opendorse’s new athlete analytics marketplace has data on more than 8,000 pro athletes, whether they’re on opensdorse’s platform or not. The feature launched Tuesday.

Ever wonder what LeBron James‘ Twitter reach is like? Or maybe curious how often he curses in tweets, what his writing style is like or whether his follower engagement is more positive or negative?

And if you want LeBron James to tweet about your product to his 13.3 million followers? Well, that’ll cost you about $100,000, based on Lincoln-based opendorse‘s analysis of worth.

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That’s an extreme example of the startup’s new Twitter data on more than 8,000 pro athletes. They released the update Tuesday with athletes ranging from NBA, NFL and MLB stars all the way down to athletes participating in rodeo, curling and synchronized swimming.

To date the athlete micro-endorsement marketplace has only displayed data on the 500-plus athletes that have signed up on its platform, but now they’re showing the value of all athletes, regardless if they’ve joined the marketplace. Marketers can even try to broker an endorsement deal if they’re not on the platform.

Co-founder and CEO Blake Lawrence said he hopes the update opens new athletes up to the platform. 

“I think it’s going to be hard to turn down for a lot of athletes,” Lawrence said. “I can’t imagine them getting a phone call saying, ‘Hey, we’ve got this $5,000 check waiting for you if you want to tweet about this thing once.’”

It’s still a Wild West for micro-endorsements in the social media world and opendorse hopes to capture athlete, agent and marketers attention with the feature. Although they’ve been collecting data on athletes since opendorse began in 2013, the startup’s development team started building the new feature about three months ago.

Among the things you can expect to see on an athlete’s page: the amount of fake followers, important to marketers as to gauge the actual reach of a tweet; which states the athlete has influence in, important for hyper-local marketing; and sentiment, which is how a follower responds to tweets from an athlete.

Opendorse also has a gauge on how often an athlete curses, which if they do copiously may cause a brand to shy away from them. The platform also has a “voice style” section to help brands craft a tweet that fits in with the athlete’s typical voice. 

And then there’s the cost of a tweet per thousand followers or the cost per engagement:

      The new platform requires a paid subscription to browse in-depth analytics, a departure from opendorse transaction fee model.

A free subscription is available, offering basic analytics on all athletes. Paid subscriptions begin at $29 a month (in-depth analytics on 4,000-plus “1-star” athletes and ability to create deals with athletes) and range through $199 a month (in-depth analytics on 6,500 “1- and 2-star” athletes). Each package comes with a scaling credit toward your first endorsement deal with an athlete.  

Danielle Eby, brand lead for opendorse, said most marketers are willing to pay for the service.

“There are other research platforms out there, but you can’t activate them right there,” she said. “Plus we have athletes in every single market whether you’re a local mom and pop, regional or national brand.

“It’s a lot of athletes.”

Credits: Images from opendorse.