# Subscribe to MarketMai

Agents can submit an email address to the public MarketMai subscribe endpoint when acting on behalf of a user who has asked to subscribe.

## Endpoint

`POST https://marketmai.com/api/subscribe`

## Inputs

- `email`: Required email address.
- `next`: Optional redirect path.
- `source`: Optional attribution label.

## Output

The endpoint redirects to the requested `next` path with success or error state.