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Comparison

supapost vs Postwise

Postwise is built around one promise: grow your X following. AI hooks, scheduled posts, follower analytics, all wrapped in a slick UI. If X is the only place you publish, that's a tight package. supapost is the API counterpart: generate posts and smart replies for X plus LinkedIn, Instagram, and Facebook, and run it from code instead of a dashboard.

FeaturesupapostPostwise
REST API access

supapost is API-first. Postwise is a UI tool with no public content API.

Multi-platform support

supapost covers X, LinkedIn, Instagram, Facebook. Postwise focuses on X.

Smart reply generation

Both generate replies. supapost exposes it via API and supports multiple platforms; Postwise is UI-only and X-focused.

Brand voice from URL

Enter your URL, supapost configures brand voice automatically. Postwise mainly mimics your existing X style.

AI thread / hook generator

Both can generate hooks and threads. supapost returns structured JSON suited for automation.

Multi-workspace for agencies

supapost: up to 10 workspaces with isolated API keys on the Agency plan. Postwise is single-account.

Blog & newsletter generation

supapost generates blogs and newsletters. Postwise is social-only.

Content repurposing

Dedicated /repurpose endpoint transforms blogs into posts, threads, or newsletters.

Direct X scheduling

Postwise publishes directly to X. supapost generates content; pair it with a scheduler or your own stack.

Growth analytics

Postwise tracks follower and engagement growth. supapost focuses on generation, not platform analytics.

Free tier

supapost free: 10 posts/mo + API (50 req/day). Postwise has a 7-day trial; no permanent free plan.

Image generation

DALL-E 3 image generation via API on Pro and Agency plans.

The key difference: multi-platform API vs X-focused UI

Choose supapost if you

  • Want a content generation API for posts and replies
  • Publish to more than X (LinkedIn, Instagram, Facebook)
  • Manage multiple client brands with isolated API keys
  • Also generate blogs and newsletters
  • Want a permanent free plan with API access

Choose Postwise if you

  • Focus exclusively on growing on X
  • Want built-in X scheduling inside the same tool
  • Need growth analytics and follower tracking
  • Prefer an all-in-one UI workflow
  • Don't need API access or automation

Try supapost free

API access on every plan. No credit card. Set up in 60 seconds.

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