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Send email

Twilio SendGrid

Email delivery service with an HTTP API and SMTP relay that sends transactional and marketing email and reports delivery events.

At a glance

Provider
Twilio
Category
Send email
Type
Hosted API
Pricing model
Monthly plans by email volume, from $19.95 a month, with overage per extra email1
Free tier
100 emails a day for 60 days, no card1
Authentication
API key as a Bearer token; API key as SMTP password7
Connect via
REST API, SMTP relay, SDKs in 7 languages7
Read from the provider's pages
2026-11-04
Pricing
  • Pricing model: Monthly plans by email volume, with per-email overage
  • Free tier: Free trial: 100 emails a day for 60 days
  • Card required for free tier: No
Pricing in full →Tools
  • Official MCP server: No
  • Address or package: No official server found. The Twilio docs have no MCP page for SendGrid, and the sendgrid GitHub org lists no MCP repository
Tools in full →Authentication
  • Who creates the account: A person signs up; the docs do not describe agent self-sign-up
  • Where to get a key: Console: Settings > API Keys > Create API Key
  • Other requirements: Sender identity must be verified; accounts are limited to 100 API keys
Authentication in full →Setup
  • REST API: https://api.sendgrid.com (global); https://api.eu.sendgrid.com for regional EU subusers
  • MCP server: Not published
  • OpenAPI spec: https://github.com/twilio/sendgrid-oai (json/ and yaml/ directories)
Setup in full →Limits
  • Web API v3: Fixed number of requests per endpoint per refresh period; 429 when exceeded; limits are returned in X-RateLimit-* headers
  • Free trial sending: 100 emails a day for 60 days
Limits in full →Privacy
  • Data location: United States by default for Email Activity data; EU processing available through data residency
  • Retention: Email Activity history up to 30 days with the paid add-on; other retention follows Twilio policy
  • Used for training: Privacy notice lists AI/ML training on performance metrics; no statement about customer email content
Privacy in full →

Read from Twilio’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/send-email/sendgrid.md