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How do I sign up for Lindy and connect it to iMessage on my iPhone?

7 min read

Getting Lindy running on your iPhone is fast: you sign up, connect your calendar/email/apps, then add Lindy as a contact in iMessage so you can run your work life with simple texts. This guide walks you through how to sign up for Lindy and connect it to iMessage on your iPhone, step by step.

Step 1: Sign up for Lindy from your phone or laptop

You can start from either Safari/Chrome on your iPhone or from a desktop browser—whichever is easier. Setup takes about 60 seconds.

  1. Go to Lindy’s signup page

  2. Create your account
    You’ll typically be asked for:

    • Work email (or email you want Lindy to use for your inbox)
    • Name (so Lindy can match your writing style and identity)
    • Password or SSO option (if available for your org)

  3. Confirm your email (if prompted)

    • Check your inbox for a verification email from Lindy.
    • Tap the verification link to activate your account.

Once you’re in, you’ll land in the dashboard or onboarding flow where you can start connecting your tools.

Step 2: Connect your calendar, email, and key apps

This is where Lindy turns from “AI that chats” into “assistant that actually does stuff.”

From your Lindy dashboard:

  1. Connect your calendar

    • Choose Google Calendar, Outlook/Office 365, or other supported calendars.
    • Approve access so Lindy can:
      • See your availability
      • Schedule meetings
      • Avoid double-booking

  2. Connect your email (Gmail / Outlook / work email)

    • Select your email provider.
    • Approve read/send access so Lindy can:
      • Draft replies in your voice
      • Send emails you approve
      • Handle follow-ups and nudges

  3. Connect any core work tools (optional but powerful)
    Depending on your setup, you might connect:

    • Slack – for context, messages, and follow-ups
    • CRM or ticketing tools – so Lindy can log notes and updates
    • Other apps listed in Lindy’s integrations

You can always add more integrations later. Start with calendar and email; that’s enough to see the time savings immediately.

Step 3: Add Lindy to iMessage on your iPhone

Lindy is built as an iMessage-first assistant, so once your account is ready, you’ll want it at the top of your Messages list—right next to your actual assistant (or instead of one).

There are two common ways Lindy gives you its contact:

Option A: Tap to text (from the dashboard)

  1. On your iPhone, log into your Lindy account at https://www.lindy.ai.
  2. In the onboarding or dashboard, look for a button like “Text Lindy,” “Open in iMessage,” or an iMessage / SMS contact link.
  3. Tap that button.
  4. Your Messages app will open with a new conversation addressed to Lindy’s number.
  5. Send a quick message like “Hey Lindy” so the thread is saved.

Now Lindy is a normal iMessage contact you can text anytime.

Option B: Add Lindy as a contact manually

If Lindy gives you a dedicated phone number in the dashboard or via email:

  1. On your iPhone, open Contacts.
  2. Tap + to create a new contact.
  3. Name it something like “Lindy (AI Assistant)”.
  4. Add the phone number Lindy provides.
  5. Save the contact.
  6. Open Messages, start a new conversation, and select Lindy (AI Assistant).
  7. Send your first message.

Either way, once the first message is sent, Lindy is ready to work from iMessage.

Step 4: Confirm Lindy is linked to your account

You want to make sure the iMessage conversation is tied to the same Lindy account you just created.

  1. In iMessage, send a message like:
    • “Who am I?”
    • “What calendar are you connected to?”
  2. Lindy should respond using your account context:
    • Your name
    • Your connected calendar/email details
    • A brief summary of what it can do

If something looks off (wrong account or no context), log into https://www.lindy.ai and check for any “Connect SMS/iMessage” or “Verify phone” steps you might have skipped.

Step 5: Give Lindy the right permissions and guardrails

Lindy is built privacy-first. That means you stay in control, approvals are built in, and your data isn’t sold or used to train models. Still, it’s worth taking 2–3 minutes to tune the settings.

