Prompt

Do transactional email services have free tiers?

Technology / Api platforms1 observationLast seen Sep 23, 2026

Latest observation

Sep 23, 2026OpenAI APIWeb search: off

Yes — many transactional email services offer free tiers, usually with monthly sending limits and sometimes feature restrictions.

Common examples:

  • SendGrid: free tier available, typically with a daily send limit
  • Mailgun: often a free trial or limited free usage, depending on current plan structure
  • Brevo (Sendinblue): free tier with a daily sending cap
  • Postmark: usually no permanent free tier, but may offer trial credits
  • Amazon SES: not really a free tier in the usual sense, but very low cost and can be effectively free for some AWS users under the free tier conditions

Typical free-tier limits:

  • a few hundred to a few thousand emails per month
  • limited API access/features
  • branding or verification requirements
  • reduced support

If you want, I can also compare the free tiers of the main providers and recommend the best one depending on your volume and use 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.

How can brands improve their AEO?

Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.

Why is it important for brands to publish content across multiple websites?

Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.

Want this interpreted for your brand?

Explorer is the free public corpus. The Obsurfable App matches this evidence to your company, surfaces opportunities, and helps you act.