Quick answer
Shopify has no native SMS sending, so 10DLC registration happens through your SMS app (Klaviyo, Postscript, Attentive, Yotpo SMSBump). The app's carrier provider submits your brand and campaign to The Campaign Registry, but TCPA-grade consent proof for every subscriber remains your legal responsibility, not the app's.
Shopify itself never sends a marketing text. Every SMS your store sends goes out through an app, and every app sends through a Campaign Service Provider that must register your brand under the 10DLC framework.
That layered setup is where Shopify merchants get hurt: the app handles carrier paperwork, so merchants assume compliance is handled too. Carriers and courts disagree. The 10DLC campaign is registered in your brand's name, and TCPA lawsuits name the merchant, not the app.
How SMS Works on Shopify
Shopify provides the storefront, checkout, and customer database. SMS is delegated to apps: Klaviyo, Postscript, Attentive, Yotpo SMSBump, or Recart. Each app maintains its own carrier connections (most ride on Twilio or Sinch) and submits 10DLC registrations on behalf of its merchants.
The phone numbers you text are collected in three places: the checkout marketing consent setting, app-managed popups, and Shopify Forms. Each collection point has different consent language defaults, and only some of them produce evidence that would survive a TCPA demand letter.
How to Set Up 10DLC for Shopify
- 1
Pick your SMS app before registering anything
Your 10DLC brand and campaign live with the app's carrier provider. Switching apps later means re-registering the campaign and re-warming your sending reputation, so choose Klaviyo, Postscript, or Attentive first.
- 2
Submit brand details inside the app
The app collects your legal entity name, EIN, address, and website, then forwards them to The Campaign Registry. Use the exact legal name on your IRS records: an EIN mismatch is the most common Shopify 10DLC rejection.
- 3
Provide a public opt-in URL
TCR reviewers must see where subscribers consent. A checkout screenshot is weak: reviewers prefer a live, publicly accessible page showing the unchecked SMS checkbox, brand name, frequency, rates, and STOP/HELP language.
- 4
Wait for carrier approval before sending
Campaign review takes 1-7 business days. Sending from an unapproved campaign gets traffic filtered and can flag your brand. Confirm approval status inside the app dashboard before launching a campaign.
Where Shopify Setups Fail TCPA Review
Carrier approval is step one. These are the consent gaps that turn into demand letters.
Shopify's checkout marketing setting can bundle email and SMS consent into one signal, which fails the TCPA's separate-consent standard set in Johnson v. Human Power of N
App popups often fire the consent webhook before the confirmation step, recording subscribers who never completed double opt-in
Consent records live inside the app as editable database rows, not tamper-proof evidence
If you switch SMS apps, historical consent records frequently do not migrate, leaving you texting a list you can no longer prove
How OptInFix Closes the Gaps on Shopify
A consent page that satisfies TCR review
OptInFix gives your store a hosted, publicly indexable opt-in page with the full CTIA disclosure set, ready to paste into the app's opt-in URL field during campaign registration.
Session-recorded proof at the point of opt-in
Every consent is captured with a session replay, timestamp, IP, and form version, then hash-locked. When a demand letter arrives, you produce evidence the app's database row cannot match.
App-independent consent vault
Consent records live outside Klaviyo or Postscript, so switching SMS apps never strands your proof. Export or verify any record publicly by its consent ID.
10DLC for Shopify: Frequently Asked Questions
Does Shopify register 10DLC for me?
No. Shopify has no native SMS sending. Your SMS app (Klaviyo, Postscript, Attentive, Yotpo) registers the 10DLC brand and campaign through its carrier provider. The registration is in your business's name, and the compliance obligations are yours.
Is the Shopify checkout SMS checkbox TCPA compliant?
Only if configured carefully. The checkbox must be unchecked by default, separate from email consent, and accompanied by the full disclosure (brand name, message frequency, rates, STOP/HELP, consent-not-required-for-purchase). Default themes frequently miss at least one element.
How long does Shopify 10DLC registration take?
Brand registration completes in minutes to a day. Campaign approval typically takes 1-7 business days, longer if T-Mobile manually reviews. Plan for two weeks end-to-end before your first campaign.
Who gets sued if my Shopify SMS violates the TCPA: me or the app?
You. TCPA plaintiffs sue the brand whose name is on the message. SMS app terms of service put consent responsibility on the merchant, which is why your own consent evidence matters more than the app's checkbox.