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React to messages with emoji, just like users can in the WhatsApp app. Reactions are a lightweight way to acknowledge messages without sending a full reply.

Adding a Reaction

React to a message with an emoji:
Add Reaction

Removing a Reaction

Remove a reaction by sending an empty emoji string:
Remove Reaction

Request Parameters

Supported Emoji

You can use any emoji supported by WhatsApp, including:
  • 👍 👎 ❤️ 😂 😮 😢 🙏
  • All standard Unicode emoji
  • Skin tone variants
Only one reaction per message is allowed. Sending a new reaction replaces any existing reaction from your number.

Response

Response

Receiving Reactions

When a user reacts to your message, you receive a webhook:
Reaction Webhook
Use reactions to quickly acknowledge customer messages, confirm actions, or add emotional context to conversations.

Use Cases

  • Acknowledge receipt: React with 👍 to show you’ve seen a message
  • Express emotions: React with ❤️ to positive feedback
  • Confirm understanding: React with ✅ when a task is complete
  • Show appreciation: React with 🙏 to thank customers