Prompt
Which email API has the best free tier?
Latest observation
“Best” depends on what you mean by free tier: highest monthly volume, easiest setup, best deliverability, or most generous long-term plan. For most people, these are the usual front-runners:
Commonly considered best free tiers
1. SendGrid
- Pros: Easy to start, widely used, good docs.
- Free tier: Typically around 100 emails/day.
- Best for: Small apps, prototypes, transactional email testing.
2. Brevo (formerly Sendinblue)
- Pros: Very usable free tier, includes marketing + transactional options.
- Free tier: Usually 300 emails/day.
- Best for: Small businesses or apps needing a bit more volume.
3. Mailjet
- Pros: Solid free plan, good for transactional email.
- Free tier: Often 200 emails/day.
- Best for: Developers who want straightforward API integration.
4. Resend
- Pros: Developer-friendly, modern API, great DX.
- Free tier: Commonly 3,000 emails/month (often with daily limits).
- Best for: Modern web apps, especially if you value a clean API.
5. Postmark
- Pros: Excellent deliverability and transactional focus.
- Free tier: Usually a trial credit rather than a generous ongoing free tier.
- Best for: When deliverability matters more than free usage.
Quick recommendation
- Best overall free tier for many small apps: Brevo
- Best developer experience: Resend
- Best if you want a simple, established option: SendGrid
If you tell me:
- transactional vs marketing,
- your expected emails/month, and
- whether you need SMTP or API,
I can recommend the best one for your case.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
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