--- title: "Connect Vouchery.io to Lettr - APIANT.ai" description: "When \"New Voucher\" fires in Vouchery.io, your agent runs \"Add contact\" in Lettr." canonical: "https://apiant.ai/connect/vouchery-io-to-lettr" --- # Connect Vouchery.io to Lettr When **New Voucher** fires in [Vouchery.io](https://apiant.ai/connections/vouchery-io), your agent runs **Add contact** in [Lettr](https://apiant.ai/connections/lettr). Describe the whole flow and it is built, tested on every scenario and kept running. Vouchery.io **1** trigger Vouchery.io **14** actions Lettr **11** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Vouchery.io and Lettr 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 Vouchery.io can start in Lettr - When **New Voucher** in Vouchery.io then **Add contact** in Lettr - When **New Voucher** in Vouchery.io then **Add contact to list** in Lettr 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 Vouchery.io and Lettr ## Triggers and actions 1 trigger · 25 actions - Trigger **New Voucher** Triggers when a new voucher is created in the selected Vouchery campaign. - Action **Add campaign** Creates a promo campaign in Vouchery — either a main campaign or a sub campaign under an existing main campaign — and returns the new campaign. - Action **Assign vouchers to customer** Assigns one or more voucher codes to a customer and returns the customer's updated record. - Action **Cancel redemption** Cancels a redemption by its redemption ID, marking it as cancelled. - Action **Confirm redemption** Confirms a redemption so it counts toward the campaign's budget and total redemptions. Returns the confirmed redemption. - Action **Create Customer** Creates a customer in Vouchery with their unique identifier, contact details, segment categories and metadata. - Action **Create Redemption** Redeems a voucher code for a purchase, recording the order total or line items and returning the redemption with the discount and rewards granted. - Action **Delete customer** Deletes a customer from your Vouchery project by their identifier. - Action **Find Voucher** Finds a voucher by its code and returns its status, campaign, customer and redemption details. - Action **Get campaign** Returns a single Vouchery campaign by its ID, including its rules, rewards, budget and voucher statistics. - Action **Get customer** Returns a single customer by their identifier, including profile details, segments, loyalty points and voucher/redemption statistics. - Action **Get redemption** Returns a single redemption by its ID, including its voucher, campaign, customer, confirmation status and granted rewards. - Action **List campaigns** Returns the campaigns in your Vouchery project, optionally filtered by name, team, status, template or loyalty program. - Action **List customers** Returns the customers in your Vouchery project, optionally filtered by identifier or email. - Action **Update customer** Updates an existing customer's name, email, referral code, birthdate, segments or metadata. Only the values you provide are changed. - Action **Add audience list** Creates a new audience list in Lettr with the given name and returns the created list. - Action **Add contact** Adds a new contact to your Lettr audience, optionally placing it on a list, setting custom properties, and sending a double opt-in confirmation email. - Action **Add contact to list** Adds an existing contact to one of your audience lists. Succeeds whether the contact was newly added or was already on the list. - Action **Add template** Creates a new email template in Lettr from HTML or Topol editor JSON content, and publishes its first version with the merge tags found in the content. - Action **Delete contact** Permanently deletes a contact from your Lettr audience. - Action **Get contact** Returns a single audience contact, including its subscription status, custom properties, lists and topics. - Action **Get template** Returns a single email template by its slug, including its HTML, editor content, purpose, status and version details. - Action **List audience lists** Returns all audience lists in your Lettr team, with each list's name and contact count. - Action **List contacts** Returns the contacts in your Lettr audience, optionally narrowed by a search term, subscription status, list or segment. - Action **List templates** Returns the email templates in a Lettr project, optionally limited to one folder or to transactional or campaign templates. - Action **Update contact** Updates an existing contact in your Lettr audience, changing its email address, subscription status or custom properties. Fields left blank are not changed. ## Each app on its own - [ **Vouchery.io** Vouchery is an all-in-one promotional suite to help you orchestrate & deliver the right incentive at every...](https://apiant.ai/connections/vouchery-io) - [ **Lettr** Lettr is a email API for artisans, send transactional emails using HTML or stored templates.](https://apiant.ai/connections/lettr) Reviews ## What our customers say ## More from Vouchery.io - [ **Vouchery.io to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/vouchery-io-to-zoom) - [ **Vouchery.io to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/vouchery-io-to-webflow) - [ **Vouchery.io to Wix** The Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...](https://apiant.ai/connect/vouchery-io-to-wix) - [ **Vouchery.io to LinkedIn** LinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...](https://apiant.ai/connect/vouchery-io-to-linkedin) - [ **Vouchery.io to Facebook** Facebook is a social media and advertising platform used by individuals and businesses to connect, share...](https://apiant.ai/connect/vouchery-io-to-facebook) - [ **Vouchery.io to Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connect/vouchery-io-to-anthropic) ## More into Lettr - [ **HubSpot to Lettr** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-lettr) - [ **Salesforce to Lettr** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-lettr) - [ **Slack to Lettr** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-lettr) - [ **Google Sheets to Lettr** Google Sheets](https://apiant.ai/connect/google-sheets-to-lettr) - [ **Gmail to Lettr** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-lettr) - [ **Google Calendar to Lettr** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-lettr) Questions ## Vouchery.io and Lettr, answered ### ### What can start an automation from Vouchery.io? Any of Vouchery.io's 1 trigger in the catalog, including New Voucher. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Lettr when something happens in Vouchery.io? Any of Lettr's 11 actions, including Update contact, Add audience list, Add contact and Add contact to list. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Lettr to Vouchery.io? Lettr has no triggers in the catalog today, so automations start in Vouchery.io. If you need the other direction, ask: your agent reads Lettr's API documentation and adds it. ### ### Do I have to build a connector for Vouchery.io or Lettr? 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 Vouchery.io and Lettr 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.