Guide to CF7 API authentication: Basic Auth, API Key, or Bearer Token
When configuring a Contact Form 7 form to send data to an external API, users must choose between Basic Auth, API Key, and Bearer Token methods. The correct choice depends entirely on what the target API requires, as using the wrong method is a common cause of errors. Basic Auth, which encodes a username and password, is suitable for legacy systems or testing but is not secure for sensitive data. API Keys are static tokens for simple integrations, while Bearer Tokens are typically used for modern, secure API access.
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