Postmark vs Inngest

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Postmark compared with Inngest
Detail	Postmark	Inngest
What it does	Fast, Reliable Email Delivery Service	Durable Execution for Workflows & AI
Stage	Established	Not given
Founded	2010	Not given
Based in	Not given	Not given
Pricing model	freemium	Not given
Pricing	Free plan with 100 emails/month. Paid plans starting at $15/month for 10,000 emails, with additional tiers at $16.50/month and $18/month. Extra emails charged at $1.80-$1.20 per 1,000 depending on plan.	Not given
Key features	Email API SMTP Service Message Streams Email Templates Inbound Email processing Analytics & webhooks Email open and link tracking Bulk API	Automatic retries and recovery Step-based function execution Flow control and concurrency management Observability and tracing A/B testing and sandboxes Scheduled and cron jobs Multi-step workflow orchestration Webhook handling and event-driven functions End-to-end encryption Agent evaluation and scoring
What makes it different	Industry-leading delivery speed, up to 4x faster than other providers Stellar deliverability without requiring dedicated IP Knowledgeable customer support included with all plans	Zero infrastructure setup required Built-in observability without custom instrumentation Native A/B testing and sandboxing for AI agents
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	85 no change since last check	74 no change since last check
Trust Flow (Majestic)	44	29
Citation Flow (Majestic)	54	46
Referring domains (Majestic)	8026	4525

3 details filled in for both companies.

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