Auto-post Reels, Stories & Carousels across multiple Instagram accounts

Many creators, small brands and agencies that manage multiple Instagram presences struggle with the manual, time-consuming process of producing and publishing native Reels, Stories and Carousels for 2–20 accounts at once, leading to duplicated effort, inconsistent posting cadence and lost monetization opportunities across an estimated 200 million business/creator accounts. This problem is exacerbated by the need to adapt assets to native formats and platform rules for maximum reach, which increases production friction and reduces post velocity for teams with limited resources. You could build a SaaS workflow that natively schedules and publishes Reels, Stories and Carousels across multiple Instagram accounts, combining bulk upload, per-account customization, approval workflows and campaign analytics with AI-powered repurposing (auto-clip, aspect conversion, caption and hashtag generation) to reduce creative overhead. The product would need robust video transcoding, queuing and retry logic built on the Instagram Graph API, clear compliance tooling for platform-native requirements, and agency-focused features such as white-label reporting and per-client billing. This is an attractive moment: a $10.0B addressable market (200M accounts × $50 ARPU/year) with a Market Score of 88/100 and Revenue Potential 82/100 driven by creator-economy growth, advances in AI video/captioning and Instagram’s push for native content. Competition is medium, so the strongest go-to-market path is to prioritize reliability and native compliance, lean on AI automation to meaningfully cut production time, and initially verticalize into a focused segment (e.g., agencies or local multi-location brands). The main challenges are platform API limits, evolving policy risk and the engineering cost of scalable video processing, so pursue a narrow, defensible niche first and validate willingness to pay before expanding.