Evolution API FAQs

Question 1

What is Evolution API?

Accepted Answer

Evolution API is an API server designed to facilitate advanced WhatsApp messaging and comprehensive instance management. It allows developers to integrate WhatsApp functionalities into their applications and systems.

Question 2

How do I send a WhatsApp message using Evolution API?

Accepted Answer

To send a message, you use the `/api/send/text` endpoint with a POST request. You need to specify the instance name, recipient number, and the message text in the request body, along with your API key for authentication.

Question 3

What key features does Evolution API offer?

Accepted Answer

Evolution API enables you to send text messages via WhatsApp, manage and monitor your Evolution API instances, verify if phone numbers are registered on WhatsApp, and retrieve WhatsApp contacts, groups, and chat lists programmatically.

Question 4

Is communication with Evolution API secure?

Accepted Answer

Yes, all API endpoints are secured with API key authentication. You must provide a valid API key in the 'X-API-Key' header for authorized access to the server's functionalities.

Question 5

What should I do if a message doesn't reach WhatsApp?

Accepted Answer

First, verify that your instance is connected and has an 'open' or 'connected' status. Ensure the recipient number is in the correct format (e.g., country code + area code + number, without spaces or symbols) and check if the number has an active WhatsApp account using the `/api/check-numbers` endpoint.

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