--- title: "Connect PostStack and Zoho Books - APIANT.ai" description: "When \"Contact Updated (instant)\" fires in PostStack, your agent runs \"Add customer payment\" in Zoho Books." canonical: "https://apiant.ai/connect/poststack-to-zoho-books" --- # Connect PostStack and Zoho Books When **Contact Updated (instant)** fires in [PostStack](https://apiant.ai/connections/poststack), your agent runs **Add customer payment** in [Zoho Books](https://apiant.ai/connections/zoho-books), or **New bill** in Zoho Books to **Add a contact** in PostStack. Describe the whole flow and it is built, tested on every scenario and kept running. PostStack **7** triggers PostStack **31** actions Zoho Books **6** triggers Zoho Books **18** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want PostStack and Zoho Books 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 PostStack and Zoho Books can do together ### From PostStack to Zoho Books - When **Contact Updated (instant)** in PostStack then **Add customer payment** in Zoho Books - When **New Contact (instant)** in PostStack then **Create Customer** in Zoho Books ### From Zoho Books to PostStack - When **New bill** in Zoho Books then **Add a contact** in PostStack - When **New Customer** in Zoho Books then **Add contacts to segment** in PostStack 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 Zoho Books ## Triggers and actions 13 triggers · 49 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 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. - Trigger **New bill** Triggered when a new bill is created - Trigger **New Customer** Triggers when a new customer is created. - Trigger **New Estimate** Triggers when a new estimate is created. - Trigger **New Expense** Triggers when an expense is created. - Trigger **New Item** Triggers when a new item is created. - Trigger **New Sales Invoice** Triggers when a new sales invoice is created. - Action **Add bill** Creates a bill received from a vendor in Zoho Books. - Action **Add customer payment** Record a customer payment. - Action **Add expense** Create an expense. - Action **Create Customer** Creates a new customer contact in a Zoho Books organization. - Action **Create Estimate** Creates a new estimate. - Action **Create Item** Creates a new item. - Action **Create Sales Invoice** Creates a new sales invoice. - Action **Find customers by criteria** Returns the customers in a Zoho Books organization that match the specified criteria (name, company, contact person, address, email, phone, status or free text). - Action **Find Invoice** Returns up to 200 invoices that match the specified criteria, such as invoice number, customer, status or date range. - Action **Get Bill** Returns one vendor bill from Zoho Books, including its number, vendor, status and total. - Action **Get customer** Get a contact by id. - Action **Get Estimate** Returns one estimate (quote) from Zoho Books, including its number, customer, status and total. - Action **Get Expense** Returns one expense recorded in Zoho Books, including its amount, date and accounts. - Action **Get Item** Returns one item from your Zoho Books item list, including its name, rate and description. - Action **Get sales invoice** Retrieves the details of an existing invoice in Zoho Books. - Action **Update customer** Updates an existing customer in Zoho Books. Only the fields you fill in are changed. - Action **Update item** Update an item. - Action **Update sales invoice** Updates an existing sales invoice in Zoho Books. The line items you send replace the invoice's line items. ## Each app on its own - [ **PostStack** EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics](https://apiant.ai/connections/poststack) - [ **Zoho Books** Zoho Books is cloud-based accounting software in which you can record, audit and analyze all financial...](https://apiant.ai/connections/zoho-books) Reviews ## What our customers say ## More from PostStack - [ **PostStack to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/poststack-to-salesforce) - [ **PostStack to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/poststack-to-slack) - [ **PostStack to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/poststack-to-stripe) - [ **PostStack to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/poststack-to-shopify) - [ **PostStack to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/poststack-to-quickbooks-online) - [ **PostStack to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/poststack-to-trello) ## More into Zoho Books - [ **HubSpot to Zoho Books** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-zoho-books) - [ **Salesforce to Zoho Books** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-zoho-books) - [ **Slack to Zoho Books** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-zoho-books) - [ **Google Sheets to Zoho Books** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-zoho-books) - [ **Gmail to Zoho Books** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-zoho-books) - [ **Google Calendar to Zoho Books** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-zoho-books) Questions ## PostStack and Zoho Books, 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 Zoho Books when something happens in PostStack? Any of Zoho Books's 18 actions, including Create Customer, Create Estimate, Create Item and Create Sales Invoice. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Zoho Books to PostStack? Yes. When something happens in Zoho Books, your agent can act in PostStack too. This page covers both directions: Zoho Books's triggers and PostStack's actions are listed here as well. ### ### Do I have to build a connector for PostStack or Zoho Books? 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 PostStack and Zoho Books 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.