Skip to main content

Base URL

The One Click Apply API is built on REST principles. We enforce HTTPS in every request to improve data security, integrity, and privacy. The API does not support HTTP. All requests contain the following base URL:
https://api.oneclickapply.co/

Authorization

To authenticate with the One Click Apply API, you need to add an API-Key header to your request. For example, if your API key is oca_1jmGxFzT2RJBUY9wOOEC3Sg, your header would look like this:
API-Key: oca_1jmGxFzT2RJBUY9wOOEC3Sg

Response Codes

One Click Apply uses standard HTTP codes to indicate the success or failure of your requests. In general, 2xx HTTP codes correspond to success, 4xx codes are for user-related failures, and 5xx codes are for infrastructure issues.
StatusDescription
200Successful request.
403API key does not exist.
429Out of API credits.
400Check that parameters are correct.
5xxInternal server error.