Reply in a conversation

A caller-chosen key; the same key for your organization sends at most once.

When the phone reported it had this outgoing message. Absent for a received message, and for one the phone never got.

The API key that sent this message. Absent for a message a signed-in user sent, a received message, and one sent before senders were recorded.

The message text: every text part, in order, joined with a newline. Empty for a message with no text.

How the message travelled: sms (plain text), mms (multimedia, including group texts and some long texts), or rcs. More channels may be added; treat a value you don't know as a channel you don't handle.

The conversation this message is in: GET /conversations/{conversation_id} reads it, and its messages are at GET /conversations/{conversation_id}/messages.

When the platform stored the message. Lists sort and filter on this time.

When the message was deleted. Present only on a deleted message, which GET /messages/{message_id} still returns with no body or parts; lists and conversations leave it out.

When a message this phone sent was delivered. Absent until then, and for a received message.

inbound for a message the phone received, outbound for one it sent.

Why an outbound message failed or is unconfirmed, in words. Empty otherwise.

Why an outbound message failed or is unconfirmed, as a code to branch on: phone_unreachable (the phone never got it before its deadline; it did not go out), no_result (unconfirmed: the phone had it but has not reported), policy_off (the phone's sending switch is off), expired (its deadline passed before the phone could send it), no_subscription (no SIM line), no_service (no mobile service or data), radio_off, carrier_rejected, phone_rate_limited (Android's outgoing-message limit on the phone), media_fetch_failed (the phone could not download the attachment), connection_lost (the phone lost its connection before sending; it did not go out), queue_full (the phone was too busy), or send_failed (any other failure; error has the detail). Empty when error is. Absent on a failure reported by older phone software.

When a message this phone sent failed. Absent unless its status is failed.

Sender: an E.164 number, a short code, or an alphanumeric sender id. Null only when the sender is this phone's own SIM and the phone does not know its number.

Message identifier.

True for a group message (more than one recipient).

The phone that received or sent the message.

When this phone received the message, by the phone's clock, to the millisecond. Null for a message the phone sent.

When the message was sent. For a received message, the sending network's clock (SMS carries whole seconds); for a message this phone sent, when the platform learned the network accepted it. Null for a message not sent yet.

The delivery state of a message this phone sent: queued (accepted and issued to the phone), sent (the network accepted it), delivered (the recipient acknowledged it), failed, or unconfirmed (the phone had it but has not reported whether it went out; do not resend automatically, it may still turn sent or failed). Empty for a received message. More statuses may be added; treat one you don't know as still in progress.

True when the text was longer than 5000 characters and was cut to that length.

The signed-in user who sent this message, from the dashboard or the CLI. Absent for a message sent with an API key, a received message, and one sent before senders were recorded.