Disclosed are various embodiments for browser-based payment for content. A request for content is obtained from a client. It is determined whether a payment is sought for the content. It is determined whether a payment-signifying token is presented in a request protocol header of the request. A response protocol header indicating that the payment is sought is returned to the client in response to the request when the payment is sought for the content and the payment-signifying token is not presented in the request protocol header. The content is returned to the client in response to the request when the payment is sought for the content and the payment-signifying token is presented in the request protocol header.