How to build a WhatsApp agent (step-by-step)
Blog post from CodeWords
Building a WhatsApp agent in 2026 is streamlined and accessible, thanks to tools like CodeWords, which eliminate the need for coding or direct interaction with APIs. Users can create an agent by simply describing their requirements to Cody, an AI automation assistant, and within an hour, the agent can be live. The process involves detailing the agent's purpose, actions, and any necessary integrations, as well as writing a comprehensive system prompt that defines the agent’s personality and scope. Testing the agent involves addressing typical queries, handling edge cases gracefully, and ensuring proper escalation triggers. Iterative improvements based on real conversations are crucial for enhancing the agent's performance. CodeWords supports multiple AI models, allowing users to switch if performance issues persist. Ultimately, a well-crafted WhatsApp agent facilitates efficient customer communication, freeing up human resources for more complex tasks.
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