AhaSend is a transactional email service for developers and product teams. Emails are sent through an HTTP API or an SMTP relay. The service includes a CLI, sandbox modes for testing, idempotency keys, scoped API keys with IP allow lists, raw delivery logs with bounce reasons, open and click tracking, sub-accounts, S3-compatible archiving, DNS whitelabeling, dedicated IPs, IP pools and bring-your-own-IP. It is delivered as a hosted SaaS and describes itself as 100% European.
AhaSend B.V. is headquartered in Amsterdam, the Netherlands, and no foreign parent company is stated. According to its privacy notice, the primary hosting is with Hetzner in Germany and Finland, plus a provider in Bulgaria; US processing by Hetzner applies only if optional services are chosen. Cloudflare, Stripe and PostHog, all in the US, are used for the website, payments and analytics. AhaSend offers a data processing agreement and states that ISO 27001 certification is in progress. The service is not open source.