Sendinel

Sendinel provides email operations through REST and MCP, including contact management, event tracking, campaigns, and transactional email.

API

What your agent can do

Create or update a contact; setting site_id can subscribe the contact and trigger signup campaigns.
Via API.

Tasks depend on the interface and permissions.

Choose a route that fits your agent.

For custom integrations

an API key

API connection

API path

https://sendinel.ai/api/v1/identify

Authentication: Authorization: Bearer snk_your_api_key
Permissions: write
Pricing: Free tier · Free · 250 subscribers and 500 emails per month; free MCP access is read-only.

POST https://sendinel.ai/api/v1/identify