Accelerate your research with high-quality data

Join fellow researchers at NYU and get high-quality human data for your next project. Instantly connect with our global pool of 200K+ active participants. It’s fast and free to set up an account.
Trusted by researchers at

How are participants vetted?

Our automated algorithm, called Protocol, incorporates 35+ different checks to detect and remove bad actors, bots, and noticeably low quality participants.

Easily work with your lab

Workspaces allow you to collaborate with your colleagues on shared projects

Set rules with your own filter sets

Create and save specific sets of participant filters that reflect the needs of your organization or project. Then easily apply them again and again to new studies.
Filtering and representative samples

Tap into the participants you need

Create and save specific sets of participant filters, choose from Prolific's preset representative samples, or, invite your own participants to your study.

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HIGH RETENTION RATES

Longitudinal studies on Prolific

Prolific offers 1:1 messaging with participants, and the option to invite them back to future studies. Enjoy high retention rates on your longitudinal studies with Prolific

View participant demographics
DATA COLLECTION

Get data in hours, not weeks

Engaged and motivated participants means fast, accurate responses – think hours, not weeks. You have full control and can accept/reject responses if they fail to meet an acceptable standard.

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OPEN API AND INTEGRATIONS

Integrate with tools like Qualtrics

Whatever tool you prefer to use to run your study, simple take the URL and paste it into Prolific. Or, use our open API to connect your custom-built or third-party tool. 

See our API documentation

Trusted by leading researchers in psychology, business, and AI

I'd recommend Prolific to anyone looking to quickly gather high-quality data, especially if they need to recruit specific kinds of participants.

Alexander Robertson, Researcher, Google

I am truly astounded at the quality of the data. This has been my best experience with crowdworkers across projects I’ve been involved with and has exceeded all expectations so far. The levels of effort, attention to detail, and contribution are fantastic. It’s amazing to see the quality of the crowd Prolific has built up.

Hannah Kirk, DPhil student, Oxford Internet Institute

Other companies quoted up to 1 month to receive results. Prolific’s data collection was completed in 1 hour.

Gadi Mikles, CPO at BioEye

Now offering 1:1 contracts with labs and universities

Want to work with Prolific at scale? Get in touch today to speak to our team about contracting for your university, lab, or college. 

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Drive your research forward

It’s fast and free to set up an account. Explore our active participants and view
our transparent, response-based costs before committing to anything.