Alternatives to Helo
Helo: Email API and SMTP relay for sending app emails, priced on usage, from an independent self-funded team. Here are 5 other products that do a similar job. Of these, 4 have a free plan.
- Pidgeon
Gives AI agents their own email addresses and inboxes through an API, hosted in the EU, for developers building agents.
Since 2026
Free plan · Transactional email · Developers
- Pingram
One API for sending and receiving email, SMS and voice calls, with US A2P 10DLC SMS registration handled for you.
Free plan · Transactional email · Developers
- SendRaven
Lets AI agents send, receive and reply to email in threads over an API or MCP, with usage limits and approvals.
Free plan · Transactional email · Developers
- Wraps
Sets up Amazon SES inside your own AWS account and adds a dashboard for sending, broadcasts, automations and bounce handling.
Since 2026
Free plan · Email marketing · Developers
- Sidemail
Sends app emails like password resets through an API or SMTP, plus product updates and automated sequences, for SaaS companies.
Since 2025
Free trial · Email marketing · Software companies