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Marketing & ads · Connects with an API key

An AI teammate for Lettr.

Connect Lettr and your Cicada agent works in it for you: 60 Lettr actions, from looking things up to making changes. Ask from iMessage, WhatsApp, Slack or the app, and keep it read-only if you only want it to look.

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300 free credits. No card. Read-only if you want.

Things to ask about Lettr
  • Compare last week's Lettr results with the week before and tell me what changed.
  • Which Lettr campaign cost the most for the least this month?
  • Send me a Monday summary of Lettr in Slack.
  • Pull the Lettr numbers into a sheet with a chart.
Text it, Slack it, or type it in the app. Swap in your own details.
What Cicada can do in Lettr

60 Lettr actions, picked for what you ask.

About Lettr: Lettr is an email and messaging platform for transactional delivery, templates, audiences, campaigns, domains, and webhooks.

Reads

25 in all · always allowed
  • Get Email
    Retrieve a sent email's delivery state, recipients, schedule metadata, and events by request ID.
  • Get Domain
    Retrieve one sending domain's send readiness, DNS records, provider detection, and verification…
  • Get Webhook
    Retrieve one webhook's target, enabled state, event selection, authentication mode, and latest…
  • Get Campaign
    Retrieve one campaign's name, subject, sender and reply-to configuration, schedule, rendered HTML,…
  • Get Template
    Retrieve an email template's metadata, active HTML or editor JSON content, and version counts by…
  • List Domains
    Return all sending domains with approval, DNS verification, and send-readiness status.
  • List Projects
    Return one cursor-controlled page of Lettr projects and their IDs for use with template operations.
  • List Webhooks
    Return all event webhooks with target, enabled state, event selection, authentication mode, and…
  • List Campaigns
    Return one cursor-controlled page of campaigns with complete delivery and engagement statistics,…
  • List Templates
    Return one cursor-controlled page of email templates for a project or the team's default project.

Changes

35 in all · off when Lettr is read-only
  • Send Email
    Immediately queue a transactional email to up to 50 recipients using inline content or a Lettr…
  • Create Domain
    Register a sending domain and return the DNS configuration needed to verify it.
  • Delete Domain
    Permanently remove a sending domain from Lettr and SparkPost so it can no longer send email.
  • Send Campaign
    Immediately and irreversibly start sending a sendable draft campaign to its resolved audience.
  • Verify Domain
    Run Lettr's DNS verification for a registered domain and return DKIM, CNAME, DMARC, SPF, and…
  • Create Webhook
    Create an active event webhook using no authentication, HTTP Basic credentials, or OAuth 2 client…
  • Delete Webhook
    Permanently remove a webhook so Lettr stops delivering events to it.
  • Schedule Email
    Create a transactional email scheduled 5 minutes to 3 days in the future;
  • Update Webhook
    Partially update a webhook's name, callback URL, authentication, selected events, or active state.
  • Create Template
    Create and publish an email template from either custom HTML or Topol editor JSON, extracting its…

Showing 20 of 60. Your agent can use every one of them; you don't pick them, you ask for the outcome.

How it works

Connected in a minute. In your control after that.

  1. Connect Lettr

    Open Connections, find Lettr and paste an API key from your Lettr account settings. Cicada checks it works before saving it.

  2. Choose what it may do

    Full, Ask first or Read-only, for the whole workspace. Share Lettr with the team, or keep it under each person's own login.

  3. Ask from anywhere

    Text your agent on iMessage or WhatsApp, message it in Slack or the app, or put a Lettr job on a schedule: every morning, every Friday.

Works with your other tools

Lettr, together with the rest of your stack.

Ask for an outcome that spans apps and your agent pulls from each one, cross-checks them and sends back one answer.

More marketing & ads integrations

ThoughtMetric integrationMailchimp integrationTikTok Ads integrationReddit Ads integrationKit integrationOmnisend integrationPinterest Ads integrationGoogle Ads integration

Often used alongside

Gmail integrationSlack integrationGoogle Sheets integrationGoogle Calendar integration

See all 888 integrations

Questions

Lettr and Cicada, answered.

Does Cicada integrate with Lettr?

Yes. Lettr is one of the 888 apps with a page here, and it connects with an API key. Once it's connected, every agent in your workspace can use it from any channel you talk to them on.

How do I connect Lettr?

Open Connections, find Lettr and paste an API key from your Lettr account settings. Cicada checks it works before saving it.

What can Cicada do in Lettr?

60 actions: 25 that read from Lettr and 35 that change things in it, for example get email, get domain, get webhook. It picks the right ones for what you ask and chains them with your other apps.

Can I stop Cicada changing things in Lettr?

Yes. In Connections, set Lettr to Read-only and no agent in your workspace can create, change or delete anything in it; it can still read. Ask first lets it act but makes it check with you before each change.

Can I ask about Lettr from my phone?

Yes. Text your agent on iMessage or WhatsApp, or message it in Slack or the app. It answers in the same thread, and it can run Lettr jobs on a schedule, like every morning at 8.

Is my Lettr data safe?

Your Lettr login or key is stored on the server and never appears in a conversation. Disconnecting removes it. Every action an agent takes is in your activity log, and your data isn't used to train models.

One teammate. The output of a team.

Works nights, remembers every decision, answers in the thread. Start free with 300 credits.

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