--- title: "Connect Mailosaur and PostgreSQL - APIANT.ai" description: "When \"New message\" fires in Mailosaur, your agent runs \"Add Row\" in PostgreSQL, or \"New or Updated Row\" in PostgreSQL to \"Send email\" in Mailosaur." canonical: "https://apiant.ai/connect/mailosaur-to-postgresql" --- # Connect Mailosaur and PostgreSQL When **New message** fires in [Mailosaur](https://apiant.ai/connections/mailosaur), your agent runs **Add Row** in [PostgreSQL](https://apiant.ai/connections/postgresql), or **New or Updated Row** in PostgreSQL to **Send email** in Mailosaur. Describe the whole flow and it is built, tested on every scenario and kept running. Mailosaur **1** trigger Mailosaur **10** actions PostgreSQL **4** triggers PostgreSQL **6** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Mailosaur and PostgreSQL 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 Mailosaur and PostgreSQL can do together ### From Mailosaur to PostgreSQL - When **New message** in Mailosaur then **Add Row** in PostgreSQL - When **New message** in Mailosaur then **Update Row** in PostgreSQL ### From PostgreSQL to Mailosaur - When **New or Updated Row** in PostgreSQL then **Send email** in Mailosaur - When **New Row** in PostgreSQL then **Find messages by criteria** in Mailosaur 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 Mailosaur and PostgreSQL ## Triggers and actions 5 triggers · 16 actions - Trigger **New message** Fires when a new email/SMS arrives in a server. - Action **Add server** Create a server (inbox). - Action **Delete message** Delete a message. - Action **Delete server** Delete a server. - Action **Find messages by criteria** Search messages by sentFrom/sentTo/subject/body. - Action **Get message** Retrieve one email/SMS message. - Action **Get server** Retrieve a server. - Action **List messages** List messages in a server. - Action **List servers** List servers (inboxes). - Action **Send email** Send an email. - Action **Update server** Update a server. - Trigger **New or Updated Row** Triggers when a new row is added or modified. - Trigger **New or Updated Row (Custom Query)** Fires for each new or changed row returned by a SELECT statement you write against the connected PostgreSQL database. - Trigger **New Row** Triggers when you add a new row. - Trigger **New Table** Fires when a new table appears in the connected PostgreSQL database. - Action **Add Row** Adds a new row. - Action **Delete Row** Delete the rows in a table whose chosen column equals a value. - Action **Find Row** Finds a row in a table via a lookup column. - Action **Find Rows via Custom Query** Runs a SELECT statement you write against the connected PostgreSQL database and returns every row it matches. - Action **Find Row via Custom Query** Runs a SELECT statement you write against the connected PostgreSQL database and returns the first row it matches. - Action **Update Row** Updates an existing row. ## Each app on its own - [ **Mailosaur** Email and SMS testing API with disposable inboxes for automating OTP, MFA, and email workflow tests.](https://apiant.ai/connections/mailosaur) - [ **PostgreSQL** Connect directly to a PostgreSQL database and run SQL statements from your automations.](https://apiant.ai/connections/postgresql) Reviews ## What our customers say ## More from Mailosaur - [ **Mailosaur to Valorant (non-official)** Valorant-API is an unofficial catalog of Valorant in-game assets and metadata.](https://apiant.ai/connect/mailosaur-to-valorant-non-official) - [ **Mailosaur to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailosaur-to-salesforce) - [ **Mailosaur to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailosaur-to-slack) - [ **Mailosaur to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/mailosaur-to-stripe) - [ **Mailosaur to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/mailosaur-to-shopify) - [ **Mailosaur to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/mailosaur-to-quickbooks-online) ## More into PostgreSQL - [ **Form Io to PostgreSQL** Form-builder platform that auto-generates REST APIs for form submissions, data validation, and workflow...](https://apiant.ai/connect/form-io-to-postgresql) - [ **Google Sheets to PostgreSQL** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-postgresql) - [ **Google Calendar to PostgreSQL** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-postgresql) - [ **Google Drive to PostgreSQL** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-postgresql) - [ **Mailchimp to PostgreSQL** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-postgresql) - [ **Stripe to PostgreSQL** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/stripe-to-postgresql) Questions ## Mailosaur and PostgreSQL, answered ### ### What can start an automation from Mailosaur? Any of Mailosaur's 1 trigger in the catalog, including New message. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in PostgreSQL when something happens in Mailosaur? Any of PostgreSQL's 6 actions, including Update Row, Add Row, Find Row and Find Rows via Custom Query. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from PostgreSQL to Mailosaur? Yes. When something happens in PostgreSQL, your agent can act in Mailosaur too. This page covers both directions: PostgreSQL's triggers and Mailosaur's actions are listed here as well. ### ### Do I have to build a connector for Mailosaur or PostgreSQL? 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 Mailosaur and PostgreSQL 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.