Build solutions, not workarounds.
What do you want PostStack and Hamsa to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny 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 PostStack can start in Hamsa
When Contact Updated (instant) in PostStack
then Add knowledge base item in Hamsa
When New Contact (instant) in PostStack
then Add phone number in Hamsa
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 PostStack and Hamsa
Triggers and actions 7 triggers · 52 actions
Trigger
Contact Deleted (instant)Fires when a contact is deleted (event: contact.deleted).
Trigger
Contact Updated (instant)Fires when a contact is updated (event: contact.updated).
Trigger
Email Bounced (instant)Fires when an email bounces (event: email.bounced).
Trigger
Email Delivered (instant)Fires when an email is delivered (event: email.delivered).
Trigger
New Contact (instant)Fires when a contact is created (event: contact.created).
Trigger
New Inbound EmailPolls for newly received inbound emails.
Trigger
New Sent Email (instant)Fires when an email is sent (event: email.sent).
Action
Add a broadcastCreate a new marketing broadcast.
Action
Add a contactCreate a new contact.
Action
Add a segmentCreate a new manual contact segment.
Action
Add a templateCreate a new email template.
Action
Add contacts to segmentAdd contacts to an existing segment.
Action
Add suppressionAdd an address to the suppression list.
Action
Cancel broadcastCancel an in-flight broadcast.
Action
Cancel emailCancel a scheduled or queued email before it sends.
Action
Delete a contactDelete a contact.
Action
Delete a templateDelete an email template.
Action
Get a contactFetch one contact by ID.
Action
Get a templateFetch one email template by ID.
Action
Get broadcastRetrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits.
Action
Get emailFetch one sent or queued email by ID.
Action
Get email eventsGet the delivery event timeline for one email.
Action
Get inbound emailFetch one received inbound email by ID.
Action
Import contactsBulk-import a CSV list of contacts.
Action
List broadcastsList marketing broadcasts.
Action
List contactsList contacts in the account.
Action
List emailsList sent, queued, and scheduled emails.
Action
List inbound emailsList emails received via inbound parsing.
Action
List segmentsList contact segments.
Action
List suppressed addressesList addresses on the suppression list.
Action
List templatesList email templates.
Action
Send an emailSend a transactional email through PostStack.
Action
Send broadcastStart sending a broadcast to its recipients.
Action
Send emails in batchSend up to 100 emails in a single request.
Action
Update a contactUpdate an existing contact's fields.
Action
Update a templateUpdate an email template, creating a new version.
Action
Update emailReschedule a queued email's send time.
Action
Validate email addressCheck whether an email address is valid and deliverable.
Action
Add knowledge base itemCreate a new knowledge base item for a voice agent.
Action
Add phone numberAdd a phone number for a user.
Action
Add transcription jobCreate a new asynchronous job (e.g. transcription).
Action
Add TTS voiceCreate a new text-to-speech voice.
Action
Add voice agentCreate a new AI voice agent.
Action
Assign phone numberAssign a phone number to a voice agent.
Action
Delete knowledge base itemDelete a knowledge base item by ID.
Action
Delete phone numberDelete a phone number.
Action
Delete TTS voiceDelete a text-to-speech voice by ID.
Action
Get campaignGet a campaign by ID.
Action
Get conversationGet a call conversation record by ID.
Action
Get jobGet a single job's details by ID.
Action
Get voice agentRetrieve a specific voice agent by ID.
Action
Initiate voice agent callInitiate an outbound call with a voice agent via Twilio.
Action
List jobsList jobs.
Action
List knowledge base itemsReturn a list of knowledge base items.
Action
List phone numbersReturn a list of phone numbers for a user.
Action
List TTS voicesRetrieve the list of available TTS voices.
Action
List voice agentsRetrieve a list of the account's voice agents.
Action
Transcribe audioGenerate a speech-to-text transcription from audio (not streamed).
Action
Update voice agentUpdate an existing voice agent's configuration.
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
PostStack and Hamsa, answered
What can start an automation from PostStack?
Any of PostStack's 7 triggers in the catalog, including Contact Updated (instant), New Contact (instant), New Inbound Email and New Sent Email (instant). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Hamsa when something happens in PostStack?
Any of Hamsa's 21 actions, including Update voice agent, Add knowledge base item, Add phone number and Add transcription job. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Hamsa to PostStack?
Hamsa has no triggers in the catalog today, so automations start in PostStack. If you need the other direction, ask: your agent reads Hamsa's API documentation and adds it.
Do I have to build a connector for PostStack or Hamsa?
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.
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.