# Connect HelloSign to Mailopost When **New Signature Request** fires in [HelloSign](https://apiant.ai/connections/hellosign), your agent runs **Add campaign** in [Mailopost](https://apiant.ai/connections/mailopost). Describe the whole flow and it is built, tested on every scenario and kept running. HelloSign **1** trigger HelloSign **8** actions Mailopost **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 HelloSign and Mailopost 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 HelloSign can start in Mailopost - When **New Signature Request** in HelloSign then **Add campaign** in Mailopost - When **New Signature Request** in HelloSign then **Add list** in Mailopost 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 HelloSign and Mailopost ## Triggers and actions 1 trigger · 26 actions - Trigger **New Signature Request** Triggers when a new signature request appears in the account. - Action **Cancel Signature Request** Cancels an incomplete signature request. - Action **Get Account** Returns information about the current Dropbox Sign account. - Action **Get Signature Request** Retrieves a single signature request by its ID. - Action **Get Signature Request Files** Returns a download URL for the documents of a signature request as a PDF. - Action **List Signature Requests** Lists signature requests for the account, paginated and ordered newest first. - Action **List Templates** Lists the reusable templates available to the account. - Action **Send Reminder** Sends an email reminder to a signer to sign a pending signature request. - Action **Send Signature Request** Creates and sends a new signature request using document file URLs and a list of signers. - Action **Add campaign** Creates a draft email campaign addressed to recipient lists or a segment. Send it afterwards with Send campaign. - Action **Add list** Creates a new recipient list (group) in Mailopost with the given title. - Action **Add recipient** Adds a recipient (subscriber) to a Mailopost recipient list, optionally with parameter values and tags. - Action **Add template** Creates a single-send email template (in draft state) that can later be used to send personalized emails. - Action **Delete list** Deletes a recipient list (group) from your Mailopost account. - Action **Delete recipient** Deletes a recipient from a Mailopost recipient list (group). - Action **Find recipients** Finds a recipient by email address and returns every recipient group they belong to, with their recipient id in each. - Action **Get campaign** Returns a campaign's details, including its sender, content, status, recipient count, billing info and delivery statistics. - Action **Get list** Returns the id and name of a recipient list (group). - Action **Get recipient** Returns one recipient in a recipient group, including email, status, parameter values and tags. - Action **Get template** Returns a single-send email template's details: name, subject, sender, moderation state and substitution parameters. - Action **List lists** Returns the recipient lists (groups) in your Mailopost account, with each list's id and title. - Action **List recipients** Returns the recipients in a Mailopost recipient group, with their status, parameter values and tags. - Action **List templates** Returns the single-send email templates in your Mailopost account. - Action **Send campaign** Sends a previously created draft campaign to its recipients immediately and returns the campaign with its new status. - Action **Update list** Renames an existing recipient group (list) in Mailopost. - Action **Update recipient** Updates a recipient's email, parameter values and tags in a recipient list. - Action **Update template** Updates an existing single-send email template. Only the fields you fill in are changed. ## Each app on its own - [ **HelloSign** Dropbox Sign (formerly HelloSign) e-signature platform.](https://apiant.ai/connections/hellosign) - [ **Mailopost** Russian email marketing/newsletter and transactional email API service.](https://apiant.ai/connections/mailopost) Reviews ## What our customers say ## More from HelloSign - [ **HelloSign to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/hellosign-to-salesforce) - [ **HelloSign to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/hellosign-to-slack) - [ **HelloSign to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/hellosign-to-mailchimp) - [ **HelloSign to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/hellosign-to-shopify) - [ **HelloSign to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/hellosign-to-trello) - [ **HelloSign to JIRA** Atlassian JIRA Cloud — issue tracking and project management.](https://apiant.ai/connect/hellosign-to-jira) ## More into Mailopost - [ **HubSpot to Mailopost** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailopost) - [ **Salesforce to Mailopost** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailopost) - [ **Slack to Mailopost** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-mailopost) - [ **Google Sheets to Mailopost** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailopost) - [ **Gmail to Mailopost** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailopost) - [ **Google Calendar to Mailopost** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailopost) Questions ## HelloSign and Mailopost, answered ### ### What can start an automation from HelloSign? Any of HelloSign's 1 trigger in the catalog, including New Signature Request. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailopost when something happens in HelloSign? Any of Mailopost's 18 actions, including Send campaign, Update list, Update recipient and Update template. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailopost to HelloSign? Mailopost has no triggers in the catalog today, so automations start in HelloSign. If you need the other direction, ask: your agent reads Mailopost's API documentation and adds it. ### ### Do I have to build a connector for HelloSign or Mailopost? 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.