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POST
/
api
/
sendImage
Send an image
curl --request POST \
  --url https://{host}/api/sendImage \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "session": "session",
  "chatId": "5511999999999@c.us",
  "url": "https://example.com/image.jpg",
  "caption": "Image caption"
}
'
{
  "success": true,
  "messageId": "3EB0XXXXXX"
}

​
Description

This endpoint allows you to send images to individual contacts or groups on WhatsApp. The image must be sent in base64 format. Optionally, you can add a caption to the image.

​
Body

{
  "sessionId": "my-session",
  "jid": "5511999999999@s.whatsapp.net",
  "image": {
    "content": "iVBORw0KGgoAAAANSUhEUgAAAA...",
    "mimetype": "image/png",
    "filename": "my_image.png"
  },
  "caption": "Image caption"
}

​
Body Parameters

PropertyTypeRequiredDescription
sessionIdstring✅ YesAuthenticated session ID that will send the image
jidstring✅ YesRecipient identifier (WhatsApp JID). Format: 5511999999999@s.whatsapp.net for contacts or 120363XXXXX@g.us for groups
imageobject✅ YesObject containing the image data
image.contentstring✅ YesImage content encoded in base64
image.mimetypestring❌ NoImage MIME type (e.g., image/png, image/jpeg). If not specified, will be detected automatically
image.filenamestring❌ NoImage file name
captionstring❌ NoCaption/text accompanying the image
{
  "success": true,
  "messageId": "3EB0XXXXXX"
}

​
Status Codes

  • 200 - Image sent successfully
  • 400 - Invalid parameters or image corrupted
  • 401 - Unauthorized session
  • 404 - Session not found
  • 413 - Image too large

​
Usage Example

curl -X POST https://api.wappfy.com.br/api/sendImage \
  -H "Content-Type: application/json" \
  -d '{
    "sessionId": "my-session",
    "jid": "5511999999999@s.whatsapp.net",
    "image": {
      "content": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==",
      "mimetype": "image/png",
      "filename": "image.png"
    },
    "caption": "Check out this image!"
  }'

Authorizations

​
apikey
string
header
required

Your Wappfy API key (get it at dash.wappfy.com.br)

Body

application/json
​
chatId
string
required

Chat ID (WhatsApp JID)

Example:

"5511999999999@c.us"

​
file
object
required

Image file (remote URL or base64 data)

​
session
string
required

Session name (instanceName)

Example:

"my-session"

​
reply_to
string

Message ID you want to reply to

Example:

null

​
caption
string

Caption/text that accompanies the image

Response

201 - application/json

The response is of type object.