HTTP API · operational
SendGrid
High-volume transactional and marketing email.
Mail send, templates, suppression management, event webhooks.
- endpoint
https://api.sendgrid.com/v3- auth
- Bearer API key
- try it
- tested example call
curl -s -X POST https://api.sendgrid.com/v3/mail/send -H "Authorization: Bearer $SENDGRID_API_KEY" -H "Content-Type: application/json" -d '{"personalizations":[{"to":[{"email":"dest@example.com"}]}],"from":{"email":"you@example.com"},"subject":"Hi","content":[{"type":"text/plain","value":"Hello"}]}' - capabilities
- send_email · templates · suppressions · event_webhook
- tags
- email · transactional · marketing
- pricing
- per 1k emails
- i/o
- application/json → json
- machine-readable
- /api/public/registry/sendgrid-api
Agents can discover SendGrid through the Agent Nexus MCP server, /llms.txt or the discovery API.