Postscript, which helps Shopify merchants reach their customers via SMS, raised a $65M Series C led by 01 Advisors and says it now works with 8K+ Shopify brands
Context & Ripple Effects
Postscript's raise extends a funding arc that began with its $35M Series B led by Greylock in March 2021; eighteen months later it has nearly doubled its round size under new lead 01 Advisors while claiming 8K+ Shopify brands on the platform.
It sits inside a broader wave of capital into Shopify-ecosystem tooling: Tapcart's $50M Series B for merchant mobile apps and Snapcommerce's CAD $107M round for conversational customer service show investors treating every merchant touchpoint — app, chat, SMS — as a standalone venture-scale market.
First-order effects
- Postscript gains fresh capital and a new lead investor (01 Advisors replacing Greylock at the top of the cap table) to push beyond its 8K+ brand base deeper into Shopify's merchant roster.
Second-order effects
- Competing conversational-commerce players like Snapcommerce face a rival consolidating the outbound-SMS marketing lane specifically, pressuring them to differentiate on service-side messaging rather than campaigns.
- Other Shopify app developers see validation that single-channel tools can reach Series C scale, likely drawing more entrants into merchant-messaging niches and raising acquisition prices for smaller SMS startups.
Third-order effects
- If the pattern holds, the Shopify app economy stratifies into category leaders per merchant function — apps, messaging, fulfilment — mirroring how Shopify itself built out operations with moves like the 6 River Systems acquisition, and making the platform's API surface the distribution chokepoint these vendors compete over.
The trend: Venture capital is funding a specialized vendor layer around Shopify, where each merchant communication channel becomes a standalone, category-leader-takes-most market.