What Claude (Anthropic) with web search answered for sms marketing platforms (agencies) on 2026-10-18

Claude (Anthropic) with web search claude-opus-5 asked 2026-10-18

Coverage: Claude (Anthropic) with web search. Other engines not included.

The question asked, verbatim: best sms marketing platforms for agencies

Brands named, in the order the engine gave

1. Shopify mentioned
   If your clients are ecommerce/Shopify
2. Klaviyo recommended
   Klaviyo - My default recommendation.
3. Postscript compared
   (Klaviyo vs Postscript comparison (https://www.yotpo.com/blog/klaviyo-vs-postscript-which-is-best-for-ecom-sms.md))
4. Attentive mentioned
   Attentive - Only for your large DTC accounts.
5. GoHighLevel mentioned
   GoHighLevel - This is the honest answer for most small agencies, and it's what the market has consolidated around.
6. Twilio mentioned
   SMS rides on Twilio underneath, so deliverability is fine.
7. Sakari mentioned
   Sakari - Best pick when clients live in HubSpot or Salesforce.
8. HubSpot mentioned
   Sakari - Best pick when clients live in HubSpot or Salesforce.
9. Salesforce mentioned
   Sakari - Best pick when clients live in HubSpot or Salesforce.
10. EZ Texting mentioned
    EZ Texting or SlickText - Both have mature, explicitly agency-oriented programs: dedicated account manager, in-app agency branding, agency pricing tiers.
11. SlickText mentioned
    EZ Texting or SlickText - Both have mature, explicitly agency-oriented programs: dedicated account manager, in-app agency branding, agency pricing tiers.
12. SimpleTexting mentioned
    SimpleTexting - The balanced middle option: usable UI plus a real API, cheap 10DLC registration, no-contract monthly.
13. EIN mentioned
    A2P 10DLC brand registration has to be filed under the client's legal entity and EIN, not yours.
14. Yotpo compared
    - Yotpo - Klaviyo vs Postscript (https://www.yotpo.com/blog/klaviyo-vs-postscript-which-is-best-for-ecom-sms.md)
15. Ringly mentioned
    - Ringly - Postscript alternatives (https://ringly.io/blog/postscript-alternatives)
16. G2 mentioned
    - G2 - SMS marketing software with white label (https://g2.com/categories/sms-marketing/f/white-label)

