Invitations - FAQ

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Trustpilot offers a range of invitation methods to help invite your customers to leave reviews. Here's a list of commonly asked questions about them.

What's the connection between verified reviews and invitations?

Reviews that are not solicited are "organic" reviews. This means that after having an experience with your business, a customer visits Trustpilot to write a review on their own initiative. On the other hand, "verified" reviews are collected by a business via any of our automated invitation methods.

I am setting up manual invitations, and am having trouble uploading a CSV file. What could be the problem?

Uploading a CSV file can be tricky. We’ve created some pointers on how to format your file for both service reviews and product reviews.

I want to send review invitations with my eCommerce platform. Why isn’t mine listed?

We’re always working on building new integrations for our platform. If yours isn’t listed, don’t worry. There’s a chance that your platform will have an available integration soon. In the meantime, our Automatic Feedback Service (AFS) can help you automate your invitation process.

What's the difference between Business Generated Links and Unique Links?

The main difference between Business Generated Links and Unique Links is the level of data protection for your customers’ data. Business Generated Links protect customer personal data using advanced 256-bit AES encryption, which is more advanced than the technology Unique Links use.

How do I localize a Business Generated Link for a specific country?

To localize the link, remove the "www." and replace it with the appropriate country code. For example: or

What format can I use to encode Unique Links?

The formats are BASE64, SHA1,or encodeURI. You need to have a programming language that supports these formats, or use compatible third party implementations. The braces {} and parentheses () indicate that the information contained within must be hashed/encoded.

I am encoding Unique Links and having issues with the parameter &e= (SHA1 hash). What should I do?

SHA1 only takes a single parameter which is the concatenated string of the 3 required values. Please ensure they are in the exact outlined order. The most commonly reported issue with the Unique Link is that the hash is incorrect. To illustrate exactly how the hash should be made and what it should look like, we’ve made a testing tool for this below.