Twilio SendGrid v3 Mail API
Official spec by SendGrid (Twilio), mirrored by SendGrid
Mirrored981.0.0The Twilio SendGrid v3 Mail API allows you to send email at scale over HTTP. The Mail Send endpoint supports many levels of functionality, allowing you to send templates, set categories and custom arguments that can be used to analyze your send, and configure which tracking settings to include such as opens and clicks. You can also group mail sends into batches, allowing you to schedule and cancel sends by their batch IDs.
SendGrid (Twilio) has not changed this API since Jul 28, 2026. spec0 re-reads the official specification every week, and anything that moves shows up here.
See the full changelogEvery endpoint, parameter and schema this API declares, rendered from the specification itself.
Read the API reference- Official docs
- twilio.com
- Spec source
- raw.githubusercontent.com
- Licence
MIT- Updated