MailStream
5.7#22 in direct mail automation softwareWebAPI
VisitMailStream vs PostPilot
What both publish
| Fact | MailStream | PostPilot |
|---|---|---|
| Integrations | The integrations page describes Planning Center as available and lists several others, including Shopify, Zapier, Make, and n8n, as coming soon. | The integration directory lists 14 integrations and highlights Shopify, Klaviyo, Attentive, Postscript, Yotpo, Orita, Swym, StayAI, Skio, Smile and Digioh. |
| Product | MailStream provides a self-serve platform, REST API, and MCP server for sending physical postcards and letters. | PostPilot provides a direct mail platform for ecommerce brands to acquire, retarget, and retain customers with postcard and catalog campaigns. |
MailStream plans
No prices published.
PostPilot plans
- FreeFree
- Growth$82.50 a month
- Growth Services$82.50 a month
- Pro Services$419 a month
- Pro$419 a month
- EnterprisePriced on request
Pick MailStream if…
MailStream suits developers, AI agents, agencies, SaaS teams, and business operators automating direct-mail campaigns. Its API, MCP server, personalization, and tracking options also fit teams that want to connect mail workflows to other tools.
Pick PostPilot if…
PostPilot suits ecommerce brands using direct mail to find prospects, re-engage site visitors, or support customer retention. Its listed Growth plan is aimed at brands doing $1m–$3m/year in sales.