Developer hub for the Sendinel email + social operations platform. Quickstart, REST API reference, Agent Connect, MCP setup, webhooks, and AI client configs.
Connect apps, AI agents, and automation systems to Sendinel in minutes. Agent Connect gives Claude, Synchronex workers, Cursor, or another MCP client scoped, auditable access to your email operations. Sendinel is an email operations control plane. Go to Dashboard → Settings → Developer and create a new key. Keys are hashed (SHA-256) before storage. Sendinel exposes canonical references for humans, SDK generators, and AI agents.
Pricing & access
Sendinel is open source - free to self-host, often with a paid cloud option. Check sendinel.ai for current plans.
Frequently asked questions
What is Sendinel?
Sendinel is sendinel Developer Hub. Developer hub for the Sendinel email + social operations platform. Quickstart, REST API reference, Agent Connect, MCP setup, webhooks, and AI client configs.
Is Sendinel free?
Sendinel is open source - free to self-host, often with a paid cloud option.
What are the best Sendinel alternatives?
People comparing Sendinel also look at E-Warmup, 100% Free Email Verifier by Craften, 1Template, 3mintop. See all options in the Email Marketing category on SiftFox.
Work on Sendinel?
Claim this profile for free - instant with a work email at sendinel.ai.
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