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14,448 startups · 29 programs

Postscript

Active · The AI Retention Platform for Brands & Retailers

WebsiteYC profile

Why it ranks

How the rank works
18signal of 100 · rising 3
  • team of 180Team size · YC's directory+11.7
  • went through YCProgram · this site+4
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

OtherSendboxShared: commerce merchant, e-commerceYC W21LagosStartup →AISureBrightShared: commerce merchant, e-commerce, 100mYC S24New DelhiStartup →
Companies closest to Postscript
Company
SendboxShared: commerce merchant, e-commerceYC W21ActiveOther
SureBrightShared: commerce merchant, e-commerce, 100mYC S24 +1ActiveAI

Adjacent

AISynapsShared: commerce merchantEF 2025ParisStartup →OtherGreenLeazeShared: commerce merchantEF 2025ParisStartup →AIPlusmarginShared: commerce merchant500 Global 2015SingaporeStartup →AIDepictShared: e-commerce, marketingYC S20StockholmStartup →OtherAcquiredMomentumShared: revenue, conversationSPC 2020San FranciscoStartup →
Companies next to Postscript
Company
SynapsShared: commerce merchantEF 2025Not statedAI
GreenLeazeShared: commerce merchantEF 2025Not statedOther
PlusmarginShared: commerce merchant500 Global 2015Not statedAI
DepictShared: e-commerce, marketingYC S20ActiveAI
MomentumShared: revenue, conversationSPC 2020AcquiredOther

Also from W19 in AI

All of W19
AIAcquiredAllure SystemsA.I. to create stunning fashion images for eCommerce.YC W19New York CityStartup →AI1910Multimodal AI Platform for Modality Agnostic Drug Discovery™YC W19BostonStartup →AIAcquiredAccept.inc (formerly BoardRE)BoardRE is a new type of mortgage company that upgrades any offer…YC W19DenverStartup →AIAccioJobOffline-first tech skilling and placement for IndiaYC W19GurugramStartup →AIAI InsuranceAI Insurance is the platform that runs insurance companiesYC W19New York CityStartup →AIAllSome FulfillmentFulfillment platform to build Southeast Asia e-commerce operationsYC W19Kuala LumpurStartup →
Company
Allure SystemsA.I. to create stunning fashion images for eCommerce.team of 18acquiredAcquiredAI
1910Multimodal AI Platform for Modality Agnostic Drug Discovery™team of 20ActiveAI
Accept.inc (formerly BoardRE)BoardRE is a new type of mortgage company that upgrades any offer…team of 80acquiredAcquiredAI
AccioJobOffline-first tech skilling and placement for Indiateam of 120ActiveAI
AI InsuranceAI Insurance is the platform that runs insurance companiesteam of 16ActiveAI
AllSome FulfillmentFulfillment platform to build Southeast Asia e-commerce operationsteam of 18ActiveAI

About Postscript

Agentic retention marketing across SMS, RCS, Email, and more. We maximize the LTV of every shopper. Top customers include Ruggable, Dr. Squatch, Thrive Cosmetics, and 20,000 more. Postscript generates more than $2B/yr in e-commerce revenue for our merchants, growing ~2x per year. Our goal is to generate $1T+ per year in e-commerce revenue. Interesting challenges: - Massive Scale - Real-time conversations across 200M phones

YC batch
W19 · Winter 2019
Status, per YC
Active
Category
AI
Team size
180
Location
Remote
Checked
6h ago

YC tags: SaaS, E-commerce

Changes seen

One-linerNov 5, 2026

Rewrote its one-liner; it read "The SMS revenue platform for e-commerce merchants"

Source ↗
CategoryNov 5, 2026

Category changed from other to ai.

Source ↗

Postscript in W19: 194 companies, 27% AI

Postscript: questions

Which YC batch was Postscript in?

Postscript was in Y Combinator's Winter 2019 batch (W19).

Is Postscript still active?

Y Combinator lists Postscript as active.

Where is Postscript based?

Postscript lists Remote as its location on YC's directory.