Articles

How to Send a Follow up Email After No Response?
Copywriting Deliverability Infrastructure

How to Send a Follow up Email After No Response?

You’ve written thousands of cold emails, sent them, and now you’re playing the waiting game. Except you’re the only one that’s playing it. Your leads? Not so much.…

Aerosend vs Smartlead vs Instantly
Deliverability Infrastructure

Aerosend vs Smartlead vs Instantly

To send cold emails that will land in the inbox, you need two things:   Inboxes – Email accounts your cold emails are sent from. Automation Software –…

Automated vs Manual Cold Email
Deliverability Infrastructure

Automated vs Manual Cold Email

Cold emailing is one of the biggest ways to generate revenue, even in 2025. The question is whether you should be automating the whole process or do it…

How to Monitor Email Deliverability?
Deliverability Metrics

How to Monitor Email Deliverability?

Most cold emailers think “delivered” means “in the inbox.” It doesn’t.   Real-time email deliverability monitoring is one of the strongest metrics that will lead to conversions.  …

Cold Email Mistakes To Avoid – From the Experts
Copywriting Deliverability Infrastructure Metrics

Cold Email Mistakes To Avoid – From the Experts

Everyone is going to make some cold email mistakes. Especially if it is their first time starting a campaign. It’s time to learn from the errors experts made…

What is Aerosend?
Deliverability Infrastructure Metrics

What is Aerosend?

We’re an inbox provider built for cold emails. To make cold email successful, you need to send very few emails from 1 domain (60-75 emails/day/domain). To scale automated…

Gmail Sending Limits For Cold Emailers
Deliverability Infrastructure Metrics

Gmail Sending Limits For Cold Emailers

Gmail is the most popular provider. But should you use it for cold email?   If you’ve found yourself in the midst of the “you have reached a…

How to Get Your Instantly API Key

Step 1 : Log in to Your Instantly Account

Go to https://app.instantly.ai/auth/login and log in to your account

Step 2 : Navigate to Settings

Click on your profile icon in the bottom-left corner, then select “Settings” from the dropdown menu.

Step 3 : Select Integration

In the Integrations page, click on the “API Keys” tab in the left sidebar.

Step 4 : Get Your API Key with all:read Scope

If you already have an API key with the all:read scope, you can use that key.


If not, click the “Create API Key” button, select the all:read scope, and make sure to save your new API key somewhere safe.

How to Get Your Smart Lead API Key

Step 1 : Log in to Your Smart Lead Account

Go to https://app.smartlead.ai/login account and log in to your account

Step 2 : Navigate to Settings

Click on the “Settings” option in the top right corner profile icon.

Step 3 : Select API Integration

In the Settings page, under your profile picture, you can see the SmartLead API Key.

Step 4 : Generate Your API Key

If you already have an API key displayed, you can use that key. If not, click the “Generate API Key” button to create a new one.