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This version has been depreciated

Existing integrations using this API will continue to work as usual. However, new integrations should be created using the V4 API. We will continue to support this API for the foreseeable future but will not be adding new features to it.

The NeverBounce API is a common RESTful API. All requests are performed via an HTTPS connection and responses are returned as JSON. This widely-accepted format allows for easy use with the most common programming languages and development kits while remaining portable, expandable, and secure.

Below you will find a description of the various endpoints, the parameters they accept, and the responses they send.

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Use in the browser

This version of the API is not suitable for use in client-side scripts (e.g. jQuery, Javascript). Using it on the client-side would require exposing sensitive API credentials; giving anyone access to your account.