# Connect EspoCRM and PostStack

When **New contact** fires in [EspoCRM](https://apiant.ai/connections/espocrm), your agent runs **Add a contact** in [PostStack](https://apiant.ai/connections/poststack), or **Contact Updated (instant)** in PostStack to **Add contact** in EspoCRM. Describe the whole flow and it is built, tested on every scenario and kept running.

EspoCRM **3** triggers EspoCRM **16** 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 EspoCRM and PostStack to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

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 EspoCRM and PostStack can do together

### From EspoCRM to PostStack

- When **New contact** in EspoCRM then **Add a contact** in PostStack
- When **New Lead** in EspoCRM then **Add contacts to segment** in PostStack

### From PostStack to EspoCRM

- When **Contact Updated (instant)** in PostStack then **Add contact** in EspoCRM
- When **New Contact (instant)** in PostStack then **Update contact** in EspoCRM

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 EspoCRM and PostStack

## Triggers and actions 10 triggers · 47 actions

- Trigger

**New contact**

Triggers when a new contact is created in EspoCRM.

- Trigger

**New Lead**

Triggers when a new lead is created in EspoCRM.

- Trigger

**New opportunity**

Triggers when a new opportunity is created in EspoCRM.

- Action

**Add account**

Creates a new account (company) in EspoCRM and returns its attributes.

- Action

**Add case**

Creates a new case (support ticket) in EspoCRM.

- Action

**Add contact**

Creates a new contact in EspoCRM.

- Action

**Add opportunity**

Creates a new opportunity (deal) in EspoCRM and returns the created record.

- Action

**Add task**

Creates a task in EspoCRM, optionally linked to an account, contact, lead, opportunity or case.

- Action

**Create Lead**

Creates a new lead in EspoCRM and returns the created lead record.

- Action

**Find accounts**

Finds EspoCRM accounts whose name matches the text you supply.

- Action

**Find contacts**

Finds contacts whose email address (or another chosen attribute) matches the value you supply, returning every matching contact.

- Action

**Find Lead**

Finds leads in EspoCRM matching a value on a chosen attribute (email address by default).

- Action

**Get contact**

Returns a single EspoCRM contact by its ID, with all its attributes including custom fields.

- Action

**Get Lead**

Returns a single EspoCRM lead by its ID, with all of its fields.

- Action

**Get Task**

Returns one task by its ID, with its subject, status, dates, parent record and assignee.

- Action

**Update account**

Updates an existing account (company) in EspoCRM. Only the fields you fill in are changed.

- Action

**Update contact**

Updates an existing contact in EspoCRM, changing only the fields you fill in.

- Action

**Update Lead**

Updates an existing lead in EspoCRM, changing only the fields you fill in, and returns the updated lead.

- Action

**Update opportunity**

Updates an existing opportunity in EspoCRM, changing only the fields you fill in.

- 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

- [ **EspoCRM** EspoCRM is a highly customizable open source CRM software.](https://apiant.ai/connections/espocrm)
- [ **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 EspoCRM

- [ **EspoCRM to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/espocrm-to-hubspot)
- [ **EspoCRM to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/espocrm-to-salesforce)
- [ **EspoCRM to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/espocrm-to-slack)
- [ **EspoCRM to Google Sheets** Google Sheets](https://apiant.ai/connect/espocrm-to-google-sheets)
- [ **EspoCRM to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/espocrm-to-gmail)
- [ **EspoCRM to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/espocrm-to-google-calendar)

## 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](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

## EspoCRM and PostStack, answered

###

### What can start an automation from EspoCRM?

Any of EspoCRM's 3 triggers in the catalog, including New contact, New Lead and New opportunity. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in PostStack when something happens in EspoCRM?

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 EspoCRM?

Yes. When something happens in PostStack, your agent can act in EspoCRM too. This page covers both directions: PostStack's triggers and EspoCRM's actions are listed here as well.

###

### Do I have to build a connector for EspoCRM 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.
