Integration
Connect Lettr to Spektrix
When New email event fires in Lettr, your agent runs Basket: Add a Customer in Spektrix. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Lettr and Spektrix to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne 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.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)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)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)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
Setup guide (opens in a new tab)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)Example flows
What Lettr can start in Spektrix
When New email event in Lettr
then Basket: Add a Customer in Spektrix
When New email event in Lettr
then Basket: Add a Ticket Delivery Method in Spektrix
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 Lettr and Spektrix
Triggers and actions 1 trigger · 45 actions
Trigger
New email eventTriggers instantly when Lettr reports an email event, such as a delivery, bounce, open, click, spam complaint or unsubscribe.
Action
Add audience listCreates a new audience list in Lettr with the given name and returns the created list.
Action
Add contactAdds 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 listAdds an existing contact to one of your audience lists. Succeeds whether the contact was newly added or was already on the list.
Action
Add templateCreates 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
Create campaignCreates a draft email campaign in Lettr with its subject, sender, content and audience, ready to send or schedule.
Action
Delete contactPermanently deletes a contact from your Lettr audience.
Action
Get campaignReturns one Lettr campaign with its settings, audience, status and delivery stats.
Action
Get contactReturns a single audience contact, including its subscription status, custom properties, lists and topics.
Action
Get emailReturns a sent email's details — sender, subject, recipients, delivery state — and all of its delivery, bounce, open and click events.
Action
Get templateReturns a single email template by its slug, including its HTML, editor content, purpose, status and version details.
Action
List audience listsReturns all audience lists in your Lettr team, with each list's name and contact count.
Action
List campaignsReturns the email campaigns in your Lettr account, optionally only those with a given status.
Action
List contactsReturns the contacts in your Lettr audience, optionally narrowed by a search term, subscription status, list or segment.
Action
List domainsReturns every sending domain registered in your Lettr account, with its approval status, whether it can send, and its DNS verification state.
Action
List emailsReturns emails sent from your Lettr account in the last few days, optionally filtered by recipient address and date range.
Action
List templatesReturns the email templates in a Lettr project, optionally limited to one folder or to transactional or campaign templates.
Action
Schedule campaignSchedules a Lettr campaign to send at a future time, or moves an already scheduled campaign to a new time.
Action
Schedule emailSchedules a transactional email for delivery at a future time (at least 5 minutes ahead and within 30 days), using your own content or a saved template.
Action
Send campaignSends a draft Lettr campaign to its audience right away. The campaign needs a subject, a sender on a verified domain, and content.
Action
Send EmailSends a transactional email through Lettr to one or more recipients, using your own HTML/text content or a saved template.
Action
Send Email TemplateSends an email using one of your saved Lettr templates, filling its merge variables with the values you provide. Returns the send's request ID and how many recipients were accepted.
Action
Unschedule campaignCancels a scheduled Lettr campaign send and returns the campaign to draft.
Action
Update contactUpdates an existing contact in your Lettr audience, changing its email address, subscription status or custom properties. Fields left blank are not changed.
Action
Basket: Add a CustomerAttaches a customer to an existing basket, optionally applying a promo code at the same time. Returns the updated basket.
Action
Basket: Add a DonationAdds a donation to a fund in an existing Spektrix basket and returns the donations added.
Action
Basket: Add a Merchandise Delivery MethodSets the merchandise delivery method (and optional delivery address) on a Spektrix basket and returns the updated basket.
Action
Basket: Add a Ticket Delivery MethodSets how the tickets in a basket will be delivered (post, collect at box office, print at home or agent), with an optional postal address.
Action
Basket: Add Membership(s)Adds a membership to an existing Spektrix basket and returns the membership items now in the basket.
Action
Basket: Add Merchandise Item(s)Adds one or more merchandise items to a Spektrix basket and returns the items now in it.
Action
Basket: Add Payment TypeAdds a custom payment of a chosen payment type and amount to a basket, returning the basket's custom payments.
Action
Basket: Add Ticket(s) (Best Available)Adds the best available seats for an event instance with a reserved seating plan to a basket, and returns the tickets added.
Action
Basket: Add Ticket Subscription(s)Adds a ticket subscription (at a chosen pricing set and quantity) to a Spektrix basket.
Action
Basket: Add Ticket(s) (Unreserved Seating Plan)Adds one or more tickets for an unreserved (general admission) area of an event instance to a basket.
Action
Basket: Confirm a BasketConfirms a basket, turning it into a completed order. For system owners this only works for zero-value orders.
Action
Basket: Create a New BasketCreates a new, empty Spektrix basket, optionally attaching a customer, promo code and delivery methods. Returns the basket and its id for use in later basket steps.
Action
Basket: Override a Ticket PriceOverrides the price of a specific ticket in a Spektrix basket and returns the updated ticket.
Action
Customer: Add Tag(s)Adds a tag to a Spektrix customer's record.
Action
Customer: Create a New CustomerCreates a new customer record in Spektrix and returns the created customer.
Action
Customer: Find by Email AddressFinds a Spektrix customer record by its email address and returns the customer's details, including custom attributes.
Action
Customer: Find by Spektrix Customer IDReturns a Spektrix customer record by its Spektrix customer ID.
Action
Customer: Remove a TagRemoves a specific tag from a Spektrix customer's record.
Action
Customer: Update Attribute(s)Updates one or more custom attributes on an existing Spektrix customer record.
Action
Customer: Update Information (Including Attributes)Updates a Spektrix customer's contact details (name, email, phone, title, birth date, Gift Aid) and any custom attributes. Only the fields you fill in are changed.
Action
Event: Find by NameFinds events whose name matches the one you give, optionally narrowed by performance dates, sales channel and on-sale status.
Action
Instance: Find by EventReturns the performances (instances) of a Spektrix event, optionally limited to a date range and sales channel.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
More from Lettr
Lettr to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Lettr to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Lettr to MailchimpMailchimp marketing automation and email platform.
Lettr to StripeStripe is a payment processing platform for online businesses.
Lettr to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
Lettr to QuickBooks OnlineQuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...
More into Spektrix
HubSpot to SpektrixHubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to SpektrixSalesforce is a leading enterprise customer relationship management (CRM) platform.
Slack to SpektrixSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Google Sheets to SpektrixGoogle Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Gmail to SpektrixGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to SpektrixGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Questions
Lettr and Spektrix, answered
What can start an automation from Lettr?
Any of Lettr's 1 trigger in the catalog, including New email event. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Spektrix when something happens in Lettr?
Any of Spektrix's 22 actions, including Basket: Add a Customer, Basket: Add a Donation, Basket: Add a Merchandise Delivery Method and Basket: Add a Ticket Delivery Method. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Spektrix to Lettr?
Spektrix has no triggers in the catalog today, so automations start in Lettr. If you need the other direction, ask: your agent reads Spektrix's API documentation and adds it.
Do I have to build a connector for Lettr or Spektrix?
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 Lettr and Spektrix 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.