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Kapso API

Send WhatsApp messages, templates, flows, media, contacts, broadcasts, and inbox records through Kapso. Choose a resource, then follow each operation setup hints.

Message → Send or Remove Reaction

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Summary

Send or remove an emoji reaction to a specific WhatsApp message using a connected Kapso WhatsApp number.

Inputs

  • Phone Number Name or ID — Choose the connected Kapso WhatsApp number to send the reaction from, either by selecting from a loaded list or specifying its ID via expression.
  • Recipient Phone (required) — Provide the recipient's phone number in Meta format (8 to 15 digits, no plus or spaces) to whom the reaction will be sent.
  • React To Message ID (required) — Specify the WAMID of the message to react to. For inbound reactions, use the message.reaction.message_id value from the Kapso Trigger payload.
  • Reaction Action (required) — Choose whether to add/change the emoji reaction on the message or to remove your business reaction from the message.
  • Emoji (required) — If adding or changing a reaction, specify a single emoji (1-8 characters) to send. Text and letters are not accepted as valid reactions.

Output shape

a single record containing the API response to the reaction send or remove request

The operation requires all mandatory inputs to execute. It sends a message reaction or removes it and returns the API response object. No pagination or list outputs are involved.

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