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PostAgent® vs Whimso

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PostAgent® compared with Whimso
Detail PostAgent® Whimso
What it doesSocial media scheduling built for AI agents Etsy to Pinterest automation that designs and posts pins from your listings
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Freemium
PricingPro plan: $29 when charged monthly. Yearly option available at 50% discount. Includes access to all features, up to 10 connected accounts, all platforms with multiple accounts each, unlimited scheduled posts, full API and MCP access, and automatic retries. Free trial: 7 days of Pro features, up to 2 pins per day, no card required. Standard: $5.99/month for 1 Etsy shop. Pro: $9.99/month for up to 3 Etsy shops. Small shop offer: $2.99/month for first 6 months, then $5.99/month (for shops with 50 or fewer listings).
Key features
  • Single API call to schedule posts across X, LinkedIn, Facebook, Instagram, YouTube and TikTok
  • Per-platform caption overrides
  • Connect multiple accounts per platform
  • Unified calendar with per-platform status
  • Idempotency keys prevent duplicate posts
  • Automatic retries with backoff
  • OpenAPI spec and llms.txt for agent integration
  • Simulated mode for testing before connecting accounts
  • Manual composer and programmatic API posting
  • MCP access for advanced integrations
  • 50+ designed pin templates with automatic color matching
  • Autopilot or Review first posting modes
  • Automatic new listing detection within one hour
  • Customizable posting frequency and hours
  • Catalog rotation every 30 days
  • Smart board selection on Pro plan
  • Pin titles and descriptions from listing words only
  • Support for up to 3 Etsy shops on Pro plan
What makes it different
  • Purpose-built API for AI agents with agent-ready documentation
  • One API call reaches all major social platforms simultaneously
  • Prevents duplicate posts with idempotency keys
  • Test entire workflow before connecting real accounts
  • Unified calendar with human-friendly interface
  • Only uses words from your own Etsy listing for pin text, never makes up claims
  • Official Etsy connection with read-only access protects your shop data
  • Automatic color-matching templates adapt to each product photo
  • Hands-off automation with no daily work required
  • No card required for 7-day free trial
Community votes00
DR (Domain Rating by Ahrefs)8 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)1716
Referring domains (Majestic)134

5 details filled in for both companies.

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