--- title: "Connect Docupilot and PostStack - APIANT.ai" description: "When \"Envelope Completed\" fires in Docupilot, your agent runs \"Add a contact\" in PostStack." canonical: "https://apiant.ai/connect/docupilot-to-poststack" --- # Connect Docupilot and PostStack When **Envelope Completed** fires in [Docupilot](https://apiant.ai/connections/docupilot), your agent runs **Add a contact** in [PostStack](https://apiant.ai/connections/poststack), or **Contact Updated (instant)** in PostStack to **Create Envelope** in Docupilot. Describe the whole flow and it is built, tested on every scenario and kept running. Docupilot **2** triggers Docupilot **34** actions PostStack **7** triggers PostStack **31** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Docupilot and PostStack to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) Example flows ## What Docupilot and PostStack can do together ### From Docupilot to PostStack - When **Envelope Completed** in Docupilot then **Add a contact** in PostStack - When **New Envelope** in Docupilot then **Add contacts to segment** in PostStack ### From PostStack to Docupilot - When **Contact Updated (instant)** in PostStack then **Create Envelope** in Docupilot - When **New Contact (instant)** in PostStack then **Create Envelope Recipient** in Docupilot 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 Docupilot and PostStack ## Triggers and actions 9 triggers · 65 actions - Trigger **Envelope Completed** Triggers when all recipients finish signing an envelope. - Trigger **New Envelope** Triggers when a new e-signature envelope is created. - Action **Cancel Envelope** Cancel an in-progress e-signature envelope. - Action **Convert Document** Convert a document to another format. - Action **Copy Template** Duplicate a template including its preferences and deliveries. - Action **Create Envelope** Create a new e-signature envelope. - Action **Create Envelope Recipient** Add a recipient to an e-signature envelope. - Action **Create Folder** Create a new folder. - Action **Create Template** Create a new document template. - Action **Create Template Delivery** Configure a new delivery on a template. - Action **Create Template Merge Link** Create a shareable link that generates a document from a template. - Action **Delete Folder** Delete a folder. - Action **Delete Template** Move a template to the trash. - Action **Get Bulk Generation Task** Retrieve a single bulk document-generation task. - Action **Get Envelope Details** Retrieve the details of an e-signature envelope. - Action **Get Envelope Responses** Retrieve the consolidated field responses for an envelope. - Action **Get Envelope Signing Link** Retrieve the signing link for an envelope. - Action **Get Template** Retrieve a single template by its id. - Action **Get Template Schema** Retrieve a template's merge-field schema. - Action **List Bulk Generation Tasks** List bulk document-generation tasks for a template. - Action **List Document History** List previously generated documents. - Action **List Envelope Recipients** List the recipients of an e-signature envelope. - Action **List Envelopes** List e-signature envelopes. - Action **List Folders** List the folders in the Docupilot account. - Action **List Template Deliveries** List the deliveries configured on a template. - Action **List Templates** List the templates in the Docupilot account. - Action **Merge Documents** Append and merge multiple documents into one. - Action **Place Signature Fields** Place the signature/input fields on an envelope's document. Required before Send Envelope: Docupilot rejects sending unless EVERY recipient has at least one field. Replaces the document's whole field set. - Action **Retry Document Delivery** Retry a failed document delivery. - Action **Send Envelope** Send an e-signature envelope to its recipients. - Action **Send Envelope Reminder** Send a signing reminder to an envelope's signers. - Action **Transform PDF** Apply a transformation to a PDF document. - Action **Trigger Bulk Generation** Start a prepared bulk document-generation task. - Action **Update Folder** Update a folder's details. - Action **Update Template** Update an existing template's settings. - Action **Upload CSV for Bulk Generation** Upload a CSV to start a bulk document-generation task for a template. - 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 Email** Polls for newly received inbound emails. - Trigger **New Sent Email (instant)** Fires when an email is sent (event: email.sent). - Action **Add a broadcast** Create a new marketing broadcast. - Action **Add a contact** Create a new contact. - Action **Add a segment** Create a new manual contact segment. - Action **Add a template** Create a new email template. - Action **Add contacts to segment** Add contacts to an existing segment. - Action **Add suppression** Add an address to the suppression list. - Action **Cancel broadcast** Cancel an in-flight broadcast. - Action **Cancel email** Cancel a scheduled or queued email before it sends. - Action **Delete a contact** Delete a contact. - Action **Delete a template** Delete an email template. - Action **Get a contact** Fetch one contact by ID. - Action **Get a template** Fetch one email template by ID. - Action **Get broadcast** Retrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits. - Action **Get email** Fetch one sent or queued email by ID. - Action **Get email events** Get the delivery event timeline for one email. - Action **Get inbound email** Fetch one received inbound email by ID. - Action **Import contacts** Bulk-import a CSV list of contacts. - Action **List broadcasts** List marketing broadcasts. - Action **List contacts** List contacts in the account. - Action **List emails** List sent, queued, and scheduled emails. - Action **List inbound emails** List emails received via inbound parsing. - Action **List segments** List contact segments. - Action **List suppressed addresses** List addresses on the suppression list. - Action **List templates** List email templates. - Action **Send an email** Send a transactional email through PostStack. - Action **Send broadcast** Start sending a broadcast to its recipients. - Action **Send emails in batch** Send up to 100 emails in a single request. - Action **Update a contact** Update an existing contact's fields. - Action **Update a template** Update an email template, creating a new version. - Action **Update email** Reschedule a queued email's send time. - Action **Validate email address** Check whether an email address is valid and deliverable. ## Each app on its own - [ **Docupilot** Docupilot is a document automation tool to generate PDFs, DOCX files, contracts, invoices and more with data...](https://apiant.ai/connections/docupilot) - [ **PostStack** EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics](https://apiant.ai/connections/poststack) Reviews ## What our customers say ## More from Docupilot - [ **Docupilot to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/docupilot-to-hubspot) - [ **Docupilot to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/docupilot-to-salesforce) - [ **Docupilot to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/docupilot-to-gmail) - [ **Docupilot to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/docupilot-to-google-calendar) - [ **Docupilot to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/docupilot-to-stripe) - [ **Docupilot to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/docupilot-to-shopify) ## More into PostStack - [ **HubSpot to PostStack** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-poststack) - [ **Google Sheets to PostStack** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-poststack) - [ **Gmail to PostStack** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-poststack) - [ **Google Calendar to PostStack** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-poststack) - [ **Google Drive to PostStack** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-poststack) - [ **Mailchimp to PostStack** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-poststack) Questions ## Docupilot and PostStack, answered ### ### What can start an automation from Docupilot? Any of Docupilot's 2 triggers in the catalog, including Envelope Completed and New Envelope. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in PostStack when something happens in Docupilot? 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 Docupilot? Yes. When something happens in PostStack, your agent can act in Docupilot too. This page covers both directions: PostStack's triggers and Docupilot's actions are listed here as well. ### ### Do I have to build a connector for Docupilot 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. ### ### Can my AI client use Docupilot and PostStack 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.