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Tech riderRev. 9 Oct 2026

Postscript

Ch 057.2of 51SMS Marketing Software
  1. 1Runs onAPI, Web
  2. 2CostsFree plan · free trial · paid from $100/mo
  3. 3MMS supportYes
  4. 4Workflow automationYes
4 lines stated Written from the maker's own pages: postscript.io
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The Postscript homepage

Overview

Postscript is ranked #5 of 51 in SMS marketing software on Specifiction. It runs on API, Web. There is a free plan. A free trial is offered. Paid plans start at $100/mo.

Postscript plans and pricing

All plans
Starter Free $0/mo.; $49 monthly minimum spend; $0.009/SMS, $0.045/MMS + Carrier fees* Campaigns and automations · Unlimited segments · Dedicated toll-free number · 2 opt-in Keywords postscript.io · 9 Oct 2026
Growth $100/mo $100/mo.; $0.008/SMS, $0.03/MMS + Carrier fees* Starter features · Unlimited opt-in Keywords · Live chat and email support postscript.io · 9 Oct 2026
Professional $500/mo $500/mo.; $0.007/SMS, $0.024/MMS + Carrier fees* Growth features · Enhanced Analytics · Priority live chat/email support · API access for custom integrations postscript.io · 9 Oct 2026
Postscript AI Plan $699/mo $699/mo.; Per Message Rates: $0.003 – $0.30 (depending on the product and message type) Brand Center · Infinity Testing · Shopper postscript.io · 9 Oct 2026
Enterprise Contact us for custom pricing Professional features · Dedicated Customer Success Manager · Data Warehouse Push · Option to add RCS postscript.io · 9 Oct 2026

Compared on SMS marketing software

Free plan
Nopostscript.io
Paid from
$49/mopostscript.io
MMS support
Yespostscript.io
Workflow automation
Yespostscript.io

Facts

Product
Postscript describes itself as an agentic retention marketing platform across SMS, RCS, email, and future channels.postscript.io · 9 Oct 2026
Audience
Postscript says it helps ecommerce brands design and operate SMS programs that engage customers and drive revenue.postscript.io · 9 Oct 2026
AI context
Its Agentic Context Platform stores brand and customer context so AI agents can act at the individual subscriber level, and the homepage says it is included with every plan at no extra cost.postscript.io · 9 Oct 2026
Messaging tools
All marketing plans include a visual flow builder with automation templates, subscriber acquisition tools, segmentation, analytics, response management, and custom attribution windows.postscript.io · 9 Oct 2026
AI products
The Postscript AI Plan includes Brand Center controls for message tone and brand knowledge, Infinity Testing for message variants, and Shopper for personalized journeys.postscript.io · 9 Oct 2026
Integrations
Postscript's integration directory groups connections into categories including ecommerce platforms, email, customer support, loyalty, reviews, analytics, and workflow automation.postscript.io · 9 Oct 2026
Platform API
Professional pricing lists API access for custom integrations, and Postscript provides developer documentation for its API, JavaScript SDK, and webhooks.postscript.io · 9 Oct 2026
Security and compliance
Postscript says its features and list-growth tools are built to follow TCPA, mobile carrier, and other regulatory guidelines.postscript.io · 9 Oct 2026
Subscriber privacy
Postscript's help documentation says shops can submit subscriber deletion and access requests, with API-based requests available on Professional and Enterprise plans.help.postscript.io · 9 Oct 2026
Support
Customer Experience Advocates provide live chat Monday–Friday from 6am PT to 5pm PT and email support; Professional and Enterprise plans include dedicated onboarding and priority support.postscript.io · 9 Oct 2026
Pricing limits
The listed messaging rates apply to the United States 50 states and Canada, with carrier fees added; a dedicated short code is listed at $750/month through carriers.postscript.io · 9 Oct 2026
Trial
Postscript says a free trial includes $100 in credit usable during the first 30 days, after which or when exhausted additional messages are charged at the Free package rate unless another package is selected.postscript.io · 9 Oct 2026

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Where it ranks on Specifiction

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