toolgrep / Email & messaging / Buttondown
Alternatives to Buttondown
Buttondown: Newsletter software for writers, creators, and developers. 8 products similar to Buttondown, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 6 of 8 offer an MCP server.
- Anypost
Transactional and broadcast email service
- SuprSend
Notification infrastructure for email, SMS, Slack, push, and in-app notifications via a single API.
- Knock
Customer engagement infrastructure for product, marketing, and transactional messaging
- Unitpost
Email and SMS sending platform for developers, with API, SDKs, SMTP, and an MCP server for AI agents.
- Pingram
Messaging APIs for emails, SMS, voice, and WhatsApp
- URLpipe
Web data API for Markdown, screenshots & metadata
- finlight
Real-time financial news API with sentiment analysis, WebSocket streaming, and an advanced query builder
- Scaledrone
Realtime messaging service for adding live updates, chat, and collaboration to apps
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Buttondown | Freemium | yes | yes | no | yes | no |
| Anypost | Freemium · from $0 (Free: 3,000 emails/month); paid plans from $20/mo | yes | yes | no | yes | no |
| SuprSend | Freemium | yes | yes | yes | yes | no |
| Knock | Freemium · from $0 | yes | yes | yes | yes | no |
| Unitpost | Freemium · from $0/mo (Free, 5k emails/mo); paid plans from $10/mo | yes | yes | yes | yes | no |
| Pingram | Freemium · from $20/month | yes | yes | yes | yes | no |
| URLpipe | Freemium | yes | yes | yes | yes | no |
| finlight | Freemium | yes | yes | yes | yes | no |
| Scaledrone | Freemium | yes | yes | no | yes | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/buttondown/alternatives