Email event streams

curl --request POST \
  --url https://api.signal.apollodeploy.com/v1/emails/proj_01.../stream/token \
  --header "Authorization: Bearer $APOLLO_SIGNAL_API_KEY"

{
  "token": "qR8l5...mN2",
  "expiresAt": "2026-08-25T10:01:00Z"
}

const tokenResponse = await fetch(
  "https://api.signal.apollodeploy.com/v1/emails/proj_01.../stream/token",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.APOLLO_SIGNAL_API_KEY}`,
    },
  },
);

const { token } = await tokenResponse.json();
const stream = new EventSource(
  `https://api.signal.apollodeploy.com/v1/emails/stream?token=${encodeURIComponent(token)}`,
);

stream.onmessage = ({ data }) => {
  const event = JSON.parse(data);
  console.log(event.type, event.emailId, event.occurredAt);
};

{
  "type": "delivered",
  "emailId": "email_01...",
  "occurredAt": "2026-08-25T10:00:00Z",
  "data": {}
}