Integration
Connect EasyPost and PostStack
When New tracker update fires in EasyPost, your agent runs Add a contact in PostStack, or Contact Updated (instant) in PostStack to Add address in EasyPost. 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 EasyPost and PostStack 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 EasyPost and PostStack can do together
From EasyPost to PostStack
When New tracker update in EasyPost
then Add a contact in PostStack
When New tracker update in EasyPost
then Add contacts to segment in PostStack
From PostStack to EasyPost
When Contact Updated (instant) in PostStack
then Add address in EasyPost
When New Contact (instant) in PostStack
then Add batch in EasyPost
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 EasyPost and PostStack
Triggers and actions 8 triggers · 42 actions
Trigger
New tracker updateTriggers when EasyPost reports a tracker was created or updated, such as a new scan or status change on a package.
Action
Add addressCreates an address (a person, place or organization) in EasyPost, optionally verifying it for deliverability. Returns the saved address with any verification results.
Action
Add batchCreates a batch of shipments in EasyPost, so they can be bought, labelled, manifested or picked up together. A batch can also be created empty and shipments added later.
Action
Add pickupCreates a pickup request for a purchased shipment and returns the available pickup rates, which must then be bought to schedule the pickup.
Action
Add refundRequests refunds for one or more purchased shipping labels by carrier and tracking code, and returns the resulting refund records.
Action
Add shipmentCreates a shipment from a destination address, an origin address and a parcel, and returns the shipment with its available shipping rates.
Action
Add trackerCreates a tracker for a package tracking code (for labels bought outside EasyPost) and returns its current tracking status and history.
Action
Buy shipmentPurchases a shipping label for an existing shipment using the selected rate, returning the tracking code and postage label.
Action
Get addressReturns an address saved in EasyPost by its ID, including its verification results.
Action
Get batchReturns a batch of shipments, including its state, shipment statuses, consolidated label and scan form.
Action
Get pickupReturns a scheduled carrier pickup, including its status, confirmation number, address and available pickup rates.
Action
Get shipmentReturns a shipment, including its addresses, parcel, rates, label and tracking details.
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.
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
EasyPost and PostStack, answered
What can start an automation from EasyPost?
Any of EasyPost's 1 trigger in the catalog, including New tracker update. Describe the moment in plain language and your agent picks the right one.
What can your agent do in PostStack when something happens in EasyPost?
Any of PostStack's 31 actions, including Send an email, Send broadcast, Send emails in batch and Update a contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from PostStack to EasyPost?
Yes. When something happens in PostStack, your agent can act in EasyPost too. This page covers both directions: PostStack's triggers and EasyPost's actions are listed here as well.
Do I have to build a connector for EasyPost or PostStack?
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.