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Documentation Index

Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Using TypeScript? Check out our GraphQL SDK for a fully typed client.
We provide various methods to message your customers with the Plain API. You can use this to reach out proactively, build an autoresponder or even to handle things like waiting list access.

Send emails

Send a new email in a thread ignoring previous communications.

Reply to emails

Use this to reply to an existing inbound email in a thread.

Reply to thread

Reply to a thread automatically using the best channel.