SendMessengerMessageInput

fromstringrequired

Application channel UUID, Facebook Page username with an optional leading @, Page ID, or configured account ID for this Application's Messenger channel, or its sandbox keyword or sandbox application-channel UUID.

tostringrequired

Recipient page-scoped user ID (PSID) received in an inbound Messenger webhook.

content objectrequired

WhatsApp-shaped content mapped to Messenger. location becomes text with a Maps link; contact/contacts become text, not native cards. Media captions are discarded; send caption text separately.

oneOf

• MsgVariantText
• MsgVariantImage
• MsgVariantVideo
• MsgVariantAudio
• MsgVariantDocument
• MsgVariantInteractive
• MsgVariantMarkSeen
• MsgVariantIsTyping
• MsgVariantReaction
• MsgVariantLocation
• MsgVariantContact
• MsgVariantContacts

textstringrequired

context object

messageIdstringrequired

SendMessengerMessageInput

{
  "from": "string",
  "to": "string",
  "content": {
    "text": "string",
    "context": {
      "messageId": "string"
    }
  }
}