Postscript

Last updated: March 11, 2026

Collecting SMS numbers through emails is more effective with Zaymo’s interactive SMS block. To use this block and have SMS numbers collected in interactive emails, your Postscript account must be integrated with both Zaymo and Klaviyo. This article will explain how to connect with both platforms.

Expect ~10 to complete both connections.

What does the Postscript integration unlock?

The Postscript integration unlocks the SMS capture block.

How do I set up the Postscript integration?

Prerequisite: Connect Postscript to Klaviyo

Before connecting to Zaymo, be sure to connect your Postscript with Klaviyo as this will enable you to send interactive emails with Zaymo and increase the efficacy of your email SMS collection efforts.

Connect Zaymo to Postscript

Step 1: Log into your PostScript account. Navigate to Settings > API. Click on Create Security Key.

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Step 2: Label the new API.

Step 3: Reveal the private key and copy it.​

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Step 4: Log into the Zaymo account. Go to Integrations > PostScript. Click Connect.

Step 5: Paste the copied API key into the provided field. The other fields should appear if the API key is valid.

Step 6: Choose the keyword you’d like people to sign up under.

Step 7: Enter the Privacy Policy URL and Terms of Service URL. Click Submit.

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