{"question": "best sms marketing platforms for agencies", "category": "sms-marketing-platforms", "category_name": "sms marketing platforms", "audience": "agencies", "audience_name": "agencies", "engine": "Claude (Anthropic) with web search", "model": "claude-opus-5", "asked_at": "2026-09-08T21:49:15Z", "permalink": "https://bikoosh.com/answers/s/sms-marketing-platforms-agencies-2026-09-08", "question_page": "https://bikoosh.com/answers/q/sms-marketing-platforms/agencies", "brands_named": [{"position": 1, "brand": "GoHighLevel", "label": "mentioned"}, {"position": 2, "brand": "Twilio", "label": "mentioned"}, {"position": 3, "brand": "ProTexting", "label": "mentioned"}, {"position": 4, "brand": "ProTexting / SmsTools / UltraSMSScript", "label": "mentioned"}, {"position": 5, "brand": "SmsTools", "label": "mentioned"}, {"position": 6, "brand": "Shopify", "label": "mentioned"}, {"position": 7, "brand": "Postscript", "label": "mentioned"}, {"position": 8, "brand": "Klaviyo", "label": "mentioned"}, {"position": 9, "brand": "Attentive", "label": "mentioned"}, {"position": 10, "brand": "Salesmsg", "label": "mentioned"}, {"position": 11, "brand": "Salesmsg / EZ Texting", "label": "mentioned"}, {"position": 12, "brand": "EZ Texting", "label": "mentioned"}, {"position": 13, "brand": "TextUs", "label": "mentioned"}], "sources_cited": [{"url": "https://www.salesmessage.com/blog/best-sms-marketing-software", "domain": "salesmessage.com", "source_type": "other"}, {"url": "https://textus.com/blog/white-label-tools-for-agencies", "domain": "textus.com", "source_type": "vendor"}, {"url": "https://www.protexting.com/sms-white-label.html", "domain": "protexting.com", "source_type": "vendor"}, {"url": "https://www.smstools.com/en/sms-reseller", "domain": "smstools.com", "source_type": "vendor"}, {"url": "https://www.ultrasmsscript.com/new-service-providers/", "domain": "ultrasmsscript.com", "source_type": "other"}, {"url": "https://taylorsicard.com/blog/attentive-vs-postscript-pricing", "domain": "taylorsicard.com", "source_type": "other"}, {"url": "https://www.sequenzy.com/versus/postscript-vs-attentive", "domain": "sequenzy.com", "source_type": "other"}, {"url": "https://www.klaviyo.com/blog/best-sms-marketing-platforms", "domain": "klaviyo.com", "source_type": "vendor"}, {"url": "https://www.twilio.com/en-us/phone-numbers/a2p-10dlc", "domain": "twilio.com", "source_type": "vendor"}, {"url": "https://www.telgorithm.com/telgorithm-vs-twilio", "domain": "telgorithm.com", "source_type": "other"}], "answer_text": "The honest framing first: \"best\" splits along what kind of agency you are. Here's what I'd actually recommend, in order.\n\n## If you want to resell texting under your own brand\n\n**1. GoHighLevel** - The default answer for most marketing agencies. Full white-label (your logo, your domain), unlimited sub-accounts on the $297 Unlimited plan, and SMS is bundled into a broader CRM/funnel/automation stack so you're selling a platform, not just texts. Twilio runs underneath at roughly $0.0075/SMS US, rebillable to clients at your own markup - that resale margin is the real business case. Downside: it's a generalist tool, and deliverability tuning is on you.\n\n**2. ProTexting / SmsTools / UltraSMSScript** - The narrower white-label SMS specialists. Client, credit, and keyword management in one admin panel, your branding, your pricing. Worth looking at if you want SMS as a standalone product line rather than a bolt-on to a CRM. UltraSMSScript in particular is self-hosted/licensed rather than per-seat SaaS, which changes the unit economics at volume.\n\n## If your clients are ecommerce (Shopify DTC)\n\n**3. Postscript** - The one I'd name first here. Shopify-native, transparent published pricing (", "answer_truncated": true, "measurement": "One answer from one engine on one date. Not a ranking and not a claim about the world; brands the engine did not name are not recorded.", "limitation": "Coverage: Claude (Anthropic) with web search. Other engines not included.", "alerts": {"name": "Answer Watch Pro", "price_usd": 79, "period": "month", "gets": "daily change alerts for up to 5 brands in what one AI answer engine says, history, CSV export. Coverage: Claude (Anthropic) with web search. Other engines not included", "url": "https://bikoosh.com/answers"}}