# Sample - Twilio SendGrid Mail API > Sample - Twilio SendGrid Mail API API documentation ## V3 - [POST /v3/mail/batch](https://octri-wv7qjf54wrtt.octri.dev/post-v3-mail-batch): Create a batch ID. - [GET /v3/mail/batch/{batch_id}](https://octri-wv7qjf54wrtt.octri.dev/get-v3-mail-batch-batch_id): Validate a batch ID. - [POST /v3/mail/send](https://octri-wv7qjf54wrtt.octri.dev/post-v3-mail-send): Send an email with Twilio SendGrid ## Optional - [SDK Downloads](https://octri-wv7qjf54wrtt.octri.dev/sdk): Client SDKs in TypeScript, Python, Go, and 7 more languages - [Changelog](https://octri-wv7qjf54wrtt.octri.dev/changelog): API version history and breaking changes