When integratiing Stripe payments into your application for processing payments and managing transactions you will need to use their API. And having valid API keys is a fundamental requirement for interacting with Stripe's API. which is essential for processing payments and managing transactions. However, the process of verifying the validity of these API keys can present challenges, particularly if you wish to avoid making direct calls to the API. It is a common scenario, often arising from the need to maintain security and minimize unnecessary requests. It's also important to avoid rate limits and potential issues with token consumption.

These Golang functions, listed below, can help you aiding users to determine whether the API key they have input conforms to Stripe's specific API key format. By using the functions, you can enhance the user experience by providing instant feedback and guidance to users as they enter their API keys. This proactive approach streamlines the key entry process and also minimizes the potential for errors, making the integration of Stripe payments more user-friendly and efficient.

Validate Live Stripe API Key

func ValidateLiveStripeKey(stripeKey string) error {
	if stripeKey == "" {
		return errors.New("key cannot be empty")
	}

	hasLivePrefix := strings.HasPrefix(stripeKey, "sk_live_") || strings.HasPrefix(stripeKey, "pk_live_")

	if !hasLivePrefix {
		return errors.New("invalid stripe live api key")
	}

	return nil
}

Validate Test Stripe API Key

func ValidateTestStripeKey(stripeKey string) error {
	if stripeKey == "" {
		return errors.New("key cannot be empty")
	}

	hasTestPrefix := strings.HasPrefix(stripeKey, "sk_test_") || strings.HasPrefix(stripeKey, "pk_test_")

	if !hasTestPrefix {
		return errors.New("invalid stripe test api key")
	}

	return nil
}

Validate Stripe API Key

If you're seeking a comprehensive method to perform a general validation check for a both the publishable and the secret Stripe API keys, this function offers an ideal solution. It combines the features of the two previously mentioned functions, providing a versatile and robust method for evaluating the validity of Stripe API keys.

func ValidateStripeKey(stripeKey string) error {
	if stripeKey == "" {
		return errors.New("key cannot be empty")
	}

	hasLivePrefix := strings.HasPrefix(stripeKey, "sk_live_") || strings.HasPrefix(stripeKey, "pk_live_")
	hasTestPrefix := strings.HasPrefix(stripeKey, "sk_test_") || strings.HasPrefix(stripeKey, "pk_test_")

	if !hasLivePrefix && !hasTestPrefix {
		return errors.New("invalid stripe api key")
	}

	return nil
}