID, including its status, subscription state, lists, custom field values and messaging activity. An error occurs if the contact is not found.
Action
Get messageReturns a message's current delivery status and details, looked up by its ID or state UUID. An error occurs if the message is not found.
Action
List contactsReturns the contacts in your Call Loop organization, optionally filtered by status, search text or subscription state. Deleted contacts are not included.
Action
List listsReturns the contact lists in your Call Loop organization, with each list's name, creation date, web forms, keywords and contact counts.
Action
Remove Contact From ListRemoves one or more contacts from the chosen Call Loop lists, either by contact ID or by an audience filter. Returns Call Loop's confirmation message.
Action
Send Ringless VoicemailQueues a ringless voicemail drop to a phone number using an audio file already in your Call Loop account. Returns the queued message and its delivery state.
Action
Send SMS / MMS MessageQueues one SMS or MMS message to a phone number from a number on your Call Loop account, and returns the queued message with its status.
Action
Send Voice BroadcastQueues one outbound voice call to a phone number, playing an uploaded audio file on live answer, as a voicemail, or both. Returns the queued message and its status.
Action
Update contactUpdates an existing Call Loop contact by ID, changing only the fields you fill in, and returns the saved contact.
Action
Update listRenames an existing contact list and returns the updated list.
Action
Update Opt-In StatusSets whether one contact is subscribed to text messages and to calls and ringless voicemail. No message is sent.
Trigger
New EpisodeTriggers when a new episode is added to a Castos podcast.
Trigger
New PodcastTriggers when a new podcast is created in your Castos account.
Trigger
New Private SubscriberTriggers when a new private subscriber is added to a Castos private podcast.
Action
Create EpisodeCreates an episode on a Castos podcast, uploading its audio from a URL.
Action
Create PodcastCreates a podcast in Castos and returns its ID.
Action
Create Private SubscriberAdds a private subscriber to a Castos private podcast, giving them their own private feed.
Action
Delete EpisodeDeletes an episode from a Castos podcast.
Action
Delete PodcastDeletes a Castos podcast.
Action
Delete Private SubscriptionDeletes a private subscriber's subscription record from a Castos private podcast.
Action
Find Private Subscriber by EmailFinds a Castos private subscriber by email and returns their subscriptions to your private podcasts.
Action
Get EpisodeReturns one episode of a Castos podcast, with its title, show notes, publish date and audio file.
Action
Get PodcastReturns one Castos podcast by its ID, including its title, description, RSS URL and author.
Action
Get Private SubscriberReturns a Castos private subscriber by ID, with their subscriptions to your private podcasts.
Action
List EpisodesReturns the episodes of one Castos podcast.
Action
List Podcast CategoriesReturns the podcast category names Castos accepts, such as "Business: Marketing".
Action
List PodcastsReturns every podcast in the Castos account with its ID, title, type and whether its feed is protected.
Action
List Private SubscribersReturns the private subscribers of a Castos private podcast, with each one's email, feed URL and status.
Action
Reactivate Private SubscriberReactivates a canceled private subscriber's access to a Castos private podcast, by their email.
Action
Revoke Private SubscriberCancels a private subscriber's subscription to a Castos private podcast, cutting off their private feed.
Action
Update EpisodeUpdates a Castos episode's details; only the fields you supply change.
Action
Update PodcastUpdates a Castos podcast's details; only the fields you supply change.
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
Call Loop 2.0 and Castos, answered
What can start an automation from Call Loop 2.0?
Any of Call Loop 2.0's 3 triggers in the catalog, including Contact Added to List, Contact Created or Updated and Contact Unsubscribed. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Castos when something happens in Call Loop 2.0?
Any of Castos's 18 actions, including Create Episode, Create Podcast, Create Private Subscriber and Update Episode. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Castos to Call Loop 2.0?
Yes. When something happens in Castos, your agent can act in Call Loop 2.0 too. This page covers both directions: Castos's triggers and Call Loop 2.0's actions are listed here as well.
Do I have to build a connector for Call Loop 2.0 or Castos?
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 Call Loop 2.0 and Castos 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.