Build solutions, not workarounds.
What do you want Vapi and Smtp2Go 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 Vapi can start in Smtp2Go
When New Assistant in Vapi
then Add email in Smtp2Go
When New Call in Vapi
then Add single sender email in Smtp2Go
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 Vapi and Smtp2Go
Triggers and actions 3 triggers · 43 actions
Trigger
New AssistantTriggers when a new assistant is created in your Vapi organization.
Trigger
New CallTriggers when a new call is created in Vapi, optionally limited to one assistant or phone number.
Trigger
New FileTriggers when a new file is uploaded to your Vapi account.
Action
Add assistantCreates a new Vapi voice assistant with its model, voice, transcriber, first message and call behavior.
Action
Add phone numberAdds a phone number to Vapi: a free Vapi number, or one you bring from Twilio, Vonage, Telnyx or your own SIP trunk. Returns the new phone number record.
Action
Add squadCreates a squad: a group of assistants that hand a call off to one another, starting with the first member.
Action
Add toolCreates a tool in Vapi (for example a function, end-call, transfer-call or API-request tool) that assistants can use during calls.
Action
Create CallStarts a Vapi call (or a batch of outbound calls) using a saved or one-off assistant, squad or workflow, and returns the created call.
Action
Create ChatSends a message to a Vapi assistant or squad as a text chat and returns the chat, including the assistant's reply messages.
Action
Delete assistantDeletes an assistant from your Vapi account and returns the deleted assistant.
Action
Delete Call DataDeletes a call and its data, including recordings, and returns the deleted call.
Action
Delete ChatDeletes a chat from your Vapi account and returns the deleted chat's details.
Action
Delete FileDeletes a file from your Vapi account.
Action
Find CallFinds calls matching a call id, assistant, phone number, or created/updated date range. Returns up to 1000 matching calls.
Action
Get assistantReturns a Vapi assistant's full configuration, including its model, voice, transcriber and first message.
Action
Get fileReturns a file uploaded to Vapi, including its name, size, type, processing status and download URL.
Action
List assistantsReturns the voice assistants in your Vapi account, optionally filtered by when they were created or last updated.
Action
List chatsReturns the chats in your Vapi account, optionally filtered by assistant, squad, session or creation/update date.
Action
List filesReturns the files uploaded to your Vapi account, optionally filtered by purpose.
Action
List phone numbersReturns the phone numbers in your Vapi account, optionally filtered by when they were created or updated.
Action
List toolsReturns the tools configured in your Vapi account, optionally filtered by when they were created or updated.
Action
Update CallUpdates the name of an existing Vapi call.
Action
Update phone numberUpdates a Vapi phone number's name, the assistant, squad or workflow that answers it, and its provider settings.
Action
Upload FileUploads a file to Vapi, for use by assistants or knowledge bases, and returns the stored file record.
Action
Add emailSends an email through SMTP2GO, either with your own subject and body or from a saved template, optionally scheduled for later delivery.
Action
Add sender domainAdds a sender domain to your SMTP2GO account and returns the DNS records needed to verify it.
Action
Add single sender emailAdd a single verified sender email address.
Action
Add SMTP userAdds a new SMTP user to your SMTP2GO account, with its password, rate limit, tracking, archiving, feedback footer and bounce settings.
Action
Add suppressionSuppresses an email address or a whole domain so SMTP2GO no longer delivers to it.
Action
Add templateCreates an email template with a subject, HTML and plain-text content, and optional variables and tags.
Action
Delete scheduled emailCancels an email that was scheduled to be sent later, using its schedule ID.
Action
Delete sender domainRemove a sender domain.
Action
Delete single sender emailRemoves a single sender email address from your SMTP2GO account (or a subaccount).
Action
Delete SMTP userRemove an SMTP user.
Action
Delete suppressionRemoves the suppression on an email address or domain so SMTP2GO will deliver to it again.
Action
Delete templateRemove an email template.
Action
Find scheduled emailsReturns emails that are scheduled to send later, optionally narrowed by schedule ID, subject, recipient or sender.
Action
Get templateView details of a specific email template.
Action
List emailsLists sent emails (up to 5,000) matching the supplied date range and filters.
Action
List sender domainsReturns the sender domains on the SMTP2GO account, with their DNS verification details and tracking subdomains.
Action
List single sender emailsLists the single sender email addresses on the SMTP2GO account with their verification status, optionally narrowed to one address.
Action
List SMTP usersView SMTP users.
Action
List subaccountsLists the subaccounts on the SMTP2GO account, optionally narrowed by search terms and state.
Action
List suppressionsView suppressed email addresses.
Action
List templatesLists the email templates in your SMTP2GO account, optionally narrowed by search terms or tags.
Action
Update templateChanges the details of an existing SMTP2GO email template. Only the values you fill in are changed.
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
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Questions
Vapi and Smtp2Go, answered
What can start an automation from Vapi?
Any of Vapi's 3 triggers in the catalog, including New Assistant, New Call and New File. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Smtp2Go when something happens in Vapi?
Any of Smtp2Go's 22 actions, including Update template, Add email, Add sender domain and Add single sender email. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Smtp2Go to Vapi?
Smtp2Go has no triggers in the catalog today, so automations start in Vapi. If you need the other direction, ask: your agent reads Smtp2Go's API documentation and adds it.
Do I have to build a connector for Vapi or Smtp2Go?
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 Vapi and Smtp2Go 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.