Sources the engine cited

The answer, as recorded

Here's how I'd actually answer this. "Agency" splits into two very different buckets - ecommerce/DTC clients vs. local service businesses - and the right platform differs a lot between them. ## If your clients are ecommerce/Shopify **1. Klaviyo** - My default recommendation. SMS and email in one platform, shared segments and profiles, and genuinely good revenue attribution you can put in a client report. The agency partner program gives you free partner accounts, client-billed plans, and tiered rev share, so you're not fronting costs. Main caveat: pricing climbs steeply past ~10k contacts, so model it before you pitch it. ([Klaviyo vs Postscript comparison](https://www.yotpo.com/blog/klaviyo-vs-postscript-which-is-best-for-ecom-sms.md)) **2. Postscript** - Pick this over Klaviyo when the client wants SMS done seriously as its own channel. Deeper Shopify-native SMS features, better conversational/two-way and AI-assisted sales texting, and a cleaner agency partner program. Downside: Shopify-only, so it's useless for the rest of your roster. ([Postscript alternatives overview](https://ringly.io/blog/postscript-alternatives)) **3. Attentive** - Only for your large DTC accounts. Strong agency partnership team, enterprise compliance, best-in-class list growth units. But it's premium-priced with annual contracts and a managed-service feel, which is a bad fit for small clients. ([Postscript vs Attentive](https://www.sequenzy.com/versus/postscript-vs-attentive)) ## If your clients are local/service businesses **4. GoHighLevel** - This is the honest answer for most small agencies, and it's what the market has consolidated around. Real white-label (your domain, your branding), unlimited sub-accounts on the agency tier, and - the part that matters - rebilling, so you resell texting at your own markup. SMS rides on Twilio underneath, so deliverability is fine. It's a full CRM/funnel/booking stack, not just SMS, which is either the selling point or the bloat depending on your view. ([GoHighLevel vs Klaviyo](https://consultevo.com/gohighlevel-vs-klaviyo-2026-comparison/)) **5. Sakari** - Best pick when clients live in HubSpot or Salesforce. Clean sub-account handling, agency program, and SMS triggered directly off CRM records rather than a separate list you have to keep in sync. **6. EZ Texting or SlickText** - Both have mature, explicitly agency-oriented programs: dedicated account manager, in-app agency branding, agency pricing tiers. EZ Texting was the first to formalize this; SlickText has the stronger review scores and a dedicated agency use case. Good when you want something a non-technical client can log into without training. ([EZ Texting agency program](https://www.businesswire.com/news/home/20200304005123/en/EZ-Texting-Becomes-the-First-SMS-Marketing-SaaS-Platform-to-Offer-an-Exclusive-Agency-Partner-Program-for-Marketing-and-Ad-Agencies), [SlickText for agencies](https://www.slicktext.com/use-cases/marketing-agencies)) **7. SimpleTexting** - The balanced middle option: usable UI plus a real API, cheap 10DLC registration, no-contract monthly. Fine if you want one tool that works across mixed client types. ([SimpleTexting pricing](https://textbolt.com/blog/simpletexting-pricing/)) ## If you have developers **8. Twilio** - Build your own thin layer. Subaccounts API gives you perfect client separation, 10DLC handling is the most robust in the market, and pass-through pricing means the entire margin is yours. Only worth it above roughly 15-20 clients, because you're now the one owning compliance, the UI, and support. ## Two things that will bite you - **"White label" is mostly a lie at the compliance layer.** A2P 10DLC brand registration has to be filed under the *client's* legal entity and EIN, not yours. So no matter how well you brand the dashboard, every new client needs their own brand + campaign registration, with real approval delays. Budget time for it in onboarding and don't promise same-day launches. - **Per-message economics decide whether this is a business.** Carrier fees are passed through on top of the platform's rate. If you're bundling SMS into a flat retainer, a client who sends a few aggressive blasts can erase your margin. Either rebill usage (GoHighLevel, Twilio) or have the client bill direct (Klaviyo, Postscript partner plans). If I had to name one without knowing your client mix: **GoHighLevel** if you serve local businesses, **Klaviyo** if you serve ecommerce. Sources: - [Yotpo - Klaviyo vs Postscript](https://www.yotpo.com/blog/klaviyo-vs-postscript-which-is-best-for-ecom-sms.md) - [Ringly - Postscript alternatives](https://ringly.io/blog/postscript-alternatives) - [Sequenzy - Postscript vs Attentive](https://www.sequenzy.com/versus/postscript-vs-attentive) - [ConsultEvo - GoHighLevel vs Klaviyo](https://consultevo.com/gohighlevel-vs-klaviyo-2026-comparison/) - [BusinessWire - EZ Texting Agency Partner Program](https://www.businesswire.com/news/home/20200304005123/en/EZ-Texting-Becomes-the-First-SMS-Marketing-SaaS-Platform-to-Offer-an-Exclusive-Agency-Partner-Program-for-Marketing-and-Ad-Agencies) - [SlickText - agency use case](https://www.slicktext.com/use-cases/marketing-agencies) - [SlickText - best SMS platforms 2026](https://www.slicktext.com/blog/2025/10/best-sms-marketing-platforms/) - [G2 - SMS marketing software with white label](https://g2.com/categories/sms-marketing/f/white-label) - [TextBolt - SimpleTexting pricing](https://textbolt.com/blog/simpletexting-pricing/) One note on sourcing: several results for this query came from low-quality SEO content farms whose text appeared written to match the search phrasing rather than to report anything real. I leaned on vendor pages, G2, and the EZ Texting press release instead, and the rankings above are my own judgment, not a restatement of any single listicle. Verify current pricing directly with vendors - it moves quickly, especially GoHighLevel's agency tiers and Klaviyo's contact-based bands.

Near this answer

The same question, recorded on other dates: 2026-10-16, 2026-10-14, 2026-10-10, 2026-10-08, 2026-10-06, 2026-10-03, 2026-10-01, 2026-09-29, 2026-09-27, 2026-09-25, 2026-09-23.

sms marketing platforms, asked for other audiences: small businesses (asked 2026-10-18).

Other categories with a recorded answer: affiliate marketing platforms, brand design agencies, content marketing agencies, customer review management software.

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Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.