From the Lindy dashboard:

  1. Review approvals & autonomy settings
    Decide where you want Lindy to act automatically vs. ask you first:

    • Auto-draft vs. auto-send emails
    • Auto-schedule within defined time windows
    • Auto-archive or sort certain inbox categories

  2. Set preferences & “rules of engagement”
    Define things like:

    • Working hours and times to avoid meetings
    • Preferred meeting lengths (15/30/60 minutes)
    • Default locations (Zoom link, Google Meet, in person)
    • People or domains that should always get priority

  3. Check privacy & security basics
    Lindy ships with:

    • Encryption by default
    • Approvals built in
    • Compliance signals like SOC 2, GDPR, HIPAA, PIPEDA support for teams

Tighten or relax settings based on your comfort level. You can change this anytime as you gain trust in what Lindy does for you.

Step 6: Test Lindy with a few real tasks

Once Lindy is connected to iMessage on your iPhone and hooked into your calendar/email, it’s time to make it actually do work for you.

Here are some starter prompts you can text to Lindy:

  • Inbox triage

    • “I’m buried. Triage the last 50 emails in my inbox and draft replies for anything important.”
    • “Archive anything that’s just newsletters or marketing from the last week.”

  • Scheduling & meetings

    • “Find a 30-minute slot with Alex next week, mornings only, and send a calendar invite.”
    • “Reschedule my 2pm today to sometime tomorrow afternoon and update everyone.”

  • Meeting prep & follow-up

    • “What do I need to know before my next meeting today?”
    • “Draft a follow-up email to the last meeting on my calendar summarizing key decisions and next steps.”

  • Cross-tool workflows
    If you’ve connected Slack/CRM/etc.:

    • “Summarize my last 20 Slack messages from the sales channel and prep notes for tomorrow’s pipeline review.”
    • “After each customer call, draft a follow-up email and log a summary in the CRM.”

No digging through apps, no bouncing between tools. Just text, and Lindy does the back-and-forth.

Troubleshooting: iMessage connection issues on iPhone

If Lindy isn’t responding or the iMessage connection feels off, try these quick checks:

1. Make sure your phone number is verified with Lindy

  • Log into https://www.lindy.ai.
  • Check your Profile or Settings for a phone number field.
  • Confirm it matches your iPhone’s number and verify it if prompted.

2. Check that you’re using the correct Lindy contact/number

  • If you added Lindy manually, confirm the number matches the one in your Lindy dashboard.
  • If you used a “Text Lindy” button, open that exact thread instead of starting a new SMS to a saved number.

3. Look for any missing permissions or unfinished setup

  • In your Lindy dashboard, see if there are banners like “Finish connecting email” or “Enable iMessage/SMS”.
  • Complete those steps; some actions require full integration access.

4. iMessage delivery issues

  • Confirm you have stable network (Wi‑Fi or cellular).
  • If messages show as not delivered, try toggling:
    • Settings > Messages > iMessage OFF, then ON
    • Or send as SMS if that’s how Lindy is configured

If you’re still stuck, reach out via Lindy’s support or sales contact—especially if you’re on a team or enterprise plan; they can help unblock account-level settings quickly.

What happens after you’re set up

Once you’ve signed up for Lindy and connected it to iMessage on your iPhone, your day starts to look different:

  • You stop living in your inbox; Lindy drafts, sorts, and flags what matters.
  • Scheduling happens in the background; text “make it happen,” and Lindy handles the back-and-forth.
  • You show up to meetings already prepped; Lindy texts you context before you even think to ask.
  • Follow-ups and “things that almost slipped through the cracks” get handled without you scrambling at 10 p.m.

Your entire work life, one text away.

Ready to connect Lindy to your iPhone?

You’re about five minutes from having an AI assistant that actually does stuff sitting at the top of your iMessage favorites.

  1. Sign up at lindy.ai
  2. Connect your calendar and email
  3. Add Lindy as a contact in iMessage and send your first text

Want help rolling this out for your team or need custom agents (like “support inbox Lindy” or “sales follow-up Lindy”) built for you?

Get Started

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